Files
wazero/internal/wazeroir/compiler_test.go
Anuraag Agrawal 714368bcea Remove threads support (#1487)
Signed-off-by: Anuraag Agrawal <anuraaga@gmail.com>
2023-05-22 12:18:36 +10:00

3074 lines
103 KiB
Go

package wazeroir
import (
"fmt"
"math"
"testing"
"github.com/tetratelabs/wazero/api"
"github.com/tetratelabs/wazero/internal/leb128"
"github.com/tetratelabs/wazero/internal/testing/require"
"github.com/tetratelabs/wazero/internal/wasm"
)
var (
f32, f64, i32 = wasm.ValueTypeF32, wasm.ValueTypeF64, wasm.ValueTypeI32
f32_i32 = wasm.FunctionType{
Params: []wasm.ValueType{f32}, Results: []wasm.ValueType{i32},
ParamNumInUint64: 1,
ResultNumInUint64: 1,
}
i32_i32 = wasm.FunctionType{
Params: []wasm.ValueType{i32}, Results: []wasm.ValueType{i32},
ParamNumInUint64: 1,
ResultNumInUint64: 1,
}
i32i32_i32 = wasm.FunctionType{
Params: []wasm.ValueType{i32, i32}, Results: []wasm.ValueType{i32},
ParamNumInUint64: 2,
ResultNumInUint64: 1,
}
v_v = wasm.FunctionType{}
v_f64f64 = wasm.FunctionType{Results: []wasm.ValueType{f64, f64}, ResultNumInUint64: 2}
)
func TestCompile(t *testing.T) {
tests := []struct {
name string
module *wasm.Module
expected *CompilationResult
enabledFeatures api.CoreFeatures
}{
{
name: "nullary",
module: &wasm.Module{
TypeSection: []wasm.FunctionType{v_v},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{Body: []byte{wasm.OpcodeEnd}}},
},
expected: &CompilationResult{
Operations: []UnionOperation{ // begin with params: []
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
LabelCallers: map[Label]uint32{},
Functions: []uint32{0},
Types: []wasm.FunctionType{v_v},
},
},
{
name: "host wasm nullary",
module: &wasm.Module{
TypeSection: []wasm.FunctionType{v_v},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{Body: []byte{wasm.OpcodeEnd}}},
},
expected: &CompilationResult{
Operations: []UnionOperation{ // begin with params: []
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
LabelCallers: map[Label]uint32{},
Functions: []uint32{0},
Types: []wasm.FunctionType{v_v},
},
},
{
name: "identity",
module: &wasm.Module{
TypeSection: []wasm.FunctionType{i32_i32},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{Body: []byte{wasm.OpcodeLocalGet, 0, wasm.OpcodeEnd}}},
},
expected: &CompilationResult{
Operations: []UnionOperation{ // begin with params: [$x]
NewOperationPick(0, false), // [$x, $x]
NewOperationDrop(InclusiveRange{Start: 1, End: 1}), // [$x]
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
LabelCallers: map[Label]uint32{},
Types: []wasm.FunctionType{
{
Params: []wasm.ValueType{i32}, Results: []wasm.ValueType{i32},
ParamNumInUint64: 1,
ResultNumInUint64: 1,
},
},
Functions: []uint32{0},
},
},
{
name: "uses memory",
module: &wasm.Module{
TypeSection: []wasm.FunctionType{v_v},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{Body: []byte{
wasm.OpcodeI32Const, 8, // memory offset to load
wasm.OpcodeI32Load, 0x2, 0x0, // load alignment=2 (natural alignment) staticOffset=0
wasm.OpcodeDrop,
wasm.OpcodeEnd,
}}},
},
expected: &CompilationResult{
Operations: []UnionOperation{ // begin with params: []
NewOperationConstI32(8), // [8]
NewOperationLoad(UnsignedTypeI32, MemoryArg{Alignment: 2, Offset: 0}), // [x]
NewOperationDrop(InclusiveRange{}), // []
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
LabelCallers: map[Label]uint32{},
Types: []wasm.FunctionType{v_v},
Functions: []uint32{0},
UsesMemory: true,
},
},
{
name: "host uses memory",
module: &wasm.Module{
TypeSection: []wasm.FunctionType{v_v},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{Body: []byte{
wasm.OpcodeI32Const, 8, // memory offset to load
wasm.OpcodeI32Load, 0x2, 0x0, // load alignment=2 (natural alignment) staticOffset=0
wasm.OpcodeDrop,
wasm.OpcodeEnd,
}}},
},
expected: &CompilationResult{
Operations: []UnionOperation{ // begin with params: []
NewOperationConstI32(8), // [8]
NewOperationLoad(UnsignedTypeI32, MemoryArg{Alignment: 2, Offset: 0}), // [x]
NewOperationDrop(InclusiveRange{}), // []
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
LabelCallers: map[Label]uint32{},
Types: []wasm.FunctionType{v_v},
Functions: []uint32{0},
UsesMemory: true,
},
},
{
name: "memory.grow", // Ex to expose ops to grow memory
module: &wasm.Module{
TypeSection: []wasm.FunctionType{i32_i32},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{Body: []byte{
wasm.OpcodeLocalGet, 0, wasm.OpcodeMemoryGrow, 0, wasm.OpcodeEnd,
}}},
},
expected: &CompilationResult{
Operations: []UnionOperation{ // begin with params: [$delta]
NewOperationPick(0, false), // [$delta, $delta]
NewOperationMemoryGrow(), // [$delta, $old_size]
NewOperationDrop(InclusiveRange{Start: 1, End: 1}), // [$old_size]
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
LabelCallers: map[Label]uint32{},
Types: []wasm.FunctionType{{
Params: []wasm.ValueType{i32}, Results: []wasm.ValueType{i32},
ParamNumInUint64: 1,
ResultNumInUint64: 1,
}},
Functions: []uint32{0},
UsesMemory: true,
},
},
}
for _, tt := range tests {
tc := tt
t.Run(tc.name, func(t *testing.T) {
enabledFeatures := tc.enabledFeatures
if enabledFeatures == 0 {
enabledFeatures = api.CoreFeaturesV2
}
for _, tp := range tc.module.TypeSection {
tp.CacheNumInUint64()
}
c, err := NewCompiler(enabledFeatures, 0, tc.module, false)
require.NoError(t, err)
fn, err := c.Next()
require.NoError(t, err)
require.Equal(t, tc.expected, fn)
})
}
}
func TestCompile_Block(t *testing.T) {
tests := []struct {
name string
module *wasm.Module
expected *CompilationResult
enabledFeatures api.CoreFeatures
}{
{
name: "type-i32-i32",
module: &wasm.Module{
TypeSection: []wasm.FunctionType{v_v},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{Body: []byte{
wasm.OpcodeBlock, 0x40,
wasm.OpcodeBr, 0,
wasm.OpcodeI32Add,
wasm.OpcodeDrop,
wasm.OpcodeEnd,
wasm.OpcodeEnd,
}}},
},
// Above set manually until the text compiler supports this:
// (func (export "type-i32-i32") (block (drop (i32.add (br 0)))))
expected: &CompilationResult{
Operations: []UnionOperation{ // begin with params: []
NewOperationBr(NewLabel(LabelKindContinuation, 2)), // arbitrary FrameID
NewOperationLabel(NewLabel(LabelKindContinuation, 2)), // arbitrary FrameID
NewOperationBr(NewLabel(LabelKindReturn, 0)),
},
// Note: i32.add comes after br 0 so is unreachable. Compilation succeeds when it feels like it
// shouldn't because the br instruction is stack-polymorphic. In other words, (br 0) substitutes for the
// two i32 parameters to add.
LabelCallers: map[Label]uint32{NewLabel(LabelKindContinuation, 2): 1},
Functions: []uint32{0},
Types: []wasm.FunctionType{v_v},
},
},
}
for _, tt := range tests {
tc := tt
t.Run(tc.name, func(t *testing.T) {
requireCompilationResult(t, tc.enabledFeatures, tc.expected, tc.module)
})
}
}
// TestCompile_BulkMemoryOperations uses the example from the "bulk-memory-operations" overview.
func TestCompile_BulkMemoryOperations(t *testing.T) {
// Set manually until the text compiler supports this:
// (module
// (memory 1)
// (data (i32.const 0) "hello") ;; data segment 0, is active so always copied
// (data "goodbye") ;; data segment 1, is passive
//
// (func $start
// ;; copy data segment 1 into memory 0 (the 0 is implicit)
// (memory.init 1
// (i32.const 16) ;; target offset
// (i32.const 0) ;; source offset
// (i32.const 7)) ;; length
//
// ;; The memory used by this segment is no longer needed, so this segment can
// ;; be dropped.
// (data.drop 1)
// )
// (start $start)
// )
two := uint32(2)
module := &wasm.Module{
TypeSection: []wasm.FunctionType{v_v},
FunctionSection: []wasm.Index{0},
MemorySection: &wasm.Memory{Min: 1},
DataSection: []wasm.DataSegment{
{
OffsetExpression: wasm.ConstantExpression{
Opcode: wasm.OpcodeI32Const,
Data: []byte{0x00},
},
Init: []byte("hello"),
},
{
Passive: true,
Init: []byte("goodbye"),
},
},
DataCountSection: &two,
CodeSection: []wasm.Code{{Body: []byte{
wasm.OpcodeI32Const, 16,
wasm.OpcodeI32Const, 0,
wasm.OpcodeI32Const, 7,
wasm.OpcodeMiscPrefix, wasm.OpcodeMiscMemoryInit, 1, 0, // segment 1, memory 0
wasm.OpcodeMiscPrefix, wasm.OpcodeMiscDataDrop, 1,
wasm.OpcodeEnd,
}}},
}
expected := &CompilationResult{
Operations: []UnionOperation{ // begin with params: []
NewOperationConstI32(16), // [16]
NewOperationConstI32(0), // [16, 0]
NewOperationConstI32(7), // [16, 0, 7]
NewOperationMemoryInit(1), // []
NewOperationDataDrop(1), // []
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
HasMemory: true,
UsesMemory: true,
HasDataInstances: true,
LabelCallers: map[Label]uint32{},
Functions: []wasm.Index{0},
Types: []wasm.FunctionType{v_v},
}
c, err := NewCompiler(api.CoreFeatureBulkMemoryOperations, 0, module, false)
require.NoError(t, err)
actual, err := c.Next()
require.NoError(t, err)
require.Equal(t, expected, actual)
}
func TestCompile_MultiValue(t *testing.T) {
i32i32_i32i32 := wasm.FunctionType{
Params: []wasm.ValueType{wasm.ValueTypeI32, wasm.ValueTypeI32},
Results: []wasm.ValueType{wasm.ValueTypeI32, wasm.ValueTypeI32},
ParamNumInUint64: 2,
ResultNumInUint64: 2,
}
_i32i64 := wasm.FunctionType{
Results: []wasm.ValueType{wasm.ValueTypeI32, wasm.ValueTypeI64},
ParamNumInUint64: 0,
ResultNumInUint64: 2,
}
tests := []struct {
name string
module *wasm.Module
expected *CompilationResult
enabledFeatures api.CoreFeatures
}{
{
name: "swap",
module: &wasm.Module{
TypeSection: []wasm.FunctionType{i32i32_i32i32},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{Body: []byte{
// (func (param $x i32) (param $y i32) (result i32 i32) local.get 1 local.get 0)
wasm.OpcodeLocalGet, 1, wasm.OpcodeLocalGet, 0, wasm.OpcodeEnd,
}}},
},
expected: &CompilationResult{
Operations: []UnionOperation{ // begin with params: [$x, $y]
NewOperationPick(0, false), // [$x, $y, $y]
NewOperationPick(2, false), // [$x, $y, $y, $x]
NewOperationDrop(InclusiveRange{Start: 2, End: 3}), // [$y, $x]
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
LabelCallers: map[Label]uint32{},
Functions: []wasm.Index{0},
Types: []wasm.FunctionType{i32i32_i32i32},
},
},
{
name: "br.wast - type-f64-f64-value",
module: &wasm.Module{
TypeSection: []wasm.FunctionType{v_f64f64},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{Body: []byte{
wasm.OpcodeBlock, 0, // (block (result f64 f64)
wasm.OpcodeF64Const, 0, 0, 0, 0, 0, 0, 0x10, 0x40, // (f64.const 4)
wasm.OpcodeF64Const, 0, 0, 0, 0, 0, 0, 0x14, 0x40, // (f64.const 5)
wasm.OpcodeBr, 0,
wasm.OpcodeF64Add,
wasm.OpcodeF64Const, 0, 0, 0, 0, 0, 0, 0x18, 0x40, // (f64.const 6)
wasm.OpcodeEnd,
wasm.OpcodeEnd,
}}},
},
// Above set manually until the text compiler supports this:
// (func $type-f64-f64-value (result f64 f64)
// (block (result f64 f64)
// (f64.add (br 0 (f64.const 4) (f64.const 5))) (f64.const 6)
// )
// )
expected: &CompilationResult{
Operations: []UnionOperation{ // begin with params: []
NewOperationConstF64(4), // [4]
NewOperationConstF64(5), // [4, 5]
NewOperationBr(NewLabel(LabelKindContinuation, 2)), // arbitrary FrameID
NewOperationLabel(NewLabel(LabelKindContinuation, 2)), // arbitrary FrameID
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
// Note: f64.add comes after br 0 so is unreachable. This is why neither the add, nor its other operand
// are in the above compilation result.
LabelCallers: map[Label]uint32{NewLabel(LabelKindContinuation, 2): 1}, // arbitrary label
Functions: []wasm.Index{0},
Types: []wasm.FunctionType{v_f64f64},
},
},
{
name: "call.wast - $const-i32-i64",
module: &wasm.Module{
TypeSection: []wasm.FunctionType{_i32i64},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{Body: []byte{
// (func $const-i32-i64 (result i32 i64) i32.const 306 i64.const 356)
wasm.OpcodeI32Const, 0xb2, 0x2, wasm.OpcodeI64Const, 0xe4, 0x2, wasm.OpcodeEnd,
}}},
},
expected: &CompilationResult{
Operations: []UnionOperation{ // begin with params: []
NewOperationConstI32(306), // [306]
NewOperationConstI64(356), // [306, 356]
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
LabelCallers: map[Label]uint32{},
Functions: []wasm.Index{0},
Types: []wasm.FunctionType{_i32i64},
},
},
{
name: "if.wast - param",
module: &wasm.Module{
TypeSection: []wasm.FunctionType{i32_i32}, // (func (param i32) (result i32)
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{Body: []byte{
wasm.OpcodeI32Const, 1, // (i32.const 1)
wasm.OpcodeLocalGet, 0, wasm.OpcodeIf, 0, // (if (param i32) (result i32) (local.get 0)
wasm.OpcodeI32Const, 2, wasm.OpcodeI32Add, // (then (i32.const 2) (i32.add))
wasm.OpcodeElse, wasm.OpcodeI32Const, 0x7e, wasm.OpcodeI32Add, // (else (i32.const -2) (i32.add))
wasm.OpcodeEnd, // )
wasm.OpcodeEnd, // )
}}},
},
// Above set manually until the text compiler supports this:
// (func (export "param") (param i32) (result i32)
// (i32.const 1)
// (if (param i32) (result i32) (local.get 0)
// (then (i32.const 2) (i32.add))
// (else (i32.const -2) (i32.add))
// )
// )
expected: &CompilationResult{
Operations: []UnionOperation{ // begin with params: [$0]
NewOperationConstI32(1), // [$0, 1]
NewOperationPick(1, false), // [$0, 1, $0]
NewOperationBrIf( // [$0, 1]
NewLabel(LabelKindHeader, 2),
NewLabel(LabelKindElse, 2),
NopInclusiveRange,
),
NewOperationLabel(NewLabel(LabelKindHeader, 2)),
NewOperationConstI32(2), // [$0, 1, 2]
NewOperationAdd(UnsignedTypeI32), // [$0, 3]
NewOperationBr(NewLabel(LabelKindContinuation, 2)),
NewOperationLabel(NewLabel(LabelKindElse, 2)),
NewOperationConstI32(uint32(api.EncodeI32(-2))), // [$0, 1, -2]
NewOperationAdd(UnsignedTypeI32), // [$0, -1]
NewOperationBr(NewLabel(LabelKindContinuation, 2)),
NewOperationLabel(NewLabel(LabelKindContinuation, 2)),
NewOperationDrop(InclusiveRange{Start: 1, End: 1}), // .L2 = [3], .L2_else = [-1]
NewOperationBr(NewLabel(LabelKindReturn, 0)),
},
LabelCallers: map[Label]uint32{
NewLabel(LabelKindHeader, 2): 1,
NewLabel(LabelKindContinuation, 2): 2,
NewLabel(LabelKindElse, 2): 1,
},
Functions: []wasm.Index{0},
Types: []wasm.FunctionType{i32_i32},
},
},
{
name: "if.wast - params",
module: &wasm.Module{
TypeSection: []wasm.FunctionType{
i32_i32, // (func (param i32) (result i32)
i32i32_i32, // (if (param i32 i32) (result i32)
},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{Body: []byte{
wasm.OpcodeI32Const, 1, // (i32.const 1)
wasm.OpcodeI32Const, 2, // (i32.const 2)
wasm.OpcodeLocalGet, 0, wasm.OpcodeIf, 1, // (if (param i32) (result i32) (local.get 0)
wasm.OpcodeI32Add, // (then (i32.add))
wasm.OpcodeElse, wasm.OpcodeI32Sub, // (else (i32.sub))
wasm.OpcodeEnd, // )
wasm.OpcodeEnd, // )
}}},
},
// Above set manually until the text compiler supports this:
// (func (export "params") (param i32) (result i32)
// (i32.const 1)
// (i32.const 2)
// (if (param i32 i32) (result i32) (local.get 0)
// (then (i32.add))
// (else (i32.sub))
// )
// )
expected: &CompilationResult{
Operations: []UnionOperation{ // begin with params: [$0]
NewOperationConstI32(1), // [$0, 1]
NewOperationConstI32(2), // [$0, 1, 2]
NewOperationPick(2, false), // [$0, 1, 2, $0]
NewOperationBrIf( // [$0, 1, 2]
NewLabel(LabelKindHeader, 2),
NewLabel(LabelKindElse, 2),
NopInclusiveRange,
),
NewOperationLabel(NewLabel(LabelKindHeader, 2)),
NewOperationAdd(UnsignedTypeI32), // [$0, 3]
NewOperationBr(NewLabel(LabelKindContinuation, 2)),
NewOperationLabel(NewLabel(LabelKindElse, 2)),
NewOperationSub(UnsignedTypeI32), // [$0, -1]
NewOperationBr(NewLabel(LabelKindContinuation, 2)),
NewOperationLabel(NewLabel(LabelKindContinuation, 2)),
NewOperationDrop(InclusiveRange{Start: 1, End: 1}), // .L2 = [3], .L2_else = [-1]
NewOperationBr(NewLabel(LabelKindReturn, 0)),
},
LabelCallers: map[Label]uint32{
NewLabel(LabelKindHeader, 2): 1,
NewLabel(LabelKindContinuation, 2): 2,
NewLabel(LabelKindElse, 2): 1,
},
Functions: []wasm.Index{0},
Types: []wasm.FunctionType{i32_i32, i32i32_i32},
},
},
{
name: "if.wast - params-break",
module: &wasm.Module{
TypeSection: []wasm.FunctionType{
i32_i32, // (func (param i32) (result i32)
i32i32_i32, // (if (param i32 i32) (result i32)
},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{Body: []byte{
wasm.OpcodeI32Const, 1, // (i32.const 1)
wasm.OpcodeI32Const, 2, // (i32.const 2)
wasm.OpcodeLocalGet, 0, wasm.OpcodeIf, 1, // (if (param i32) (result i32) (local.get 0)
wasm.OpcodeI32Add, wasm.OpcodeBr, 0, // (then (i32.add) (br 0))
wasm.OpcodeElse, wasm.OpcodeI32Sub, wasm.OpcodeBr, 0, // (else (i32.sub) (br 0))
wasm.OpcodeEnd, // )
wasm.OpcodeEnd, // )
}}},
},
// Above set manually until the text compiler supports this:
// (func (export "params-break") (param i32) (result i32)
// (i32.const 1)
// (i32.const 2)
// (if (param i32 i32) (result i32) (local.get 0)
// (then (i32.add) (br 0))
// (else (i32.sub) (br 0))
// )
// )
expected: &CompilationResult{
Operations: []UnionOperation{ // begin with params: [$0]
NewOperationConstI32(1), // [$0, 1]
NewOperationConstI32(2), // [$0, 1, 2]
NewOperationPick(2, false), // [$0, 1, 2, $0]
NewOperationBrIf( // [$0, 1, 2]
NewLabel(LabelKindHeader, 2),
NewLabel(LabelKindElse, 2),
NopInclusiveRange,
),
NewOperationLabel(NewLabel(LabelKindHeader, 2)),
NewOperationAdd(UnsignedTypeI32), // [$0, 3]
NewOperationBr(NewLabel(LabelKindContinuation, 2)),
NewOperationLabel(NewLabel(LabelKindElse, 2)),
NewOperationSub(UnsignedTypeI32), // [$0, -1]
NewOperationBr(NewLabel(LabelKindContinuation, 2)),
NewOperationLabel(NewLabel(LabelKindContinuation, 2)),
NewOperationDrop(InclusiveRange{Start: 1, End: 1}), // .L2 = [3], .L2_else = [-1]
NewOperationBr(NewLabel(LabelKindReturn, 0)),
},
LabelCallers: map[Label]uint32{
NewLabel(LabelKindHeader, 2): 1,
NewLabel(LabelKindContinuation, 2): 2,
NewLabel(LabelKindElse, 2): 1,
},
Functions: []wasm.Index{0},
Types: []wasm.FunctionType{i32_i32, i32i32_i32},
},
},
}
for _, tt := range tests {
tc := tt
t.Run(tc.name, func(t *testing.T) {
enabledFeatures := tc.enabledFeatures
if enabledFeatures == 0 {
enabledFeatures = api.CoreFeaturesV2
}
for _, tp := range tc.module.TypeSection {
tp.CacheNumInUint64()
}
c, err := NewCompiler(enabledFeatures, 0, tc.module, false)
require.NoError(t, err)
actual, err := c.Next()
require.NoError(t, err)
require.Equal(t, tc.expected, actual)
})
}
}
// TestCompile_NonTrappingFloatToIntConversion picks an arbitrary operator from "nontrapping-float-to-int-conversion".
func TestCompile_NonTrappingFloatToIntConversion(t *testing.T) {
module := &wasm.Module{
TypeSection: []wasm.FunctionType{f32_i32},
FunctionSection: []wasm.Index{0},
// (func (param f32) (result i32) local.get 0 i32.trunc_sat_f32_s)
CodeSection: []wasm.Code{{Body: []byte{
wasm.OpcodeLocalGet, 0, wasm.OpcodeMiscPrefix, wasm.OpcodeMiscI32TruncSatF32S, wasm.OpcodeEnd,
}}},
}
expected := &CompilationResult{
Operations: []UnionOperation{ // begin with params: [$0]
NewOperationPick(0, false), // [$0, $0]
NewOperationITruncFromF( // [$0, i32.trunc_sat_f32_s($0)]
Float32,
SignedInt32,
true,
),
NewOperationDrop(InclusiveRange{Start: 1, End: 1}), // [i32.trunc_sat_f32_s($0)]
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
LabelCallers: map[Label]uint32{},
Functions: []wasm.Index{0},
Types: []wasm.FunctionType{f32_i32},
}
c, err := NewCompiler(api.CoreFeatureNonTrappingFloatToIntConversion, 0, module, false)
require.NoError(t, err)
actual, err := c.Next()
require.NoError(t, err)
require.Equal(t, expected, actual)
}
// TestCompile_SignExtensionOps picks an arbitrary operator from "sign-extension-ops".
func TestCompile_SignExtensionOps(t *testing.T) {
module := &wasm.Module{
TypeSection: []wasm.FunctionType{i32_i32},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{Body: []byte{
wasm.OpcodeLocalGet, 0, wasm.OpcodeI32Extend8S, wasm.OpcodeEnd,
}}},
}
expected := &CompilationResult{
Operations: []UnionOperation{ // begin with params: [$0]
NewOperationPick(0, false), // [$0, $0]
NewOperationSignExtend32From8(), // [$0, i32.extend8_s($0)]
NewOperationDrop(InclusiveRange{Start: 1, End: 1}), // [i32.extend8_s($0)]
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
LabelCallers: map[Label]uint32{},
Functions: []wasm.Index{0},
Types: []wasm.FunctionType{i32_i32},
}
c, err := NewCompiler(api.CoreFeatureSignExtensionOps, 0, module, false)
require.NoError(t, err)
actual, err := c.Next()
require.NoError(t, err)
require.Equal(t, expected, actual)
}
func requireCompilationResult(t *testing.T, enabledFeatures api.CoreFeatures, expected *CompilationResult, module *wasm.Module) {
if enabledFeatures == 0 {
enabledFeatures = api.CoreFeaturesV2
}
c, err := NewCompiler(enabledFeatures, 0, module, false)
require.NoError(t, err)
actual, err := c.Next()
require.NoError(t, err)
require.NoError(t, err)
require.Equal(t, expected, actual)
}
func TestCompile_CallIndirectNonZeroTableIndex(t *testing.T) {
module := &wasm.Module{
TypeSection: []wasm.FunctionType{v_v, v_v, v_v},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{Body: []byte{
wasm.OpcodeI32Const, 0, // call indirect offset
wasm.OpcodeCallIndirect,
2, // Type index for call_indirect.
5, // Non-zero table index for call_indirect.
wasm.OpcodeEnd,
}}},
TableSection: []wasm.Table{
{Type: wasm.RefTypeExternref},
{Type: wasm.RefTypeFuncref},
{Type: wasm.RefTypeFuncref},
{Type: wasm.RefTypeFuncref},
{Type: wasm.RefTypeFuncref},
{Type: wasm.RefTypeFuncref, Min: 100},
},
}
expected := &CompilationResult{
Operations: []UnionOperation{ // begin with params: []
NewOperationConstI32(0),
NewOperationCallIndirect(2, 5),
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
HasTable: true,
LabelCallers: map[Label]uint32{},
Functions: []wasm.Index{0},
Types: []wasm.FunctionType{v_v, v_v, v_v},
}
c, err := NewCompiler(api.CoreFeatureBulkMemoryOperations, 0, module, false)
require.NoError(t, err)
actual, err := c.Next()
require.NoError(t, err)
require.Equal(t, expected, actual)
}
func TestCompile_Refs(t *testing.T) {
tests := []struct {
name string
body []byte
expected []UnionOperation
}{
{
name: "ref.func",
body: []byte{
wasm.OpcodeRefFunc, 100,
wasm.OpcodeDrop,
wasm.OpcodeEnd,
},
expected: []UnionOperation{
NewOperationRefFunc(100),
NewOperationDrop(InclusiveRange{Start: 0, End: 0}),
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
},
{
name: "ref.null (externref)",
body: []byte{
wasm.OpcodeRefNull, wasm.ValueTypeExternref,
wasm.OpcodeDrop,
wasm.OpcodeEnd,
},
expected: []UnionOperation{
NewOperationConstI64(0),
NewOperationDrop(InclusiveRange{Start: 0, End: 0}),
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
},
{
name: "ref.null (funcref)",
body: []byte{
wasm.OpcodeRefNull, wasm.ValueTypeFuncref,
wasm.OpcodeDrop,
wasm.OpcodeEnd,
},
expected: []UnionOperation{
NewOperationConstI64(0),
NewOperationDrop(InclusiveRange{Start: 0, End: 0}),
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
},
{
name: "ref.is_null",
body: []byte{
wasm.OpcodeRefFunc, 100,
wasm.OpcodeRefIsNull,
wasm.OpcodeDrop,
wasm.OpcodeEnd,
},
expected: []UnionOperation{
NewOperationRefFunc(100),
NewOperationEqz(UnsignedInt64),
NewOperationDrop(InclusiveRange{Start: 0, End: 0}),
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
},
{
name: "ref.is_null (externref)",
body: []byte{
wasm.OpcodeRefNull, wasm.ValueTypeExternref,
wasm.OpcodeRefIsNull,
wasm.OpcodeDrop,
wasm.OpcodeEnd,
},
expected: []UnionOperation{
NewOperationConstI64(0),
NewOperationEqz(UnsignedInt64),
NewOperationDrop(InclusiveRange{Start: 0, End: 0}),
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
},
}
for _, tt := range tests {
tc := tt
t.Run(tc.name, func(t *testing.T) {
module := &wasm.Module{
TypeSection: []wasm.FunctionType{v_v},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{Body: tc.body}},
}
c, err := NewCompiler(api.CoreFeaturesV2, 0, module, false)
require.NoError(t, err)
actual, err := c.Next()
require.NoError(t, err)
require.Equal(t, tc.expected, actual.Operations)
})
}
}
func TestCompile_TableGetOrSet(t *testing.T) {
tests := []struct {
name string
body []byte
expected []UnionOperation
}{
{
name: "table.get",
body: []byte{
wasm.OpcodeI32Const, 10,
wasm.OpcodeTableGet, 0,
wasm.OpcodeDrop,
wasm.OpcodeEnd,
},
expected: []UnionOperation{
NewOperationConstI32(10),
NewOperationTableGet(0),
NewOperationDrop(InclusiveRange{Start: 0, End: 0}),
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
},
{
name: "table.set (externref)",
body: []byte{
wasm.OpcodeI32Const, 10,
wasm.OpcodeRefNull, wasm.ValueTypeExternref,
wasm.OpcodeTableSet, 0,
wasm.OpcodeEnd,
},
expected: []UnionOperation{
NewOperationConstI32(10),
NewOperationConstI64(0),
NewOperationTableSet(0),
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
},
{
name: "table.set (funcref)",
body: []byte{
wasm.OpcodeI32Const, 10,
wasm.OpcodeRefFunc, 1,
wasm.OpcodeTableSet, 0,
wasm.OpcodeEnd,
},
expected: []UnionOperation{
NewOperationConstI32(10),
NewOperationRefFunc(1),
NewOperationTableSet(0),
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
},
}
for _, tt := range tests {
tc := tt
t.Run(tc.name, func(t *testing.T) {
module := &wasm.Module{
TypeSection: []wasm.FunctionType{v_v},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{Body: tc.body}},
TableSection: []wasm.Table{{}},
}
c, err := NewCompiler(api.CoreFeaturesV2, 0, module, false)
require.NoError(t, err)
actual, err := c.Next()
require.NoError(t, err)
require.Equal(t, tc.expected, actual.Operations)
})
}
}
func TestCompile_TableGrowFillSize(t *testing.T) {
tests := []struct {
name string
body []byte
expected []UnionOperation
}{
{
name: "table.grow",
body: []byte{
wasm.OpcodeRefNull, wasm.RefTypeFuncref,
wasm.OpcodeI32Const, 1,
wasm.OpcodeMiscPrefix, wasm.OpcodeMiscTableGrow, 1,
wasm.OpcodeEnd,
},
expected: []UnionOperation{
NewOperationConstI64(0), // Null ref.
NewOperationConstI32(1),
NewOperationTableGrow(1),
NewOperationDrop(InclusiveRange{Start: 0, End: 0}),
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
},
{
name: "table.fill",
body: []byte{
wasm.OpcodeI32Const, 10,
wasm.OpcodeRefNull, wasm.RefTypeFuncref,
wasm.OpcodeI32Const, 1,
wasm.OpcodeMiscPrefix, wasm.OpcodeMiscTableFill, 1,
wasm.OpcodeEnd,
},
expected: []UnionOperation{
NewOperationConstI32(10),
NewOperationConstI64(0), // Null ref.
NewOperationConstI32(1),
NewOperationTableFill(1),
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
},
{
name: "table.size",
body: []byte{
wasm.OpcodeMiscPrefix, wasm.OpcodeMiscTableSize, 1,
wasm.OpcodeEnd,
},
expected: []UnionOperation{
NewOperationTableSize(1),
NewOperationDrop(InclusiveRange{Start: 0, End: 0}),
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
},
}
for _, tt := range tests {
tc := tt
t.Run(tc.name, func(t *testing.T) {
module := &wasm.Module{
TypeSection: []wasm.FunctionType{v_v},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{Body: tc.body}},
TableSection: []wasm.Table{{}},
}
c, err := NewCompiler(api.CoreFeaturesV2, 0, module, false)
require.NoError(t, err)
actual, err := c.Next()
require.NoError(t, err)
require.Equal(t, tc.expected, actual.Operations)
require.True(t, actual.HasTable)
})
}
}
func TestCompile_Locals(t *testing.T) {
tests := []struct {
name string
mod *wasm.Module
expected []UnionOperation
}{
{
name: "local.get - func param - v128",
mod: &wasm.Module{
TypeSection: []wasm.FunctionType{{Params: []wasm.ValueType{wasm.ValueTypeV128}}},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{Body: []byte{
wasm.OpcodeLocalGet, 0,
wasm.OpcodeEnd,
}}},
},
expected: []UnionOperation{
NewOperationPick(1, true), // [param[0].low, param[0].high] -> [param[0].low, param[0].high, param[0].low, param[0].high]
NewOperationDrop(InclusiveRange{Start: 0, End: 3}),
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
},
{
name: "local.get - func param - i64",
mod: &wasm.Module{
TypeSection: []wasm.FunctionType{{Params: []wasm.ValueType{wasm.ValueTypeI64}}},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{Body: []byte{
wasm.OpcodeLocalGet, 0,
wasm.OpcodeEnd,
}}},
},
expected: []UnionOperation{
NewOperationPick(0, false), // [param[0]] -> [param[0], param[0]]
NewOperationDrop(InclusiveRange{Start: 0, End: 1}),
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
},
{
name: "local.get - non func param - v128",
mod: &wasm.Module{
TypeSection: []wasm.FunctionType{v_v},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{
Body: []byte{
wasm.OpcodeLocalGet, 0,
wasm.OpcodeEnd,
},
LocalTypes: []wasm.ValueType{wasm.ValueTypeV128},
}},
},
expected: []UnionOperation{
NewOperationV128Const(0, 0),
NewOperationPick(1, true), // [p[0].low, p[0].high] -> [p[0].low, p[0].high, p[0].low, p[0].high]
NewOperationDrop(InclusiveRange{Start: 0, End: 3}),
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
},
{
name: "local.set - func param - v128",
mod: &wasm.Module{
TypeSection: []wasm.FunctionType{{Params: []wasm.ValueType{wasm.ValueTypeV128}}},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{Body: []byte{
wasm.OpcodeVecPrefix, wasm.OpcodeVecV128Const, // [] -> [0x01, 0x02]
1, 0, 0, 0, 0, 0, 0, 0,
2, 0, 0, 0, 0, 0, 0, 0,
wasm.OpcodeLocalSet, 0, // [0x01, 0x02] -> []
wasm.OpcodeEnd,
}}},
},
expected: []UnionOperation{
// [p[0].lo, p[1].hi] -> [p[0].lo, p[1].hi, 0x01, 0x02]
NewOperationV128Const(0x01, 0x02),
// [p[0].lo, p[1].hi, 0x01, 0x02] -> [0x01, 0x02]
NewOperationSet(3, true),
NewOperationDrop(InclusiveRange{Start: 0, End: 1}),
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
},
{
name: "local.set - func param - i32",
mod: &wasm.Module{
TypeSection: []wasm.FunctionType{{Params: []wasm.ValueType{wasm.ValueTypeI32}}},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{Body: []byte{
wasm.OpcodeI32Const, 0x1, // [] -> [0x01]
wasm.OpcodeLocalSet, 0, // [0x01] -> []
wasm.OpcodeEnd,
}}},
},
expected: []UnionOperation{
NewOperationConstI32(0x1),
NewOperationSet(1, false),
NewOperationDrop(InclusiveRange{Start: 0, End: 0}),
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
},
{
name: "local.set - non func param - v128",
mod: &wasm.Module{
TypeSection: []wasm.FunctionType{v_v},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{
Body: []byte{
wasm.OpcodeVecPrefix, wasm.OpcodeVecV128Const, // [] -> [0x01, 0x02]
1, 0, 0, 0, 0, 0, 0, 0,
2, 0, 0, 0, 0, 0, 0, 0,
wasm.OpcodeLocalSet, 0, // [0x01, 0x02] -> []
wasm.OpcodeEnd,
},
LocalTypes: []wasm.ValueType{wasm.ValueTypeV128},
}},
},
expected: []UnionOperation{
NewOperationV128Const(0, 0),
// [p[0].lo, p[1].hi] -> [p[0].lo, p[1].hi, 0x01, 0x02]
NewOperationV128Const(0x01, 0x02),
// [p[0].lo, p[1].hi, 0x01, 0x02] -> [0x01, 0x02]
NewOperationSet(3, true),
NewOperationDrop(InclusiveRange{Start: 0, End: 1}),
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
},
{
name: "local.tee - func param - v128",
mod: &wasm.Module{
TypeSection: []wasm.FunctionType{{Params: []wasm.ValueType{wasm.ValueTypeV128}}},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{Body: []byte{
wasm.OpcodeVecPrefix, wasm.OpcodeVecV128Const, // [] -> [0x01, 0x02]
1, 0, 0, 0, 0, 0, 0, 0,
2, 0, 0, 0, 0, 0, 0, 0,
wasm.OpcodeLocalTee, 0, // [0x01, 0x02] -> [0x01, 0x02]
wasm.OpcodeEnd,
}}},
},
expected: []UnionOperation{
// [p[0].lo, p[1].hi] -> [p[0].lo, p[1].hi, 0x01, 0x02]
NewOperationV128Const(0x01, 0x02),
// [p[0].lo, p[1].hi, 0x01, 0x02] -> [p[0].lo, p[1].hi, 0x01, 0x02, 0x01, 0x02]
NewOperationPick(1, true),
// [p[0].lo, p[1].hi, 0x01, 0x02, 0x01, 0x02] -> [0x01, 0x02, 0x01, 0x02]
NewOperationSet(5, true),
NewOperationDrop(InclusiveRange{Start: 0, End: 3}),
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
},
{
name: "local.tee - func param - f32",
mod: &wasm.Module{
TypeSection: []wasm.FunctionType{{Params: []wasm.ValueType{wasm.ValueTypeF32}}},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{Body: []byte{
wasm.OpcodeF32Const, 1, 0, 0, 0,
wasm.OpcodeLocalTee, 0, // [0x01, 0x02] -> [0x01, 0x02]
wasm.OpcodeEnd,
}}},
},
expected: []UnionOperation{
NewOperationConstF32(math.Float32frombits(1)),
NewOperationPick(0, false),
NewOperationSet(2, false),
NewOperationDrop(InclusiveRange{Start: 0, End: 1}),
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
},
{
name: "local.tee - non func param",
mod: &wasm.Module{
TypeSection: []wasm.FunctionType{v_v},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{
Body: []byte{
wasm.OpcodeVecPrefix, wasm.OpcodeVecV128Const, // [] -> [0x01, 0x02]
1, 0, 0, 0, 0, 0, 0, 0,
2, 0, 0, 0, 0, 0, 0, 0,
wasm.OpcodeLocalTee, 0, // [0x01, 0x02] -> [0x01, 0x02]
wasm.OpcodeEnd,
},
LocalTypes: []wasm.ValueType{wasm.ValueTypeV128},
}},
},
expected: []UnionOperation{
NewOperationV128Const(0, 0),
// [p[0].lo, p[1].hi] -> [p[0].lo, p[1].hi, 0x01, 0x02]
NewOperationV128Const(0x01, 0x02),
// [p[0].lo, p[1].hi, 0x01, 0x02] -> [p[0].lo, p[1].hi, 0x01, 0x02, 0x01, 0x02]
NewOperationPick(1, true),
// [p[0].lo, p[1].hi, 0x01, 0x02, 0x01, 0x2] -> [0x01, 0x02, 0x01, 0x02]
NewOperationSet(5, true),
NewOperationDrop(InclusiveRange{Start: 0, End: 3}),
NewOperationBr(NewLabel(LabelKindReturn, 0)), // return!
},
},
}
for _, tt := range tests {
tc := tt
t.Run(tc.name, func(t *testing.T) {
c, err := NewCompiler(api.CoreFeaturesV2, 0, tc.mod, false)
require.NoError(t, err)
actual, err := c.Next()
require.NoError(t, err)
msg := fmt.Sprintf("\nhave:\n\t%s\nwant:\n\t%s", Format(actual.Operations), Format(tc.expected))
require.Equal(t, tc.expected, actual.Operations, msg)
})
}
}
func TestCompile_Vec(t *testing.T) {
addV128Const := func(in []byte) []byte {
return append(in, wasm.OpcodeVecPrefix,
wasm.OpcodeVecV128Const,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1)
}
vvv2v := func(vec wasm.OpcodeVec) (ret []byte) {
ret = addV128Const(ret)
ret = addV128Const(ret)
ret = addV128Const(ret)
return append(ret, wasm.OpcodeVecPrefix, vec, wasm.OpcodeDrop, wasm.OpcodeEnd)
}
vv2v := func(vec wasm.OpcodeVec) (ret []byte) {
ret = addV128Const(ret)
ret = addV128Const(ret)
return append(ret, wasm.OpcodeVecPrefix, vec, wasm.OpcodeDrop, wasm.OpcodeEnd)
}
vi2v := func(vec wasm.OpcodeVec) (ret []byte) {
ret = addV128Const(ret)
return append(ret, wasm.OpcodeI32Const, 1,
wasm.OpcodeVecPrefix, vec,
wasm.OpcodeDrop, wasm.OpcodeEnd)
}
v2v := func(vec wasm.OpcodeVec) (ret []byte) {
ret = addV128Const(ret)
return append(ret, wasm.OpcodeVecPrefix, vec, wasm.OpcodeDrop, wasm.OpcodeEnd)
}
load := func(vec wasm.OpcodeVec, offset, align uint32) (ret []byte) {
ret = []byte{wasm.OpcodeI32Const, 1, 1, 1, 1, wasm.OpcodeVecPrefix, vec}
ret = append(ret, leb128.EncodeUint32(align)...)
ret = append(ret, leb128.EncodeUint32(offset)...)
ret = append(ret, wasm.OpcodeDrop, wasm.OpcodeEnd)
return
}
loadLane := func(vec wasm.OpcodeVec, offset, align uint32, lane byte) (ret []byte) {
ret = addV128Const([]byte{wasm.OpcodeI32Const, 1, 1, 1, 1})
ret = append(ret, wasm.OpcodeVecPrefix, vec)
ret = append(ret, leb128.EncodeUint32(align)...)
ret = append(ret, leb128.EncodeUint32(offset)...)
ret = append(ret, lane, wasm.OpcodeDrop, wasm.OpcodeEnd)
return
}
storeLane := func(vec wasm.OpcodeVec, offset, align uint32, lane byte) (ret []byte) {
ret = addV128Const([]byte{wasm.OpcodeI32Const, 0})
ret = append(ret, wasm.OpcodeVecPrefix, vec)
ret = append(ret, leb128.EncodeUint32(align)...)
ret = append(ret, leb128.EncodeUint32(offset)...)
ret = append(ret, lane, wasm.OpcodeEnd)
return
}
extractLane := func(vec wasm.OpcodeVec, lane byte) (ret []byte) {
ret = addV128Const(ret)
ret = append(ret, wasm.OpcodeVecPrefix, vec, lane, wasm.OpcodeDrop, wasm.OpcodeEnd)
return
}
replaceLane := func(vec wasm.OpcodeVec, lane byte) (ret []byte) {
ret = addV128Const(ret)
switch vec {
case wasm.OpcodeVecI8x16ReplaceLane, wasm.OpcodeVecI16x8ReplaceLane, wasm.OpcodeVecI32x4ReplaceLane:
ret = append(ret, wasm.OpcodeI32Const, 0)
case wasm.OpcodeVecI64x2ReplaceLane:
ret = append(ret, wasm.OpcodeI64Const, 0)
case wasm.OpcodeVecF32x4ReplaceLane:
ret = append(ret, wasm.OpcodeF32Const, 0, 0, 0, 0)
case wasm.OpcodeVecF64x2ReplaceLane:
ret = append(ret, wasm.OpcodeF64Const, 0, 0, 0, 0, 0, 0, 0, 0)
}
ret = append(ret, wasm.OpcodeVecPrefix, vec, lane, wasm.OpcodeDrop, wasm.OpcodeEnd)
return
}
splat := func(vec wasm.OpcodeVec) (ret []byte) {
switch vec {
case wasm.OpcodeVecI8x16Splat, wasm.OpcodeVecI16x8Splat, wasm.OpcodeVecI32x4Splat:
ret = append(ret, wasm.OpcodeI32Const, 0)
case wasm.OpcodeVecI64x2Splat:
ret = append(ret, wasm.OpcodeI64Const, 0)
case wasm.OpcodeVecF32x4Splat:
ret = append(ret, wasm.OpcodeF32Const, 0, 0, 0, 0)
case wasm.OpcodeVecF64x2Splat:
ret = append(ret, wasm.OpcodeF64Const, 0, 0, 0, 0, 0, 0, 0, 0)
}
ret = append(ret, wasm.OpcodeVecPrefix, vec, wasm.OpcodeDrop, wasm.OpcodeEnd)
return
}
tests := []struct {
name string
body []byte
expected UnionOperation
needDropBeforeReturn bool
}{
{
name: "i8x16 add",
needDropBeforeReturn: true,
body: vv2v(wasm.OpcodeVecI8x16Add),
expected: NewOperationV128Add(ShapeI8x16),
},
{
name: "i8x16 add",
needDropBeforeReturn: true,
body: vv2v(wasm.OpcodeVecI16x8Add),
expected: NewOperationV128Add(ShapeI16x8),
},
{
name: "i32x2 add",
needDropBeforeReturn: true,
body: vv2v(wasm.OpcodeVecI64x2Add),
expected: NewOperationV128Add(ShapeI64x2),
},
{
name: "i64x2 add",
needDropBeforeReturn: true,
body: vv2v(wasm.OpcodeVecI64x2Add),
expected: NewOperationV128Add(ShapeI64x2),
},
{
name: "i8x16 sub",
needDropBeforeReturn: true,
body: vv2v(wasm.OpcodeVecI8x16Sub),
expected: NewOperationV128Sub(ShapeI8x16),
},
{
name: "i16x8 sub",
needDropBeforeReturn: true,
body: vv2v(wasm.OpcodeVecI16x8Sub),
expected: NewOperationV128Sub(ShapeI16x8),
},
{
name: "i32x2 sub",
needDropBeforeReturn: true,
body: vv2v(wasm.OpcodeVecI64x2Sub),
expected: NewOperationV128Sub(ShapeI64x2),
},
{
name: "i64x2 sub",
needDropBeforeReturn: true,
body: vv2v(wasm.OpcodeVecI64x2Sub),
expected: NewOperationV128Sub(ShapeI64x2),
},
{
name: wasm.OpcodeVecV128LoadName, body: load(wasm.OpcodeVecV128Load, 0, 0),
needDropBeforeReturn: true,
expected: NewOperationV128Load(V128LoadType128, MemoryArg{Alignment: 0, Offset: 0}),
},
{
name: wasm.OpcodeVecV128LoadName + "/align=4", body: load(wasm.OpcodeVecV128Load, 0, 4),
needDropBeforeReturn: true,
expected: NewOperationV128Load(V128LoadType128, MemoryArg{Alignment: 4, Offset: 0}),
},
{
name: wasm.OpcodeVecV128Load8x8SName, body: load(wasm.OpcodeVecV128Load8x8s, 1, 0),
needDropBeforeReturn: true,
expected: NewOperationV128Load(V128LoadType8x8s, MemoryArg{Alignment: 0, Offset: 1}),
},
{
name: wasm.OpcodeVecV128Load8x8SName + "/align=1", body: load(wasm.OpcodeVecV128Load8x8s, 0, 1),
needDropBeforeReturn: true,
expected: NewOperationV128Load(V128LoadType8x8s, MemoryArg{Alignment: 1, Offset: 0}),
},
{
name: wasm.OpcodeVecV128Load8x8UName, body: load(wasm.OpcodeVecV128Load8x8u, 0, 0),
needDropBeforeReturn: true,
expected: NewOperationV128Load(V128LoadType8x8u, MemoryArg{Alignment: 0, Offset: 0}),
},
{
name: wasm.OpcodeVecV128Load8x8UName + "/align=1", body: load(wasm.OpcodeVecV128Load8x8u, 0, 1),
needDropBeforeReturn: true,
expected: NewOperationV128Load(V128LoadType8x8u, MemoryArg{Alignment: 1, Offset: 0}),
},
{
name: wasm.OpcodeVecV128Load16x4SName, body: load(wasm.OpcodeVecV128Load16x4s, 1, 0),
needDropBeforeReturn: true,
expected: NewOperationV128Load(V128LoadType16x4s, MemoryArg{Alignment: 0, Offset: 1}),
},
{
name: wasm.OpcodeVecV128Load16x4SName + "/align=2", body: load(wasm.OpcodeVecV128Load16x4s, 0, 2),
needDropBeforeReturn: true,
expected: NewOperationV128Load(V128LoadType16x4s, MemoryArg{Alignment: 2, Offset: 0}),
},
{
name: wasm.OpcodeVecV128Load16x4UName, body: load(wasm.OpcodeVecV128Load16x4u, 0, 0),
needDropBeforeReturn: true,
expected: NewOperationV128Load(V128LoadType16x4u, MemoryArg{Alignment: 0, Offset: 0}),
},
{
name: wasm.OpcodeVecV128Load16x4UName + "/align=2", body: load(wasm.OpcodeVecV128Load16x4u, 0, 2),
needDropBeforeReturn: true,
expected: NewOperationV128Load(V128LoadType16x4u, MemoryArg{Alignment: 2, Offset: 0}),
},
{
name: wasm.OpcodeVecV128Load32x2SName, body: load(wasm.OpcodeVecV128Load32x2s, 1, 0),
needDropBeforeReturn: true,
expected: NewOperationV128Load(V128LoadType32x2s, MemoryArg{Alignment: 0, Offset: 1}),
},
{
name: wasm.OpcodeVecV128Load32x2SName + "/align=3", body: load(wasm.OpcodeVecV128Load32x2s, 0, 3),
needDropBeforeReturn: true,
expected: NewOperationV128Load(V128LoadType32x2s, MemoryArg{Alignment: 3, Offset: 0}),
},
{
name: wasm.OpcodeVecV128Load32x2UName, body: load(wasm.OpcodeVecV128Load32x2u, 0, 0),
needDropBeforeReturn: true,
expected: NewOperationV128Load(V128LoadType32x2u, MemoryArg{Alignment: 0, Offset: 0}),
},
{
name: wasm.OpcodeVecV128Load32x2UName + "/align=3", body: load(wasm.OpcodeVecV128Load32x2u, 0, 3),
needDropBeforeReturn: true,
expected: NewOperationV128Load(V128LoadType32x2u, MemoryArg{Alignment: 3, Offset: 0}),
},
{
name: wasm.OpcodeVecV128Load8SplatName, body: load(wasm.OpcodeVecV128Load8Splat, 2, 0),
needDropBeforeReturn: true,
expected: NewOperationV128Load(V128LoadType8Splat, MemoryArg{Alignment: 0, Offset: 2}),
},
{
name: wasm.OpcodeVecV128Load16SplatName, body: load(wasm.OpcodeVecV128Load16Splat, 0, 1),
needDropBeforeReturn: true,
expected: NewOperationV128Load(V128LoadType16Splat, MemoryArg{Alignment: 1, Offset: 0}),
},
{
name: wasm.OpcodeVecV128Load32SplatName, body: load(wasm.OpcodeVecV128Load32Splat, 3, 2),
needDropBeforeReturn: true,
expected: NewOperationV128Load(V128LoadType32Splat, MemoryArg{Alignment: 2, Offset: 3}),
},
{
name: wasm.OpcodeVecV128Load64SplatName, body: load(wasm.OpcodeVecV128Load64Splat, 0, 3),
needDropBeforeReturn: true,
expected: NewOperationV128Load(V128LoadType64Splat, MemoryArg{Alignment: 3, Offset: 0}),
},
{
name: wasm.OpcodeVecV128Load32zeroName, body: load(wasm.OpcodeVecV128Load32zero, 0, 2),
needDropBeforeReturn: true,
expected: NewOperationV128Load(V128LoadType32zero, MemoryArg{Alignment: 2, Offset: 0}),
},
{
name: wasm.OpcodeVecV128Load64zeroName, body: load(wasm.OpcodeVecV128Load64zero, 5, 3),
needDropBeforeReturn: true,
expected: NewOperationV128Load(V128LoadType64zero, MemoryArg{Alignment: 3, Offset: 5}),
},
{
name: wasm.OpcodeVecV128Load8LaneName, needDropBeforeReturn: true,
body: loadLane(wasm.OpcodeVecV128Load8Lane, 5, 0, 10),
expected: NewOperationV128LoadLane(10, 8, MemoryArg{Alignment: 0, Offset: 5}),
},
{
name: wasm.OpcodeVecV128Load16LaneName, needDropBeforeReturn: true,
body: loadLane(wasm.OpcodeVecV128Load16Lane, 100, 1, 7),
expected: NewOperationV128LoadLane(7, 16, MemoryArg{Alignment: 1, Offset: 100}),
},
{
name: wasm.OpcodeVecV128Load32LaneName, needDropBeforeReturn: true,
body: loadLane(wasm.OpcodeVecV128Load32Lane, 0, 2, 3),
expected: NewOperationV128LoadLane(3, 32, MemoryArg{Alignment: 2, Offset: 0}),
},
{
name: wasm.OpcodeVecV128Load64LaneName, needDropBeforeReturn: true,
body: loadLane(wasm.OpcodeVecV128Load64Lane, 0, 3, 1),
expected: NewOperationV128LoadLane(1, 64, MemoryArg{Alignment: 3, Offset: 0}),
},
{
name: wasm.OpcodeVecV128StoreName, body: []byte{
wasm.OpcodeI32Const,
1, 1, 1, 1,
wasm.OpcodeVecPrefix,
wasm.OpcodeVecV128Const,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
wasm.OpcodeVecPrefix,
wasm.OpcodeVecV128Store,
4, // alignment
10, // offset
wasm.OpcodeEnd,
},
expected: NewOperationV128Store(MemoryArg{Alignment: 4, Offset: 10}),
},
{
name: wasm.OpcodeVecV128Store8LaneName,
body: storeLane(wasm.OpcodeVecV128Store8Lane, 0, 0, 0),
expected: NewOperationV128StoreLane(0, 8, MemoryArg{Alignment: 0, Offset: 0}),
},
{
name: wasm.OpcodeVecV128Store8LaneName + "/lane=15",
body: storeLane(wasm.OpcodeVecV128Store8Lane, 100, 0, 15),
expected: NewOperationV128StoreLane(15, 8, MemoryArg{Alignment: 0, Offset: 100}),
},
{
name: wasm.OpcodeVecV128Store16LaneName,
body: storeLane(wasm.OpcodeVecV128Store16Lane, 0, 0, 0),
expected: NewOperationV128StoreLane(0, 16, MemoryArg{Alignment: 0, Offset: 0}),
},
{
name: wasm.OpcodeVecV128Store16LaneName + "/lane=7/align=1",
body: storeLane(wasm.OpcodeVecV128Store16Lane, 100, 1, 7),
expected: NewOperationV128StoreLane(7, 16, MemoryArg{Alignment: 1, Offset: 100}),
},
{
name: wasm.OpcodeVecV128Store32LaneName,
body: storeLane(wasm.OpcodeVecV128Store32Lane, 0, 0, 0),
expected: NewOperationV128StoreLane(0, 32, MemoryArg{Alignment: 0, Offset: 0}),
},
{
name: wasm.OpcodeVecV128Store32LaneName + "/lane=3/align=2",
body: storeLane(wasm.OpcodeVecV128Store32Lane, 100, 2, 3),
expected: NewOperationV128StoreLane(3, 32, MemoryArg{Alignment: 2, Offset: 100}),
},
{
name: wasm.OpcodeVecV128Store64LaneName,
body: storeLane(wasm.OpcodeVecV128Store64Lane, 0, 0, 0),
expected: NewOperationV128StoreLane(0, 64, MemoryArg{Alignment: 0, Offset: 0}),
},
{
name: wasm.OpcodeVecV128Store64LaneName + "/lane=1/align=3",
body: storeLane(wasm.OpcodeVecV128Store64Lane, 50, 3, 1),
expected: NewOperationV128StoreLane(1, 64, MemoryArg{Alignment: 3, Offset: 50}),
},
{
name: wasm.OpcodeVecI8x16ExtractLaneSName,
body: extractLane(wasm.OpcodeVecI8x16ExtractLaneS, 0),
expected: NewOperationV128ExtractLane(0, true, ShapeI8x16),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecI8x16ExtractLaneSName + "/lane=15",
body: extractLane(wasm.OpcodeVecI8x16ExtractLaneS, 15),
expected: NewOperationV128ExtractLane(15, true, ShapeI8x16),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecI8x16ExtractLaneUName,
body: extractLane(wasm.OpcodeVecI8x16ExtractLaneU, 0),
expected: NewOperationV128ExtractLane(0, false, ShapeI8x16),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecI8x16ExtractLaneUName + "/lane=15",
body: extractLane(wasm.OpcodeVecI8x16ExtractLaneU, 15),
expected: NewOperationV128ExtractLane(15, false, ShapeI8x16),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecI16x8ExtractLaneSName,
body: extractLane(wasm.OpcodeVecI16x8ExtractLaneS, 0),
expected: NewOperationV128ExtractLane(0, true, ShapeI16x8),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecI16x8ExtractLaneSName + "/lane=7",
body: extractLane(wasm.OpcodeVecI16x8ExtractLaneS, 7),
expected: NewOperationV128ExtractLane(7, true, ShapeI16x8),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecI16x8ExtractLaneUName,
body: extractLane(wasm.OpcodeVecI16x8ExtractLaneU, 0),
expected: NewOperationV128ExtractLane(0, false, ShapeI16x8),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecI16x8ExtractLaneUName + "/lane=7",
body: extractLane(wasm.OpcodeVecI16x8ExtractLaneU, 7),
expected: NewOperationV128ExtractLane(7, false, ShapeI16x8),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecI32x4ExtractLaneName,
body: extractLane(wasm.OpcodeVecI32x4ExtractLane, 0),
expected: NewOperationV128ExtractLane(0, false, ShapeI32x4),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecI32x4ExtractLaneName + "/lane=3",
body: extractLane(wasm.OpcodeVecI32x4ExtractLane, 3),
expected: NewOperationV128ExtractLane(3, false, ShapeI32x4),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecI64x2ExtractLaneName,
body: extractLane(wasm.OpcodeVecI64x2ExtractLane, 0),
expected: NewOperationV128ExtractLane(0, false, ShapeI64x2),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecI64x2ExtractLaneName + "/lane=1",
body: extractLane(wasm.OpcodeVecI64x2ExtractLane, 1),
expected: NewOperationV128ExtractLane(1, false, ShapeI64x2),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecF32x4ExtractLaneName,
body: extractLane(wasm.OpcodeVecF32x4ExtractLane, 0),
expected: NewOperationV128ExtractLane(0, false, ShapeF32x4),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecF32x4ExtractLaneName + "/lane=3",
body: extractLane(wasm.OpcodeVecF32x4ExtractLane, 3),
expected: NewOperationV128ExtractLane(3, false, ShapeF32x4),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecF64x2ExtractLaneName,
body: extractLane(wasm.OpcodeVecF64x2ExtractLane, 0),
expected: NewOperationV128ExtractLane(0, false, ShapeF64x2),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecF64x2ExtractLaneName + "/lane=1",
body: extractLane(wasm.OpcodeVecF64x2ExtractLane, 1),
expected: NewOperationV128ExtractLane(1, false, ShapeF64x2),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecI8x16ReplaceLaneName,
body: replaceLane(wasm.OpcodeVecI8x16ReplaceLane, 0),
expected: NewOperationV128ReplaceLane(0, ShapeI8x16),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecI8x16ReplaceLaneName + "/lane=15",
body: replaceLane(wasm.OpcodeVecI8x16ReplaceLane, 15),
expected: NewOperationV128ReplaceLane(15, ShapeI8x16),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecI16x8ReplaceLaneName,
body: replaceLane(wasm.OpcodeVecI16x8ReplaceLane, 0),
expected: NewOperationV128ReplaceLane(0, ShapeI16x8),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecI16x8ReplaceLaneName + "/lane=7",
body: replaceLane(wasm.OpcodeVecI16x8ReplaceLane, 7),
expected: NewOperationV128ReplaceLane(7, ShapeI16x8),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecI32x4ReplaceLaneName,
body: replaceLane(wasm.OpcodeVecI32x4ReplaceLane, 0),
expected: NewOperationV128ReplaceLane(0, ShapeI32x4),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecI32x4ReplaceLaneName + "/lane=3",
body: replaceLane(wasm.OpcodeVecI32x4ReplaceLane, 3),
expected: NewOperationV128ReplaceLane(3, ShapeI32x4),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecI64x2ReplaceLaneName,
body: replaceLane(wasm.OpcodeVecI64x2ReplaceLane, 0),
expected: NewOperationV128ReplaceLane(0, ShapeI64x2),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecI64x2ReplaceLaneName + "/lane=1",
body: replaceLane(wasm.OpcodeVecI64x2ReplaceLane, 1),
expected: NewOperationV128ReplaceLane(1, ShapeI64x2),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecF32x4ReplaceLaneName,
body: replaceLane(wasm.OpcodeVecF32x4ReplaceLane, 0),
expected: NewOperationV128ReplaceLane(0, ShapeF32x4),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecF32x4ReplaceLaneName + "/lane=3",
body: replaceLane(wasm.OpcodeVecF32x4ReplaceLane, 3),
expected: NewOperationV128ReplaceLane(3, ShapeF32x4),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecF64x2ReplaceLaneName,
body: replaceLane(wasm.OpcodeVecF64x2ReplaceLane, 0),
expected: NewOperationV128ReplaceLane(0, ShapeF64x2),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecF64x2ReplaceLaneName + "/lane=1",
body: replaceLane(wasm.OpcodeVecF64x2ReplaceLane, 1),
expected: NewOperationV128ReplaceLane(1, ShapeF64x2),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecI8x16SplatName, body: splat(wasm.OpcodeVecI8x16Splat),
expected: NewOperationV128Splat(ShapeI8x16),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecI16x8SplatName, body: splat(wasm.OpcodeVecI16x8Splat),
expected: NewOperationV128Splat(ShapeI16x8),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecI32x4SplatName, body: splat(wasm.OpcodeVecI32x4Splat),
expected: NewOperationV128Splat(ShapeI32x4),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecI64x2SplatName, body: splat(wasm.OpcodeVecI64x2Splat),
expected: NewOperationV128Splat(ShapeI64x2),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecF32x4SplatName, body: splat(wasm.OpcodeVecF32x4Splat),
expected: NewOperationV128Splat(ShapeF32x4),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecF64x2SplatName, body: splat(wasm.OpcodeVecF64x2Splat),
expected: NewOperationV128Splat(ShapeF64x2),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecI8x16SwizzleName, body: vv2v(wasm.OpcodeVecI8x16Swizzle),
expected: NewOperationV128Swizzle(),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecV128i8x16ShuffleName, body: []byte{
wasm.OpcodeVecPrefix,
wasm.OpcodeVecV128Const, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
wasm.OpcodeVecPrefix,
wasm.OpcodeVecV128Const, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
wasm.OpcodeVecPrefix,
wasm.OpcodeVecV128i8x16Shuffle,
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
wasm.OpcodeDrop,
wasm.OpcodeEnd,
},
expected: NewOperationV128Shuffle([]uint64{
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
}),
needDropBeforeReturn: true,
},
{
name: wasm.OpcodeVecV128NotName, body: v2v(wasm.OpcodeVecV128Not),
needDropBeforeReturn: true,
expected: NewOperationV128Not(),
},
{
name: wasm.OpcodeVecV128AndName, body: vv2v(wasm.OpcodeVecV128And),
needDropBeforeReturn: true,
expected: NewOperationV128And(),
},
{
name: wasm.OpcodeVecV128AndNotName, body: vv2v(wasm.OpcodeVecV128AndNot),
needDropBeforeReturn: true,
expected: NewOperationV128AndNot(),
},
{
name: wasm.OpcodeVecV128OrName, body: vv2v(wasm.OpcodeVecV128Or),
needDropBeforeReturn: true,
expected: NewOperationV128Or(),
},
{
name: wasm.OpcodeVecV128XorName, body: vv2v(wasm.OpcodeVecV128Xor),
needDropBeforeReturn: true,
expected: NewOperationV128Xor(),
},
{
name: wasm.OpcodeVecV128BitselectName, body: vvv2v(wasm.OpcodeVecV128Bitselect),
needDropBeforeReturn: true,
expected: NewOperationV128Bitselect(),
},
{
name: wasm.OpcodeVecI8x16ShlName, body: vi2v(wasm.OpcodeVecI8x16Shl),
needDropBeforeReturn: true,
expected: NewOperationV128Shl(ShapeI8x16),
},
{
name: wasm.OpcodeVecI8x16ShrSName, body: vi2v(wasm.OpcodeVecI8x16ShrS),
needDropBeforeReturn: true,
expected: NewOperationV128Shr(ShapeI8x16, true),
},
{
name: wasm.OpcodeVecI8x16ShrUName, body: vi2v(wasm.OpcodeVecI8x16ShrU),
needDropBeforeReturn: true,
expected: NewOperationV128Shr(ShapeI8x16, false),
},
{
name: wasm.OpcodeVecI16x8ShlName, body: vi2v(wasm.OpcodeVecI16x8Shl),
needDropBeforeReturn: true,
expected: NewOperationV128Shl(ShapeI16x8),
},
{
name: wasm.OpcodeVecI16x8ShrSName, body: vi2v(wasm.OpcodeVecI16x8ShrS),
needDropBeforeReturn: true,
expected: NewOperationV128Shr(ShapeI16x8, true),
},
{
name: wasm.OpcodeVecI16x8ShrUName, body: vi2v(wasm.OpcodeVecI16x8ShrU),
needDropBeforeReturn: true,
expected: NewOperationV128Shr(ShapeI16x8, false),
},
{
name: wasm.OpcodeVecI32x4ShlName, body: vi2v(wasm.OpcodeVecI32x4Shl),
needDropBeforeReturn: true,
expected: NewOperationV128Shl(ShapeI32x4),
},
{
name: wasm.OpcodeVecI32x4ShrSName, body: vi2v(wasm.OpcodeVecI32x4ShrS),
needDropBeforeReturn: true,
expected: NewOperationV128Shr(ShapeI32x4, true),
},
{
name: wasm.OpcodeVecI32x4ShrUName, body: vi2v(wasm.OpcodeVecI32x4ShrU),
needDropBeforeReturn: true,
expected: NewOperationV128Shr(ShapeI32x4, false),
},
{
name: wasm.OpcodeVecI64x2ShlName, body: vi2v(wasm.OpcodeVecI64x2Shl),
needDropBeforeReturn: true,
expected: NewOperationV128Shl(ShapeI64x2),
},
{
name: wasm.OpcodeVecI64x2ShrSName, body: vi2v(wasm.OpcodeVecI64x2ShrS),
needDropBeforeReturn: true,
expected: NewOperationV128Shr(ShapeI64x2, true),
},
{
name: wasm.OpcodeVecI64x2ShrUName, body: vi2v(wasm.OpcodeVecI64x2ShrU),
needDropBeforeReturn: true,
expected: NewOperationV128Shr(ShapeI64x2, false),
},
{
name: wasm.OpcodeVecI8x16EqName, body: vv2v(wasm.OpcodeVecI8x16Eq),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI8x16Eq),
},
{
name: wasm.OpcodeVecI8x16NeName, body: vv2v(wasm.OpcodeVecI8x16Ne),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI8x16Ne),
},
{
name: wasm.OpcodeVecI8x16LtSName, body: vv2v(wasm.OpcodeVecI8x16LtS),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI8x16LtS),
},
{
name: wasm.OpcodeVecI8x16LtUName, body: vv2v(wasm.OpcodeVecI8x16LtU),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI8x16LtU),
},
{
name: wasm.OpcodeVecI8x16GtSName, body: vv2v(wasm.OpcodeVecI8x16GtS),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI8x16GtS),
},
{
name: wasm.OpcodeVecI8x16GtUName, body: vv2v(wasm.OpcodeVecI8x16GtU),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI8x16GtU),
},
{
name: wasm.OpcodeVecI8x16LeSName, body: vv2v(wasm.OpcodeVecI8x16LeS),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI8x16LeS),
},
{
name: wasm.OpcodeVecI8x16LeUName, body: vv2v(wasm.OpcodeVecI8x16LeU),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI8x16LeU),
},
{
name: wasm.OpcodeVecI8x16GeSName, body: vv2v(wasm.OpcodeVecI8x16GeS),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI8x16GeS),
},
{
name: wasm.OpcodeVecI8x16GeUName, body: vv2v(wasm.OpcodeVecI8x16GeU),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI8x16GeU),
},
{
name: wasm.OpcodeVecI16x8EqName, body: vv2v(wasm.OpcodeVecI16x8Eq),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI16x8Eq),
},
{
name: wasm.OpcodeVecI16x8NeName, body: vv2v(wasm.OpcodeVecI16x8Ne),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI16x8Ne),
},
{
name: wasm.OpcodeVecI16x8LtSName, body: vv2v(wasm.OpcodeVecI16x8LtS),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI16x8LtS),
},
{
name: wasm.OpcodeVecI16x8LtUName, body: vv2v(wasm.OpcodeVecI16x8LtU),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI16x8LtU),
},
{
name: wasm.OpcodeVecI16x8GtSName, body: vv2v(wasm.OpcodeVecI16x8GtS),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI16x8GtS),
},
{
name: wasm.OpcodeVecI16x8GtUName, body: vv2v(wasm.OpcodeVecI16x8GtU),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI16x8GtU),
},
{
name: wasm.OpcodeVecI16x8LeSName, body: vv2v(wasm.OpcodeVecI16x8LeS),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI16x8LeS),
},
{
name: wasm.OpcodeVecI16x8LeUName, body: vv2v(wasm.OpcodeVecI16x8LeU),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI16x8LeU),
},
{
name: wasm.OpcodeVecI16x8GeSName, body: vv2v(wasm.OpcodeVecI16x8GeS),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI16x8GeS),
},
{
name: wasm.OpcodeVecI16x8GeUName, body: vv2v(wasm.OpcodeVecI16x8GeU),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI16x8GeU),
},
{
name: wasm.OpcodeVecI32x4EqName, body: vv2v(wasm.OpcodeVecI32x4Eq),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI32x4Eq),
},
{
name: wasm.OpcodeVecI32x4NeName, body: vv2v(wasm.OpcodeVecI32x4Ne),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI32x4Ne),
},
{
name: wasm.OpcodeVecI32x4LtSName, body: vv2v(wasm.OpcodeVecI32x4LtS),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI32x4LtS),
},
{
name: wasm.OpcodeVecI32x4LtUName, body: vv2v(wasm.OpcodeVecI32x4LtU),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI32x4LtU),
},
{
name: wasm.OpcodeVecI32x4GtSName, body: vv2v(wasm.OpcodeVecI32x4GtS),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI32x4GtS),
},
{
name: wasm.OpcodeVecI32x4GtUName, body: vv2v(wasm.OpcodeVecI32x4GtU),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI32x4GtU),
},
{
name: wasm.OpcodeVecI32x4LeSName, body: vv2v(wasm.OpcodeVecI32x4LeS),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI32x4LeS),
},
{
name: wasm.OpcodeVecI32x4LeUName, body: vv2v(wasm.OpcodeVecI32x4LeU),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI32x4LeU),
},
{
name: wasm.OpcodeVecI32x4GeSName, body: vv2v(wasm.OpcodeVecI32x4GeS),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI32x4GeS),
},
{
name: wasm.OpcodeVecI32x4GeUName, body: vv2v(wasm.OpcodeVecI32x4GeU),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI32x4GeU),
},
{
name: wasm.OpcodeVecI64x2EqName, body: vv2v(wasm.OpcodeVecI64x2Eq),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI64x2Eq),
},
{
name: wasm.OpcodeVecI64x2NeName, body: vv2v(wasm.OpcodeVecI64x2Ne),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI64x2Ne),
},
{
name: wasm.OpcodeVecI64x2LtSName, body: vv2v(wasm.OpcodeVecI64x2LtS),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI64x2LtS),
},
{
name: wasm.OpcodeVecI64x2GtSName, body: vv2v(wasm.OpcodeVecI64x2GtS),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI64x2GtS),
},
{
name: wasm.OpcodeVecI64x2LeSName, body: vv2v(wasm.OpcodeVecI64x2LeS),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI64x2LeS),
},
{
name: wasm.OpcodeVecI64x2GeSName, body: vv2v(wasm.OpcodeVecI64x2GeS),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeI64x2GeS),
},
{
name: wasm.OpcodeVecF32x4EqName, body: vv2v(wasm.OpcodeVecF32x4Eq),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeF32x4Eq),
},
{
name: wasm.OpcodeVecF32x4NeName, body: vv2v(wasm.OpcodeVecF32x4Ne),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeF32x4Ne),
},
{
name: wasm.OpcodeVecF32x4LtName, body: vv2v(wasm.OpcodeVecF32x4Lt),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeF32x4Lt),
},
{
name: wasm.OpcodeVecF32x4GtName, body: vv2v(wasm.OpcodeVecF32x4Gt),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeF32x4Gt),
},
{
name: wasm.OpcodeVecF32x4LeName, body: vv2v(wasm.OpcodeVecF32x4Le),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeF32x4Le),
},
{
name: wasm.OpcodeVecF32x4GeName, body: vv2v(wasm.OpcodeVecF32x4Ge),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeF32x4Ge),
},
{
name: wasm.OpcodeVecF64x2EqName, body: vv2v(wasm.OpcodeVecF64x2Eq),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeF64x2Eq),
},
{
name: wasm.OpcodeVecF64x2NeName, body: vv2v(wasm.OpcodeVecF64x2Ne),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeF64x2Ne),
},
{
name: wasm.OpcodeVecF64x2LtName, body: vv2v(wasm.OpcodeVecF64x2Lt),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeF64x2Lt),
},
{
name: wasm.OpcodeVecF64x2GtName, body: vv2v(wasm.OpcodeVecF64x2Gt),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeF64x2Gt),
},
{
name: wasm.OpcodeVecF64x2LeName, body: vv2v(wasm.OpcodeVecF64x2Le),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeF64x2Le),
},
{
name: wasm.OpcodeVecF64x2GeName, body: vv2v(wasm.OpcodeVecF64x2Ge),
needDropBeforeReturn: true,
expected: NewOperationV128Cmp(V128CmpTypeF64x2Ge),
},
{
name: wasm.OpcodeVecI8x16AllTrueName, body: v2v(wasm.OpcodeVecI8x16AllTrue),
needDropBeforeReturn: true,
expected: NewOperationV128AllTrue(ShapeI8x16),
},
{
name: wasm.OpcodeVecI16x8AllTrueName, body: v2v(wasm.OpcodeVecI16x8AllTrue),
needDropBeforeReturn: true,
expected: NewOperationV128AllTrue(ShapeI16x8),
},
{
name: wasm.OpcodeVecI32x4AllTrueName, body: v2v(wasm.OpcodeVecI32x4AllTrue),
needDropBeforeReturn: true,
expected: NewOperationV128AllTrue(ShapeI32x4),
},
{
name: wasm.OpcodeVecI64x2AllTrueName, body: v2v(wasm.OpcodeVecI64x2AllTrue),
needDropBeforeReturn: true,
expected: NewOperationV128AllTrue(ShapeI64x2),
},
{
name: wasm.OpcodeVecI8x16BitMaskName, body: v2v(wasm.OpcodeVecI8x16BitMask),
needDropBeforeReturn: true, expected: NewOperationV128BitMask(ShapeI8x16),
},
{
name: wasm.OpcodeVecI16x8BitMaskName, body: v2v(wasm.OpcodeVecI16x8BitMask),
needDropBeforeReturn: true, expected: NewOperationV128BitMask(ShapeI16x8),
},
{
name: wasm.OpcodeVecI32x4BitMaskName, body: v2v(wasm.OpcodeVecI32x4BitMask),
needDropBeforeReturn: true, expected: NewOperationV128BitMask(ShapeI32x4),
},
{
name: wasm.OpcodeVecI64x2BitMaskName, body: v2v(wasm.OpcodeVecI64x2BitMask),
needDropBeforeReturn: true, expected: NewOperationV128BitMask(ShapeI64x2),
},
{
name: wasm.OpcodeVecV128AnyTrueName, body: v2v(wasm.OpcodeVecV128AnyTrue),
needDropBeforeReturn: true,
expected: NewOperationV128AnyTrue(),
},
{
name: wasm.OpcodeVecI8x16AddName, body: vv2v(wasm.OpcodeVecI8x16Add),
needDropBeforeReturn: true,
expected: NewOperationV128Add(ShapeI8x16),
},
{
name: wasm.OpcodeVecI8x16AddSatSName, body: vv2v(wasm.OpcodeVecI8x16AddSatS),
needDropBeforeReturn: true,
expected: NewOperationV128AddSat(ShapeI8x16, true),
},
{
name: wasm.OpcodeVecI8x16AddSatUName, body: vv2v(wasm.OpcodeVecI8x16AddSatU),
needDropBeforeReturn: true,
expected: NewOperationV128AddSat(ShapeI8x16, false),
},
{
name: wasm.OpcodeVecI8x16SubName, body: vv2v(wasm.OpcodeVecI8x16Sub),
needDropBeforeReturn: true,
expected: NewOperationV128Sub(ShapeI8x16),
},
{
name: wasm.OpcodeVecI8x16SubSatSName, body: vv2v(wasm.OpcodeVecI8x16SubSatS),
needDropBeforeReturn: true,
expected: NewOperationV128SubSat(ShapeI8x16, true),
},
{
name: wasm.OpcodeVecI8x16SubSatUName, body: vv2v(wasm.OpcodeVecI8x16SubSatU),
needDropBeforeReturn: true,
expected: NewOperationV128SubSat(ShapeI8x16, false),
},
{
name: wasm.OpcodeVecI16x8AddName, body: vv2v(wasm.OpcodeVecI16x8Add),
needDropBeforeReturn: true,
expected: NewOperationV128Add(ShapeI16x8),
},
{
name: wasm.OpcodeVecI16x8AddSatSName, body: vv2v(wasm.OpcodeVecI16x8AddSatS),
needDropBeforeReturn: true,
expected: NewOperationV128AddSat(ShapeI16x8, true),
},
{
name: wasm.OpcodeVecI16x8AddSatUName, body: vv2v(wasm.OpcodeVecI16x8AddSatU),
needDropBeforeReturn: true,
expected: NewOperationV128AddSat(ShapeI16x8, false),
},
{
name: wasm.OpcodeVecI16x8SubName, body: vv2v(wasm.OpcodeVecI16x8Sub),
needDropBeforeReturn: true,
expected: NewOperationV128Sub(ShapeI16x8),
},
{
name: wasm.OpcodeVecI16x8SubSatSName, body: vv2v(wasm.OpcodeVecI16x8SubSatS),
needDropBeforeReturn: true,
expected: NewOperationV128SubSat(ShapeI16x8, true),
},
{
name: wasm.OpcodeVecI16x8SubSatUName, body: vv2v(wasm.OpcodeVecI16x8SubSatU),
needDropBeforeReturn: true,
expected: NewOperationV128SubSat(ShapeI16x8, false),
},
{
name: wasm.OpcodeVecI16x8MulName, body: vv2v(wasm.OpcodeVecI16x8Mul),
needDropBeforeReturn: true,
expected: NewOperationV128Mul(ShapeI16x8),
},
{
name: wasm.OpcodeVecI32x4AddName, body: vv2v(wasm.OpcodeVecI32x4Add),
needDropBeforeReturn: true,
expected: NewOperationV128Add(ShapeI32x4),
},
{
name: wasm.OpcodeVecI32x4SubName, body: vv2v(wasm.OpcodeVecI32x4Sub),
needDropBeforeReturn: true,
expected: NewOperationV128Sub(ShapeI32x4),
},
{
name: wasm.OpcodeVecI32x4MulName, body: vv2v(wasm.OpcodeVecI32x4Mul),
needDropBeforeReturn: true,
expected: NewOperationV128Mul(ShapeI32x4),
},
{
name: wasm.OpcodeVecI64x2AddName, body: vv2v(wasm.OpcodeVecI64x2Add),
needDropBeforeReturn: true,
expected: NewOperationV128Add(ShapeI64x2),
},
{
name: wasm.OpcodeVecI64x2SubName, body: vv2v(wasm.OpcodeVecI64x2Sub),
needDropBeforeReturn: true,
expected: NewOperationV128Sub(ShapeI64x2),
},
{
name: wasm.OpcodeVecI64x2MulName, body: vv2v(wasm.OpcodeVecI64x2Mul),
needDropBeforeReturn: true,
expected: NewOperationV128Mul(ShapeI64x2),
},
{
name: wasm.OpcodeVecF32x4AddName, body: vv2v(wasm.OpcodeVecF32x4Add),
needDropBeforeReturn: true,
expected: NewOperationV128Add(ShapeF32x4),
},
{
name: wasm.OpcodeVecF32x4SubName, body: vv2v(wasm.OpcodeVecF32x4Sub),
needDropBeforeReturn: true,
expected: NewOperationV128Sub(ShapeF32x4),
},
{
name: wasm.OpcodeVecF32x4MulName, body: vv2v(wasm.OpcodeVecF32x4Mul),
needDropBeforeReturn: true,
expected: NewOperationV128Mul(ShapeF32x4),
},
{
name: wasm.OpcodeVecF32x4DivName, body: vv2v(wasm.OpcodeVecF32x4Div),
needDropBeforeReturn: true,
expected: NewOperationV128Div(ShapeF32x4),
},
{
name: wasm.OpcodeVecF64x2AddName, body: vv2v(wasm.OpcodeVecF64x2Add),
needDropBeforeReturn: true,
expected: NewOperationV128Add(ShapeF64x2),
},
{
name: wasm.OpcodeVecF64x2SubName, body: vv2v(wasm.OpcodeVecF64x2Sub),
needDropBeforeReturn: true,
expected: NewOperationV128Sub(ShapeF64x2),
},
{
name: wasm.OpcodeVecF64x2MulName, body: vv2v(wasm.OpcodeVecF64x2Mul),
needDropBeforeReturn: true,
expected: NewOperationV128Mul(ShapeF64x2),
},
{
name: wasm.OpcodeVecF64x2DivName, body: vv2v(wasm.OpcodeVecF64x2Div),
needDropBeforeReturn: true,
expected: NewOperationV128Div(ShapeF64x2),
},
{
name: wasm.OpcodeVecI8x16MinSName, body: vv2v(wasm.OpcodeVecI8x16MinS),
needDropBeforeReturn: true,
expected: NewOperationV128Min(ShapeI8x16, true),
},
{
name: wasm.OpcodeVecI8x16MinUName, body: vv2v(wasm.OpcodeVecI8x16MinU),
needDropBeforeReturn: true,
expected: NewOperationV128Min(ShapeI8x16, false),
},
{
name: wasm.OpcodeVecI8x16MaxSName, body: vv2v(wasm.OpcodeVecI8x16MaxS),
needDropBeforeReturn: true,
expected: NewOperationV128Max(ShapeI8x16, true),
},
{
name: wasm.OpcodeVecI8x16MaxUName, body: vv2v(wasm.OpcodeVecI8x16MaxU),
needDropBeforeReturn: true,
expected: NewOperationV128Max(ShapeI8x16, false),
},
{
name: wasm.OpcodeVecI8x16AvgrUName, body: vv2v(wasm.OpcodeVecI8x16AvgrU),
needDropBeforeReturn: true,
expected: NewOperationV128AvgrU(ShapeI8x16),
},
{
name: wasm.OpcodeVecI16x8MinSName, body: vv2v(wasm.OpcodeVecI16x8MinS),
needDropBeforeReturn: true,
expected: NewOperationV128Min(ShapeI16x8, true),
},
{
name: wasm.OpcodeVecI16x8MinUName, body: vv2v(wasm.OpcodeVecI16x8MinU),
needDropBeforeReturn: true,
expected: NewOperationV128Min(ShapeI16x8, false),
},
{
name: wasm.OpcodeVecI16x8MaxSName, body: vv2v(wasm.OpcodeVecI16x8MaxS),
needDropBeforeReturn: true,
expected: NewOperationV128Max(ShapeI16x8, true),
},
{
name: wasm.OpcodeVecI16x8MaxUName, body: vv2v(wasm.OpcodeVecI16x8MaxU),
needDropBeforeReturn: true,
expected: NewOperationV128Max(ShapeI16x8, false),
},
{
name: wasm.OpcodeVecI16x8AvgrUName, body: vv2v(wasm.OpcodeVecI16x8AvgrU),
needDropBeforeReturn: true,
expected: NewOperationV128AvgrU(ShapeI16x8),
},
{
name: wasm.OpcodeVecI32x4MinSName, body: vv2v(wasm.OpcodeVecI32x4MinS),
needDropBeforeReturn: true,
expected: NewOperationV128Min(ShapeI32x4, true),
},
{
name: wasm.OpcodeVecI32x4MinUName, body: vv2v(wasm.OpcodeVecI32x4MinU),
needDropBeforeReturn: true,
expected: NewOperationV128Min(ShapeI32x4, false),
},
{
name: wasm.OpcodeVecI32x4MaxSName, body: vv2v(wasm.OpcodeVecI32x4MaxS),
needDropBeforeReturn: true,
expected: NewOperationV128Max(ShapeI32x4, true),
},
{
name: wasm.OpcodeVecI32x4MaxUName, body: vv2v(wasm.OpcodeVecI32x4MaxU),
needDropBeforeReturn: true,
expected: NewOperationV128Max(ShapeI32x4, false),
},
{
name: wasm.OpcodeVecF32x4MinName, body: vv2v(wasm.OpcodeVecF32x4Min),
needDropBeforeReturn: true,
expected: NewOperationV128Min(ShapeF32x4, false),
},
{
name: wasm.OpcodeVecF32x4MaxName, body: vv2v(wasm.OpcodeVecF32x4Max),
needDropBeforeReturn: true,
expected: NewOperationV128Max(ShapeF32x4, false),
},
{
name: wasm.OpcodeVecF64x2MinName, body: vv2v(wasm.OpcodeVecF64x2Min),
needDropBeforeReturn: true,
expected: NewOperationV128Min(ShapeF64x2, false),
},
{
name: wasm.OpcodeVecF64x2MaxName, body: vv2v(wasm.OpcodeVecF64x2Max),
needDropBeforeReturn: true,
expected: NewOperationV128Max(ShapeF64x2, false),
},
{
name: wasm.OpcodeVecI8x16AbsName, body: v2v(wasm.OpcodeVecI8x16Abs),
needDropBeforeReturn: true,
expected: NewOperationV128Abs(ShapeI8x16),
},
{
name: wasm.OpcodeVecI8x16PopcntName, body: v2v(wasm.OpcodeVecI8x16Popcnt),
needDropBeforeReturn: true,
expected: NewOperationV128Popcnt(ShapeI8x16),
},
{
name: wasm.OpcodeVecI16x8AbsName, body: v2v(wasm.OpcodeVecI16x8Abs),
needDropBeforeReturn: true,
expected: NewOperationV128Abs(ShapeI16x8),
},
{
name: wasm.OpcodeVecI32x4AbsName, body: v2v(wasm.OpcodeVecI32x4Abs),
needDropBeforeReturn: true,
expected: NewOperationV128Abs(ShapeI32x4),
},
{
name: wasm.OpcodeVecI64x2AbsName, body: v2v(wasm.OpcodeVecI64x2Abs),
needDropBeforeReturn: true,
expected: NewOperationV128Abs(ShapeI64x2),
},
{
name: wasm.OpcodeVecF32x4AbsName, body: v2v(wasm.OpcodeVecF32x4Abs),
needDropBeforeReturn: true,
expected: NewOperationV128Abs(ShapeF32x4),
},
{
name: wasm.OpcodeVecF64x2AbsName, body: v2v(wasm.OpcodeVecF64x2Abs),
needDropBeforeReturn: true,
expected: NewOperationV128Abs(ShapeF64x2),
},
{
name: wasm.OpcodeVecF32x4CeilName, body: v2v(wasm.OpcodeVecF32x4Ceil),
needDropBeforeReturn: true,
expected: NewOperationV128Ceil(ShapeF32x4),
},
{
name: wasm.OpcodeVecF32x4FloorName, body: v2v(wasm.OpcodeVecF32x4Floor),
needDropBeforeReturn: true,
expected: NewOperationV128Floor(ShapeF32x4),
},
{
name: wasm.OpcodeVecF32x4TruncName, body: v2v(wasm.OpcodeVecF32x4Trunc),
needDropBeforeReturn: true,
expected: NewOperationV128Trunc(ShapeF32x4),
},
{
name: wasm.OpcodeVecF32x4NearestName, body: v2v(wasm.OpcodeVecF32x4Nearest),
needDropBeforeReturn: true,
expected: NewOperationV128Nearest(ShapeF32x4),
},
{
name: wasm.OpcodeVecF64x2CeilName, body: v2v(wasm.OpcodeVecF64x2Ceil),
needDropBeforeReturn: true,
expected: NewOperationV128Ceil(ShapeF64x2),
},
{
name: wasm.OpcodeVecF64x2FloorName, body: v2v(wasm.OpcodeVecF64x2Floor),
needDropBeforeReturn: true,
expected: NewOperationV128Floor(ShapeF64x2),
},
{
name: wasm.OpcodeVecF64x2TruncName, body: v2v(wasm.OpcodeVecF64x2Trunc),
needDropBeforeReturn: true,
expected: NewOperationV128Trunc(ShapeF64x2),
},
{
name: wasm.OpcodeVecF64x2NearestName, body: v2v(wasm.OpcodeVecF64x2Nearest),
needDropBeforeReturn: true,
expected: NewOperationV128Nearest(ShapeF64x2),
},
{
name: wasm.OpcodeVecF32x4PminName, body: vv2v(wasm.OpcodeVecF32x4Pmin),
needDropBeforeReturn: true,
expected: NewOperationV128Pmin(ShapeF32x4),
},
{
name: wasm.OpcodeVecF32x4PmaxName, body: vv2v(wasm.OpcodeVecF32x4Pmax),
needDropBeforeReturn: true,
expected: NewOperationV128Pmax(ShapeF32x4),
},
{
name: wasm.OpcodeVecF64x2PminName, body: vv2v(wasm.OpcodeVecF64x2Pmin),
needDropBeforeReturn: true,
expected: NewOperationV128Pmin(ShapeF64x2),
},
{
name: wasm.OpcodeVecF64x2PmaxName, body: vv2v(wasm.OpcodeVecF64x2Pmax),
needDropBeforeReturn: true,
expected: NewOperationV128Pmax(ShapeF64x2),
},
{
name: wasm.OpcodeVecI16x8Q15mulrSatSName, body: vv2v(wasm.OpcodeVecI16x8Q15mulrSatS),
needDropBeforeReturn: true,
expected: NewOperationV128Q15mulrSatS(),
},
{
name: wasm.OpcodeVecI16x8ExtMulLowI8x16SName, body: vv2v(wasm.OpcodeVecI16x8ExtMulLowI8x16S),
needDropBeforeReturn: true,
expected: NewOperationV128ExtMul(ShapeI8x16, true, true),
},
{
name: wasm.OpcodeVecI16x8ExtMulHighI8x16SName, body: vv2v(wasm.OpcodeVecI16x8ExtMulHighI8x16S),
needDropBeforeReturn: true,
expected: NewOperationV128ExtMul(ShapeI8x16, true, false),
},
{
name: wasm.OpcodeVecI16x8ExtMulLowI8x16UName, body: vv2v(wasm.OpcodeVecI16x8ExtMulLowI8x16U),
needDropBeforeReturn: true,
expected: NewOperationV128ExtMul(ShapeI8x16, false, true),
},
{
name: wasm.OpcodeVecI16x8ExtMulHighI8x16UName, body: vv2v(wasm.OpcodeVecI16x8ExtMulHighI8x16U),
needDropBeforeReturn: true,
expected: NewOperationV128ExtMul(ShapeI8x16, false, false),
},
{
name: wasm.OpcodeVecI32x4ExtMulLowI16x8SName, body: vv2v(wasm.OpcodeVecI32x4ExtMulLowI16x8S),
needDropBeforeReturn: true,
expected: NewOperationV128ExtMul(ShapeI16x8, true, true),
},
{
name: wasm.OpcodeVecI32x4ExtMulHighI16x8SName, body: vv2v(wasm.OpcodeVecI32x4ExtMulHighI16x8S),
needDropBeforeReturn: true,
expected: NewOperationV128ExtMul(ShapeI16x8, true, false),
},
{
name: wasm.OpcodeVecI32x4ExtMulLowI16x8UName, body: vv2v(wasm.OpcodeVecI32x4ExtMulLowI16x8U),
needDropBeforeReturn: true,
expected: NewOperationV128ExtMul(ShapeI16x8, false, true),
},
{
name: wasm.OpcodeVecI32x4ExtMulHighI16x8UName, body: vv2v(wasm.OpcodeVecI32x4ExtMulHighI16x8U),
needDropBeforeReturn: true,
expected: NewOperationV128ExtMul(ShapeI16x8, false, false),
},
{
name: wasm.OpcodeVecI64x2ExtMulLowI32x4SName, body: vv2v(wasm.OpcodeVecI64x2ExtMulLowI32x4S),
needDropBeforeReturn: true,
expected: NewOperationV128ExtMul(ShapeI32x4, true, true),
},
{
name: wasm.OpcodeVecI64x2ExtMulHighI32x4SName, body: vv2v(wasm.OpcodeVecI64x2ExtMulHighI32x4S),
needDropBeforeReturn: true,
expected: NewOperationV128ExtMul(ShapeI32x4, true, false),
},
{
name: wasm.OpcodeVecI64x2ExtMulLowI32x4UName, body: vv2v(wasm.OpcodeVecI64x2ExtMulLowI32x4U),
needDropBeforeReturn: true,
expected: NewOperationV128ExtMul(ShapeI32x4, false, true),
},
{
name: wasm.OpcodeVecI64x2ExtMulHighI32x4UName, body: vv2v(wasm.OpcodeVecI64x2ExtMulHighI32x4U),
needDropBeforeReturn: true,
expected: NewOperationV128ExtMul(ShapeI32x4, false, false),
},
{
name: wasm.OpcodeVecI16x8ExtendLowI8x16SName, body: v2v(wasm.OpcodeVecI16x8ExtendLowI8x16S),
needDropBeforeReturn: true,
expected: NewOperationV128Extend(ShapeI8x16, true, true),
},
{
name: wasm.OpcodeVecI16x8ExtendHighI8x16SName, body: v2v(wasm.OpcodeVecI16x8ExtendHighI8x16S),
needDropBeforeReturn: true,
expected: NewOperationV128Extend(ShapeI8x16, true, false),
},
{
name: wasm.OpcodeVecI16x8ExtendLowI8x16UName, body: v2v(wasm.OpcodeVecI16x8ExtendLowI8x16U),
needDropBeforeReturn: true,
expected: NewOperationV128Extend(ShapeI8x16, false, true),
},
{
name: wasm.OpcodeVecI16x8ExtendHighI8x16UName, body: v2v(wasm.OpcodeVecI16x8ExtendHighI8x16U),
needDropBeforeReturn: true,
expected: NewOperationV128Extend(ShapeI8x16, false, false),
},
{
name: wasm.OpcodeVecI32x4ExtendLowI16x8SName, body: v2v(wasm.OpcodeVecI32x4ExtendLowI16x8S),
needDropBeforeReturn: true,
expected: NewOperationV128Extend(ShapeI16x8, true, true),
},
{
name: wasm.OpcodeVecI32x4ExtendHighI16x8SName, body: v2v(wasm.OpcodeVecI32x4ExtendHighI16x8S),
needDropBeforeReturn: true,
expected: NewOperationV128Extend(ShapeI16x8, true, false),
},
{
name: wasm.OpcodeVecI32x4ExtendLowI16x8UName, body: v2v(wasm.OpcodeVecI32x4ExtendLowI16x8U),
needDropBeforeReturn: true,
expected: NewOperationV128Extend(ShapeI16x8, false, true),
},
{
name: wasm.OpcodeVecI32x4ExtendHighI16x8UName, body: v2v(wasm.OpcodeVecI32x4ExtendHighI16x8U),
needDropBeforeReturn: true,
expected: NewOperationV128Extend(ShapeI16x8, false, false),
},
{
name: wasm.OpcodeVecI64x2ExtendLowI32x4SName, body: v2v(wasm.OpcodeVecI64x2ExtendLowI32x4S),
needDropBeforeReturn: true,
expected: NewOperationV128Extend(ShapeI32x4, true, true),
},
{
name: wasm.OpcodeVecI64x2ExtendHighI32x4SName, body: v2v(wasm.OpcodeVecI64x2ExtendHighI32x4S),
needDropBeforeReturn: true,
expected: NewOperationV128Extend(ShapeI32x4, true, false),
},
{
name: wasm.OpcodeVecI64x2ExtendLowI32x4UName, body: v2v(wasm.OpcodeVecI64x2ExtendLowI32x4U),
needDropBeforeReturn: true,
expected: NewOperationV128Extend(ShapeI32x4, false, true),
},
{
name: wasm.OpcodeVecI64x2ExtendHighI32x4UName, body: v2v(wasm.OpcodeVecI64x2ExtendHighI32x4U),
needDropBeforeReturn: true,
expected: NewOperationV128Extend(ShapeI32x4, false, false),
},
{
name: wasm.OpcodeVecI16x8ExtaddPairwiseI8x16SName, body: v2v(wasm.OpcodeVecI16x8ExtaddPairwiseI8x16S),
needDropBeforeReturn: true,
expected: NewOperationV128ExtAddPairwise(ShapeI8x16, true),
},
{
name: wasm.OpcodeVecI16x8ExtaddPairwiseI8x16UName, body: v2v(wasm.OpcodeVecI16x8ExtaddPairwiseI8x16U),
needDropBeforeReturn: true,
expected: NewOperationV128ExtAddPairwise(ShapeI8x16, false),
},
{
name: wasm.OpcodeVecI32x4ExtaddPairwiseI16x8SName, body: v2v(wasm.OpcodeVecI32x4ExtaddPairwiseI16x8S),
needDropBeforeReturn: true,
expected: NewOperationV128ExtAddPairwise(ShapeI16x8, true),
},
{
name: wasm.OpcodeVecI32x4ExtaddPairwiseI16x8UName, body: v2v(wasm.OpcodeVecI32x4ExtaddPairwiseI16x8U),
needDropBeforeReturn: true,
expected: NewOperationV128ExtAddPairwise(ShapeI16x8, false),
},
{
name: wasm.OpcodeVecF64x2PromoteLowF32x4ZeroName, body: v2v(wasm.OpcodeVecF64x2PromoteLowF32x4Zero),
needDropBeforeReturn: true,
expected: NewOperationV128FloatPromote(),
},
{
name: wasm.OpcodeVecF32x4DemoteF64x2ZeroName, body: v2v(wasm.OpcodeVecF32x4DemoteF64x2Zero),
needDropBeforeReturn: true,
expected: NewOperationV128FloatDemote(),
},
{
name: wasm.OpcodeVecF32x4ConvertI32x4SName, body: v2v(wasm.OpcodeVecF32x4ConvertI32x4S),
needDropBeforeReturn: true,
expected: NewOperationV128FConvertFromI(ShapeF32x4, true),
},
{
name: wasm.OpcodeVecF32x4ConvertI32x4UName, body: v2v(wasm.OpcodeVecF32x4ConvertI32x4U),
needDropBeforeReturn: true,
expected: NewOperationV128FConvertFromI(ShapeF32x4, false),
},
{
name: wasm.OpcodeVecF64x2ConvertLowI32x4SName, body: v2v(wasm.OpcodeVecF64x2ConvertLowI32x4S),
needDropBeforeReturn: true,
expected: NewOperationV128FConvertFromI(ShapeF64x2, true),
},
{
name: wasm.OpcodeVecF64x2ConvertLowI32x4UName, body: v2v(wasm.OpcodeVecF64x2ConvertLowI32x4U),
needDropBeforeReturn: true,
expected: NewOperationV128FConvertFromI(ShapeF64x2, false),
},
{
name: wasm.OpcodeVecI32x4DotI16x8SName, body: vv2v(wasm.OpcodeVecI32x4DotI16x8S),
needDropBeforeReturn: true,
expected: NewOperationV128Dot(),
},
{
name: wasm.OpcodeVecI8x16NarrowI16x8SName, body: vv2v(wasm.OpcodeVecI8x16NarrowI16x8S),
needDropBeforeReturn: true,
expected: NewOperationV128Narrow(ShapeI16x8, true),
},
{
name: wasm.OpcodeVecI8x16NarrowI16x8UName, body: vv2v(wasm.OpcodeVecI8x16NarrowI16x8U),
needDropBeforeReturn: true,
expected: NewOperationV128Narrow(ShapeI16x8, false),
},
{
name: wasm.OpcodeVecI16x8NarrowI32x4SName, body: vv2v(wasm.OpcodeVecI16x8NarrowI32x4S),
needDropBeforeReturn: true,
expected: NewOperationV128Narrow(ShapeI32x4, true),
},
{
name: wasm.OpcodeVecI16x8NarrowI32x4UName, body: vv2v(wasm.OpcodeVecI16x8NarrowI32x4U),
needDropBeforeReturn: true,
expected: NewOperationV128Narrow(ShapeI32x4, false),
},
{
name: wasm.OpcodeVecI32x4TruncSatF32x4SName, body: v2v(wasm.OpcodeVecI32x4TruncSatF32x4S),
needDropBeforeReturn: true,
expected: NewOperationV128ITruncSatFromF(ShapeF32x4, true),
},
{
name: wasm.OpcodeVecI32x4TruncSatF32x4UName, body: v2v(wasm.OpcodeVecI32x4TruncSatF32x4U),
needDropBeforeReturn: true,
expected: NewOperationV128ITruncSatFromF(ShapeF32x4, false),
},
{
name: wasm.OpcodeVecI32x4TruncSatF64x2SZeroName, body: v2v(wasm.OpcodeVecI32x4TruncSatF64x2SZero),
needDropBeforeReturn: true,
expected: NewOperationV128ITruncSatFromF(ShapeF64x2, true),
},
{
name: wasm.OpcodeVecI32x4TruncSatF64x2UZeroName, body: v2v(wasm.OpcodeVecI32x4TruncSatF64x2UZero),
needDropBeforeReturn: true,
expected: NewOperationV128ITruncSatFromF(ShapeF64x2, false),
},
}
for _, tt := range tests {
tc := tt
t.Run(tc.name, func(t *testing.T) {
module := &wasm.Module{
TypeSection: []wasm.FunctionType{v_v},
FunctionSection: []wasm.Index{0},
MemorySection: &wasm.Memory{},
CodeSection: []wasm.Code{{Body: tc.body}},
}
c, err := NewCompiler(api.CoreFeaturesV2, 0, module, false)
require.NoError(t, err)
res, err := c.Next()
require.NoError(t, err)
var actual UnionOperation
if tc.needDropBeforeReturn {
// If the drop operation is inserted, the target op exits at -3
// as the operations looks like: [... target, drop, br(to return)].
actual = res.Operations[len(res.Operations)-3]
} else {
// If the drop operation is not inserted, the target op exits at -2
// as the operations looks like: [... target, br(to return)].
actual = res.Operations[len(res.Operations)-2]
}
require.Equal(t, tc.expected, actual)
})
}
}
// TestCompile_unreachable_Br_BrIf_BrTable ensures that unreachable br/br_if/br_table instructions are correctly ignored.
func TestCompile_unreachable_Br_BrIf_BrTable(t *testing.T) {
tests := []struct {
name string
mod *wasm.Module
expected []UnionOperation
}{
{
name: "br",
mod: &wasm.Module{
TypeSection: []wasm.FunctionType{v_v},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{Body: []byte{
wasm.OpcodeBr, 0, // Return the function -> the followings are unreachable.
wasm.OpcodeBlock, 0,
wasm.OpcodeBr, 1,
wasm.OpcodeEnd, // End the block.
wasm.OpcodeEnd, // End the function.
}}},
},
expected: []UnionOperation{NewOperationBr(NewLabel(LabelKindReturn, 0))},
},
{
name: "br_if",
mod: &wasm.Module{
TypeSection: []wasm.FunctionType{v_v},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{Body: []byte{
wasm.OpcodeBr, 0, // Return the function -> the followings are unreachable.
wasm.OpcodeBlock, 0,
wasm.OpcodeI32Const, 1,
wasm.OpcodeBrIf, 1,
wasm.OpcodeEnd, // End the block.
wasm.OpcodeEnd, // End the function.
}}},
},
expected: []UnionOperation{NewOperationBr(NewLabel(LabelKindReturn, 0))},
},
{
name: "br_table",
mod: &wasm.Module{
TypeSection: []wasm.FunctionType{v_v},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{Body: []byte{
wasm.OpcodeBr, 0, // Return the function -> the followings are unreachable.
wasm.OpcodeBlock, 0,
wasm.OpcodeBrTable, 2, 2, 3,
wasm.OpcodeEnd, // End the block.
wasm.OpcodeEnd, // End the function.
}}},
},
expected: []UnionOperation{NewOperationBr(NewLabel(LabelKindReturn, 0))},
},
}
for _, tt := range tests {
tc := tt
t.Run(tc.name, func(t *testing.T) {
c, err := NewCompiler(api.CoreFeaturesV2, 0, tc.mod, false)
require.NoError(t, err)
actual, err := c.Next()
require.NoError(t, err)
require.Equal(t, tc.expected, actual.Operations)
})
}
}
// TestCompile_drop_vectors ensures that wasm.OpcodeDrop on vector values is correctly compiled,
// which is not covered by spectest.
func TestCompile_drop_vectors(t *testing.T) {
tests := []struct {
name string
mod *wasm.Module
expected []UnionOperation
}{
{
name: "basic",
mod: &wasm.Module{
TypeSection: []wasm.FunctionType{v_v},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{Body: []byte{
wasm.OpcodeVecPrefix,
wasm.OpcodeVecV128Const, 1, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0,
wasm.OpcodeDrop,
wasm.OpcodeEnd,
}}},
},
expected: []UnionOperation{
NewOperationV128Const(0x1, 0x2),
// InclusiveRange is the range in uint64 representation, so dropping a vector value on top
// should be translated as drop [0..1] inclusively.
NewOperationDrop(InclusiveRange{Start: 0, End: 1}),
NewOperationBr(NewLabel(LabelKindReturn, 0)),
},
},
}
for _, tt := range tests {
tc := tt
t.Run(tc.name, func(t *testing.T) {
c, err := NewCompiler(api.CoreFeaturesV2, 0, tc.mod, false)
require.NoError(t, err)
actual, err := c.Next()
require.NoError(t, err)
require.Equal(t, tc.expected, actual.Operations)
})
}
}
func TestCompile_select_vectors(t *testing.T) {
tests := []struct {
name string
mod *wasm.Module
expected []UnionOperation
}{
{
name: "non typed",
mod: &wasm.Module{
TypeSection: []wasm.FunctionType{v_v},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{Body: []byte{
wasm.OpcodeVecPrefix,
wasm.OpcodeVecV128Const, 1, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0,
wasm.OpcodeVecPrefix,
wasm.OpcodeVecV128Const, 3, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0,
wasm.OpcodeI32Const, 0,
wasm.OpcodeSelect,
wasm.OpcodeDrop,
wasm.OpcodeEnd,
}}},
FunctionDefinitionSection: []wasm.FunctionDefinition{{}},
},
expected: []UnionOperation{
NewOperationV128Const(0x1, 0x2),
NewOperationV128Const(0x3, 0x4),
NewOperationConstI32(0),
NewOperationSelect(true),
NewOperationDrop(InclusiveRange{Start: 0, End: 1}),
NewOperationBr(NewLabel(LabelKindReturn, 0)),
},
},
{
name: "typed",
mod: &wasm.Module{
TypeSection: []wasm.FunctionType{v_v},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{Body: []byte{
wasm.OpcodeVecPrefix,
wasm.OpcodeVecV128Const, 1, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0,
wasm.OpcodeVecPrefix,
wasm.OpcodeVecV128Const, 3, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0,
wasm.OpcodeI32Const, 0,
wasm.OpcodeTypedSelect, 0x1, wasm.ValueTypeV128,
wasm.OpcodeDrop,
wasm.OpcodeEnd,
}}},
FunctionDefinitionSection: []wasm.FunctionDefinition{{}},
},
expected: []UnionOperation{
NewOperationV128Const(0x1, 0x2),
NewOperationV128Const(0x3, 0x4),
NewOperationConstI32(0),
NewOperationSelect(true),
NewOperationDrop(InclusiveRange{Start: 0, End: 1}),
NewOperationBr(NewLabel(LabelKindReturn, 0)),
},
},
}
for _, tt := range tests {
tc := tt
t.Run(tc.name, func(t *testing.T) {
c, err := NewCompiler(api.CoreFeaturesV2, 0, tc.mod, false)
require.NoError(t, err)
actual, err := c.Next()
require.NoError(t, err)
require.Equal(t, tc.expected, actual.Operations)
})
}
}
func TestCompiler_initializeStack(t *testing.T) {
const v128 = wasm.ValueTypeV128
tests := []struct {
name string
sig *wasm.FunctionType
functionLocalTypes []wasm.ValueType
callFrameStackSizeInUint64 int
expLocalIndexToStackHeightInUint64 []int
}{
{
name: "no function local, args>results",
sig: &wasm.FunctionType{
Params: []wasm.ValueType{i32, f32},
Results: []wasm.ValueType{i32},
ParamNumInUint64: 2,
ResultNumInUint64: 1,
},
expLocalIndexToStackHeightInUint64: []int{0, 1},
},
{
name: "no function local, args=results",
sig: &wasm.FunctionType{
Params: []wasm.ValueType{i32},
Results: []wasm.ValueType{i32},
ParamNumInUint64: 1,
ResultNumInUint64: 1,
},
expLocalIndexToStackHeightInUint64: []int{0},
},
{
name: "no function local, args>results, with vector",
sig: &wasm.FunctionType{
Params: []wasm.ValueType{i32, v128, f32},
Results: []wasm.ValueType{i32},
ParamNumInUint64: 4,
ResultNumInUint64: 1,
},
expLocalIndexToStackHeightInUint64: []int{0, 1, 3},
},
{
name: "no function local, args<results",
sig: &wasm.FunctionType{
Params: []wasm.ValueType{},
Results: []wasm.ValueType{i32},
ParamNumInUint64: 0,
ResultNumInUint64: 1,
},
callFrameStackSizeInUint64: 4,
expLocalIndexToStackHeightInUint64: nil,
},
{
name: "no function local, args<results",
sig: &wasm.FunctionType{
Params: []wasm.ValueType{i32},
Results: []wasm.ValueType{i32, f32},
ParamNumInUint64: 1,
ResultNumInUint64: 2,
},
callFrameStackSizeInUint64: 4,
expLocalIndexToStackHeightInUint64: []int{0},
},
{
name: "no function local, args<results, with vector",
sig: &wasm.FunctionType{
Params: []wasm.ValueType{i32},
Results: []wasm.ValueType{i32, v128, f32},
ParamNumInUint64: 1,
ResultNumInUint64: 4,
},
callFrameStackSizeInUint64: 4,
expLocalIndexToStackHeightInUint64: []int{0},
},
// With function locals
{
name: "function locals, args>results",
sig: &wasm.FunctionType{
Params: []wasm.ValueType{i32, f32},
Results: []wasm.ValueType{i32},
ParamNumInUint64: 2,
ResultNumInUint64: 1,
},
functionLocalTypes: []wasm.ValueType{f64},
callFrameStackSizeInUint64: 4,
// [i32, f32, callframe.0, callframe.1, callframe.2, callframe.3, f64]
expLocalIndexToStackHeightInUint64: []int{
0,
1,
// Function local comes after call frame.
6,
},
},
{
name: "function locals, args>results, with vector",
sig: &wasm.FunctionType{
Params: []wasm.ValueType{i32, v128, f32},
Results: []wasm.ValueType{i32},
ParamNumInUint64: 4,
ResultNumInUint64: 1,
},
functionLocalTypes: []wasm.ValueType{v128, v128},
callFrameStackSizeInUint64: 4,
// [i32, v128.lo, v128.hi, f32, callframe.0, callframe.1, callframe.2, callframe.3, v128.lo, v128.hi, v128.lo, v128.hi]
expLocalIndexToStackHeightInUint64: []int{
0,
1,
3,
// Function local comes after call frame.
8,
10,
},
},
{
name: "function locals, args<results",
sig: &wasm.FunctionType{
Params: []wasm.ValueType{i32},
Results: []wasm.ValueType{i32, i32, i32, i32},
ParamNumInUint64: 1,
ResultNumInUint64: 4,
},
functionLocalTypes: []wasm.ValueType{f64},
callFrameStackSizeInUint64: 4,
// [i32, _, _, _, callframe.0, callframe.1, callframe.2, callframe.3, f64]
expLocalIndexToStackHeightInUint64: []int{0, 8},
},
{
name: "function locals, args<results with vector",
sig: &wasm.FunctionType{
Params: []wasm.ValueType{v128, f64},
Results: []wasm.ValueType{v128, i32, i32, v128},
ParamNumInUint64: 3,
ResultNumInUint64: 6,
},
functionLocalTypes: []wasm.ValueType{f64},
callFrameStackSizeInUint64: 4,
// [v128.lo, v128.hi, f64, _, _, _, callframe.0, callframe.1, callframe.2, callframe.3, f64]
expLocalIndexToStackHeightInUint64: []int{0, 2, 10},
},
}
for _, tc := range tests {
tc := tc
t.Run(tc.name, func(t *testing.T) {
c := &Compiler{
sig: tc.sig, localTypes: tc.functionLocalTypes,
callFrameStackSizeInUint64: tc.callFrameStackSizeInUint64,
}
c.initializeStack()
require.Equal(t, tc.expLocalIndexToStackHeightInUint64, c.localIndexToStackHeightInUint64)
})
}
}
func Test_ensureTermination(t *testing.T) {
for _, tc := range []struct {
ensureTermination bool
exp string
}{
{
ensureTermination: true,
exp: `.entrypoint
ConstI32 0x0
Br .L2
.L2
BuiltinFunctionCheckExitCode
ConstI32 0x1
BrIf .L2, .L3
.L3
ConstI32 0x1
Br .L4
.L4
BuiltinFunctionCheckExitCode
i32.Add
Drop 0..0
Br .return
`,
},
{
ensureTermination: false,
exp: `.entrypoint
ConstI32 0x0
Br .L2
.L2
ConstI32 0x1
BrIf .L2, .L3
.L3
ConstI32 0x1
Br .L4
.L4
i32.Add
Drop 0..0
Br .return
`,
},
} {
t.Run(fmt.Sprintf("%v", tc.ensureTermination), func(t *testing.T) {
mod := &wasm.Module{
TypeSection: []wasm.FunctionType{v_v},
FunctionSection: []wasm.Index{0},
CodeSection: []wasm.Code{{
Body: []byte{
wasm.OpcodeI32Const, 0,
wasm.OpcodeLoop, 0, wasm.OpcodeI32Const, 1, wasm.OpcodeBrIf, 0, wasm.OpcodeEnd,
wasm.OpcodeI32Const, 1,
wasm.OpcodeLoop, 0, wasm.OpcodeEnd,
wasm.OpcodeI32Add,
wasm.OpcodeDrop,
wasm.OpcodeEnd,
},
}},
}
c, err := NewCompiler(api.CoreFeaturesV2, 0, mod, tc.ensureTermination)
require.NoError(t, err)
actual, err := c.Next()
require.NoError(t, err)
require.Equal(t, tc.exp, Format(actual.Operations))
})
}
}