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// Copyright 2020 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "gmock/gmock.h"
#include "src/reader/spirv/function.h"
#include "src/reader/spirv/parser_impl_test_helper.h"
#include "src/reader/spirv/spirv_tools_helpers_test.h"
namespace tint {
namespace reader {
namespace spirv {
namespace {
using ::testing::Eq;
using ::testing::HasSubstr;
std::string Preamble() {
return R"(
OpCapability Shader
OpMemoryModel Logical Simple
OpEntryPoint Fragment %100 "main"
OpExecutionMode %100 OriginUpperLeft
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
%bool = OpTypeBool
%uint = OpTypeInt 32 0
%int = OpTypeInt 32 1
%float = OpTypeFloat 32
%true = OpConstantTrue %bool
%false = OpConstantFalse %bool
%v2bool = OpTypeVector %bool 2
%v2bool_t_f = OpConstantComposite %v2bool %true %false
%uint_10 = OpConstant %uint 10
%uint_20 = OpConstant %uint 20
%int_30 = OpConstant %int 30
%int_40 = OpConstant %int 40
%float_50 = OpConstant %float 50
%float_60 = OpConstant %float 60
%ptr_uint = OpTypePointer Function %uint
%ptr_int = OpTypePointer Function %int
%ptr_float = OpTypePointer Function %float
%v2uint = OpTypeVector %uint 2
%v2int = OpTypeVector %int 2
%v2float = OpTypeVector %float 2
%v2uint_10_20 = OpConstantComposite %v2uint %uint_10 %uint_20
%v2uint_20_10 = OpConstantComposite %v2uint %uint_20 %uint_10
%v2int_30_40 = OpConstantComposite %v2int %int_30 %int_40
%v2int_40_30 = OpConstantComposite %v2int %int_40 %int_30
%v2float_50_60 = OpConstantComposite %v2float %float_50 %float_60
%v2float_60_50 = OpConstantComposite %v2float %float_60 %float_50
)";
}
using SpvUnaryConversionTest = SpvParserTestBase<::testing::Test>;
TEST_F(SpvUnaryConversionTest, Bitcast_Scalar) {
const auto assembly = Preamble() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
%1 = OpBitcast %uint %float_50
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(100);
EXPECT_TRUE(fe.EmitBody()) << p->error();
EXPECT_THAT(ToString(p->builder(), fe.ast_body()), HasSubstr(R"(
VariableConst{
x_1
none
undefined
__u32
{
Bitcast[not set]<__u32>{
ScalarConstructor[not set]{50.000000}
}
}
})"));
}
TEST_F(SpvUnaryConversionTest, Bitcast_Vector) {
const auto assembly = Preamble() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
%1 = OpBitcast %v2float %v2uint_10_20
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(100);
EXPECT_TRUE(fe.EmitBody()) << p->error();
EXPECT_THAT(ToString(p->builder(), fe.ast_body()), HasSubstr(R"(
VariableConst{
x_1
none
undefined
__vec_2__f32
{
Bitcast[not set]<__vec_2__f32>{
TypeConstructor[not set]{
__vec_2__u32
ScalarConstructor[not set]{10u}
ScalarConstructor[not set]{20u}
}
}
}
})"));
}
TEST_F(SpvUnaryConversionTest, ConvertSToF_BadArg) {
const auto assembly = Preamble() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
%1 = OpConvertSToF %float %void
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(100);
EXPECT_FALSE(fe.EmitBody());
EXPECT_THAT(p->error(),
HasSubstr("unhandled expression for ID 2\n%2 = OpTypeVoid"));
}
TEST_F(SpvUnaryConversionTest, ConvertUToF_BadArg) {
const auto assembly = Preamble() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
%1 = OpConvertUToF %float %void
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(100);
EXPECT_FALSE(fe.EmitBody());
EXPECT_THAT(p->error(),
HasSubstr("unhandled expression for ID 2\n%2 = OpTypeVoid"));
}
TEST_F(SpvUnaryConversionTest, ConvertFToS_BadArg) {
const auto assembly = Preamble() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
%1 = OpConvertFToS %float %void
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(100);
EXPECT_FALSE(fe.EmitBody());
EXPECT_THAT(p->error(),
HasSubstr("unhandled expression for ID 2\n%2 = OpTypeVoid"));
}
TEST_F(SpvUnaryConversionTest, ConvertFToU_BadArg) {
const auto assembly = Preamble() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
%1 = OpConvertFToU %float %void
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(100);
EXPECT_FALSE(fe.EmitBody());
EXPECT_THAT(p->error(),
HasSubstr("unhandled expression for ID 2\n%2 = OpTypeVoid"));
}
TEST_F(SpvUnaryConversionTest, ConvertSToF_Scalar_BadArgType) {
const auto assembly = Preamble() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
%1 = OpConvertSToF %float %false
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(100);
EXPECT_FALSE(fe.EmitBody());
EXPECT_THAT(p->error(),
HasSubstr("operand for conversion to floating point must be "
"integral scalar or vector"));
}
TEST_F(SpvUnaryConversionTest, ConvertSToF_Vector_BadArgType) {
const auto assembly = Preamble() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
%1 = OpConvertSToF %v2float %v2bool_t_f
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(100);
EXPECT_FALSE(fe.EmitBody());
EXPECT_THAT(
p->error(),
HasSubstr("operand for conversion to floating point must be integral "
"scalar or vector"));
}
TEST_F(SpvUnaryConversionTest, ConvertSToF_Scalar_FromSigned) {
const auto assembly = Preamble() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
%30 = OpCopyObject %int %int_30
%1 = OpConvertSToF %float %30
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(100);
EXPECT_TRUE(fe.EmitBody()) << p->error();
EXPECT_THAT(ToString(p->builder(), fe.ast_body()), HasSubstr(R"(VariableConst{
x_1
none
undefined
__f32
{
TypeConstructor[not set]{
__f32
Identifier[not set]{x_30}
}
}
})"));
}
TEST_F(SpvUnaryConversionTest, ConvertSToF_Scalar_FromUnsigned) {
const auto assembly = Preamble() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
%30 = OpCopyObject %uint %uint_10
%1 = OpConvertSToF %float %30
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(100);
EXPECT_TRUE(fe.EmitBody()) << p->error();
EXPECT_THAT(ToString(p->builder(), fe.ast_body()), HasSubstr(R"(VariableConst{
x_1
none
undefined
__f32
{
TypeConstructor[not set]{
__f32
Bitcast[not set]<__i32>{
Identifier[not set]{x_30}
}
}
}
})"));
}
TEST_F(SpvUnaryConversionTest, ConvertSToF_Vector_FromSigned) {
const auto assembly = Preamble() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
%30 = OpCopyObject %v2int %v2int_30_40
%1 = OpConvertSToF %v2float %30
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(100);
EXPECT_TRUE(fe.EmitBody()) << p->error();
EXPECT_THAT(ToString(p->builder(), fe.ast_body()), HasSubstr(R"(VariableConst{
x_1
none
undefined
__vec_2__f32
{
TypeConstructor[not set]{
__vec_2__f32
Identifier[not set]{x_30}
}
}
})"));
}
TEST_F(SpvUnaryConversionTest, ConvertSToF_Vector_FromUnsigned) {
const auto assembly = Preamble() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
%30 = OpCopyObject %v2uint %v2uint_10_20
%1 = OpConvertSToF %v2float %30
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(100);
EXPECT_TRUE(fe.EmitBody()) << p->error();
EXPECT_THAT(ToString(p->builder(), fe.ast_body()), HasSubstr(R"(VariableConst{
x_1
none
undefined
__vec_2__f32
{
TypeConstructor[not set]{
__vec_2__f32
Bitcast[not set]<__vec_2__i32>{
Identifier[not set]{x_30}
}
}
}
})"));
}
TEST_F(SpvUnaryConversionTest, ConvertUToF_Scalar_BadArgType) {
const auto assembly = Preamble() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
%1 = OpConvertUToF %float %false
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(100);
EXPECT_FALSE(fe.EmitBody());
EXPECT_THAT(p->error(),
HasSubstr("operand for conversion to floating point must be "
"integral scalar or vector"));
}
TEST_F(SpvUnaryConversionTest, ConvertUToF_Vector_BadArgType) {
const auto assembly = Preamble() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
%1 = OpConvertUToF %v2float %v2bool_t_f
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(100);
EXPECT_FALSE(fe.EmitBody());
EXPECT_THAT(
p->error(),
HasSubstr("operand for conversion to floating point must be integral "
"scalar or vector"));
}
TEST_F(SpvUnaryConversionTest, ConvertUToF_Scalar_FromSigned) {
const auto assembly = Preamble() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
%30 = OpCopyObject %int %int_30
%1 = OpConvertUToF %float %30
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(100);
EXPECT_TRUE(fe.EmitBody()) << p->error();
EXPECT_THAT(ToString(p->builder(), fe.ast_body()), HasSubstr(R"(VariableConst{
x_1
none
undefined
__f32
{
TypeConstructor[not set]{
__f32
Bitcast[not set]<__u32>{
Identifier[not set]{x_30}
}
}
}
})"));
}
TEST_F(SpvUnaryConversionTest, ConvertUToF_Scalar_FromUnsigned) {
const auto assembly = Preamble() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
%30 = OpCopyObject %uint %uint_10
%1 = OpConvertUToF %float %30
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(100);
EXPECT_TRUE(fe.EmitBody()) << p->error();
EXPECT_THAT(ToString(p->builder(), fe.ast_body()), HasSubstr(R"(VariableConst{
x_1
none
undefined
__f32
{
TypeConstructor[not set]{
__f32
Identifier[not set]{x_30}
}
}
})"));
}
TEST_F(SpvUnaryConversionTest, ConvertUToF_Vector_FromSigned) {
const auto assembly = Preamble() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
%30 = OpCopyObject %v2int %v2int_30_40
%1 = OpConvertUToF %v2float %30
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(100);
EXPECT_TRUE(fe.EmitBody()) << p->error();
EXPECT_THAT(ToString(p->builder(), fe.ast_body()), HasSubstr(R"(VariableConst{
x_1
none
undefined
__vec_2__f32
{
TypeConstructor[not set]{
__vec_2__f32
Bitcast[not set]<__vec_2__u32>{
Identifier[not set]{x_30}
}
}
}
})"));
}
TEST_F(SpvUnaryConversionTest, ConvertUToF_Vector_FromUnsigned) {
const auto assembly = Preamble() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
%30 = OpCopyObject %v2uint %v2uint_10_20
%1 = OpConvertUToF %v2float %30
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(100);
EXPECT_TRUE(fe.EmitBody()) << p->error();
EXPECT_THAT(ToString(p->builder(), fe.ast_body()), HasSubstr(R"(VariableConst{
x_1
none
undefined
__vec_2__f32
{
TypeConstructor[not set]{
__vec_2__f32
Identifier[not set]{x_30}
}
}
})"));
}
TEST_F(SpvUnaryConversionTest, ConvertFToS_Scalar_BadArgType) {
const auto assembly = Preamble() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
%1 = OpConvertFToS %int %uint_10
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(100);
EXPECT_FALSE(fe.EmitBody());
EXPECT_THAT(
p->error(),
HasSubstr("operand for conversion to signed integer must be floating "
"point scalar or vector"));
}
TEST_F(SpvUnaryConversionTest, ConvertFToS_Vector_BadArgType) {
const auto assembly = Preamble() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
%1 = OpConvertFToS %v2float %v2bool_t_f
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(100);
EXPECT_FALSE(fe.EmitBody());
EXPECT_THAT(
p->error(),
HasSubstr("operand for conversion to signed integer must be floating "
"point scalar or vector"));
}
TEST_F(SpvUnaryConversionTest, ConvertFToS_Scalar_ToSigned) {
const auto assembly = Preamble() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
%30 = OpCopyObject %float %float_50
%1 = OpConvertFToS %int %30
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(100);
EXPECT_TRUE(fe.EmitBody()) << p->error();
EXPECT_THAT(ToString(p->builder(), fe.ast_body()), HasSubstr(R"(VariableConst{
x_1
none
undefined
__i32
{
TypeConstructor[not set]{
__i32
Identifier[not set]{x_30}
}
}
})"));
}
TEST_F(SpvUnaryConversionTest, ConvertFToS_Scalar_ToUnsigned) {
const auto assembly = Preamble() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
%30 = OpCopyObject %float %float_50
%1 = OpConvertFToS %uint %30
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(100);
EXPECT_TRUE(fe.EmitBody()) << p->error();
EXPECT_THAT(ToString(p->builder(), fe.ast_body()), HasSubstr(R"(VariableConst{
x_1
none
undefined
__u32
{
Bitcast[not set]<__u32>{
TypeConstructor[not set]{
__i32
Identifier[not set]{x_30}
}
}
}
})"));
}
TEST_F(SpvUnaryConversionTest, ConvertFToS_Vector_ToSigned) {
const auto assembly = Preamble() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
%30 = OpCopyObject %v2float %v2float_50_60
%1 = OpConvertFToS %v2int %30
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(100);
EXPECT_TRUE(fe.EmitBody()) << p->error();
EXPECT_THAT(ToString(p->builder(), fe.ast_body()), HasSubstr(R"(VariableConst{
x_1
none
undefined
__vec_2__i32
{
TypeConstructor[not set]{
__vec_2__i32
Identifier[not set]{x_30}
}
}
})"));
}
TEST_F(SpvUnaryConversionTest, ConvertFToS_Vector_ToUnsigned) {
const auto assembly = Preamble() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
%30 = OpCopyObject %v2float %v2float_50_60
%1 = OpConvertFToS %v2uint %30
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(100);
EXPECT_TRUE(fe.EmitBody()) << p->error();
EXPECT_THAT(ToString(p->builder(), fe.ast_body()), HasSubstr(R"(VariableConst{
x_1
none
undefined
__vec_2__u32
{
Bitcast[not set]<__vec_2__u32>{
TypeConstructor[not set]{
__vec_2__i32
Identifier[not set]{x_30}
}
}
}
})"));
}
TEST_F(SpvUnaryConversionTest, ConvertFToU_Scalar_BadArgType) {
const auto assembly = Preamble() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
%1 = OpConvertFToU %int %uint_10
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(100);
EXPECT_FALSE(fe.EmitBody());
EXPECT_THAT(
p->error(),
HasSubstr("operand for conversion to unsigned integer must be floating "
"point scalar or vector"));
}
TEST_F(SpvUnaryConversionTest, ConvertFToU_Vector_BadArgType) {
const auto assembly = Preamble() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
%1 = OpConvertFToU %v2float %v2bool_t_f
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(100);
EXPECT_FALSE(fe.EmitBody());
EXPECT_THAT(
p->error(),
HasSubstr("operand for conversion to unsigned integer must be floating "
"point scalar or vector"));
}
TEST_F(SpvUnaryConversionTest, ConvertFToU_Scalar_ToSigned_IsError) {
const auto assembly = Preamble() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
%30 = OpCopyObject %float %float_50
%1 = OpConvertFToU %int %30
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
EXPECT_FALSE(p->Parse());
EXPECT_FALSE(p->success());
EXPECT_THAT(p->error(), HasSubstr("Expected unsigned int scalar or vector "
"type as Result Type: ConvertFToU"));
}
TEST_F(SpvUnaryConversionTest, ConvertFToU_Scalar_ToUnsigned) {
const auto assembly = Preamble() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
%30 = OpCopyObject %float %float_50
%1 = OpConvertFToU %uint %30
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(100);
EXPECT_TRUE(fe.EmitBody()) << p->error();
EXPECT_THAT(ToString(p->builder(), fe.ast_body()), HasSubstr(R"(VariableConst{
x_1
none
undefined
__u32
{
TypeConstructor[not set]{
__u32
Identifier[not set]{x_30}
}
}
})"));
}
TEST_F(SpvUnaryConversionTest, ConvertFToU_Vector_ToSigned_IsError) {
const auto assembly = Preamble() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
%30 = OpCopyObject %v2float %v2float_50_60
%1 = OpConvertFToU %v2int %30
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
EXPECT_FALSE(p->Parse());
EXPECT_FALSE(p->success());
EXPECT_THAT(p->error(), HasSubstr("Expected unsigned int scalar or vector "
"type as Result Type: ConvertFToU"));
}
TEST_F(SpvUnaryConversionTest, ConvertFToU_Vector_ToUnsigned) {
const auto assembly = Preamble() + R"(
%100 = OpFunction %void None %voidfn
%entry = OpLabel
%30 = OpCopyObject %v2float %v2float_50_60
%1 = OpConvertFToU %v2uint %30
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(100);
EXPECT_TRUE(fe.EmitBody()) << p->error();
EXPECT_THAT(ToString(p->builder(), fe.ast_body()), HasSubstr(R"(VariableConst{
x_1
none
undefined
__vec_2__u32
{
TypeConstructor[not set]{
__vec_2__u32
Identifier[not set]{x_30}
}
}
})"));
}
TEST_F(SpvUnaryConversionTest, ConvertFToU_HoistedValue) {
// From crbug.com/tint/804
const auto assembly = Preamble() + R"(
%100 = OpFunction %void None %voidfn
%10 = OpLabel
OpBranch %30
%30 = OpLabel
OpLoopMerge %90 %80 None
OpBranchConditional %true %90 %40
%40 = OpLabel
OpSelectionMerge %50 None
OpBranchConditional %true %45 %50
%45 = OpLabel
; This value is hoisted
%600 = OpCopyObject %float %float_50
OpBranch %50
%50 = OpLabel
OpBranch %90
%80 = OpLabel ; unreachable continue target
%82 = OpConvertFToU %uint %600
OpBranch %30 ; backedge
%90 = OpLabel
OpReturn
OpFunctionEnd
)";
auto p = parser(test::Assemble(assembly));
ASSERT_TRUE(p->BuildAndParseInternalModuleExceptFunctions());
auto fe = p->function_emitter(100);
EXPECT_TRUE(fe.EmitBody()) << p->error();
EXPECT_THAT(ToString(p->builder(), fe.ast_body()), HasSubstr(R"(VariableConst{
x_82
none
undefined
__u32
{
TypeConstructor[not set]{
__u32
Identifier[not set]{x_600}
}
}
})"));
}
// TODO(dneto): OpSConvert // only if multiple widths
// TODO(dneto): OpUConvert // only if multiple widths
// TODO(dneto): OpFConvert // only if multiple widths
// TODO(dneto): OpQuantizeToF16 // only if f16 supported
// TODO(dneto): OpSatConvertSToU // Kernel (OpenCL), not in WebGPU
// TODO(dneto): OpSatConvertUToS // Kernel (OpenCL), not in WebGPU
} // namespace
} // namespace spirv
} // namespace reader
} // namespace tint