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// Copyright 2023 The Dawn & Tint Authors
//
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// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
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// 3. Neither the name of the copyright holder nor the names of its
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#include "src/tint/lang/spirv/writer/common/helper_test.h"
#include "src/tint/lang/core/ir/unary.h"
using namespace tint::core::number_suffixes; // NOLINT
namespace tint::spirv::writer {
namespace {
/// A parameterized test case.
struct UnaryTestCase {
/// The element type to test.
TestElementType type;
/// The unary operation.
core::UnaryOp op;
/// The expected SPIR-V instruction.
std::string spirv_inst;
/// The expected SPIR-V result type name.
std::string spirv_type_name;
};
using Arithmetic = SpirvWriterTestWithParam<UnaryTestCase>;
TEST_P(Arithmetic, Scalar) {
auto params = GetParam();
auto* arg = b.FunctionParam("arg", MakeScalarType(params.type));
auto* func = b.Function("foo", ty.void_());
func->SetParams({arg});
b.Append(func->Block(), [&] {
auto* result = b.Unary(params.op, MakeScalarType(params.type), arg);
b.Return(func);
mod.SetName(result, "result");
});
ASSERT_TRUE(Generate()) << Error() << output_;
EXPECT_INST("%result = " + params.spirv_inst + " %" + params.spirv_type_name + " %arg");
}
TEST_P(Arithmetic, Vector) {
auto params = GetParam();
auto* arg = b.FunctionParam("arg", MakeVectorType(params.type));
auto* func = b.Function("foo", ty.void_());
func->SetParams({arg});
b.Append(func->Block(), [&] {
auto* result = b.Unary(params.op, MakeVectorType(params.type), arg);
b.Return(func);
mod.SetName(result, "result");
});
ASSERT_TRUE(Generate()) << Error() << output_;
EXPECT_INST("%result = " + params.spirv_inst + " %v2" + params.spirv_type_name + " %arg");
}
INSTANTIATE_TEST_SUITE_P(
SpirvWriterTest_Unary,
Arithmetic,
testing::Values(UnaryTestCase{kI32, core::UnaryOp::kComplement, "OpNot", "int"},
UnaryTestCase{kU32, core::UnaryOp::kComplement, "OpNot", "uint"},
UnaryTestCase{kI32, core::UnaryOp::kNegation, "OpSNegate", "int"},
UnaryTestCase{kF32, core::UnaryOp::kNegation, "OpFNegate", "float"},
UnaryTestCase{kF16, core::UnaryOp::kNegation, "OpFNegate", "half"}));
} // namespace
} // namespace tint::spirv::writer