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// Copyright 2023 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 "src/tint/lang/spirv/writer/test_helper.h"
#include "src/tint/lang/core/ir/unary.h"
using namespace tint::number_suffixes; // NOLINT
namespace tint::writer::spirv {
namespace {
/// A parameterized test case.
struct UnaryTestCase {
/// The element type to test.
TestElementType type;
/// The unary operation.
enum ir::Unary::Kind kind;
/// 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.With(func->Block(), [&] {
auto* result = b.Unary(params.kind, 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.With(func->Block(), [&] {
auto* result = b.Unary(params.kind, 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, ir::Unary::Kind::kComplement, "OpNot", "int"},
UnaryTestCase{kU32, ir::Unary::Kind::kComplement, "OpNot", "uint"},
UnaryTestCase{kI32, ir::Unary::Kind::kNegation, "OpSNegate", "int"},
UnaryTestCase{kF32, ir::Unary::Kind::kNegation, "OpFNegate", "float"},
UnaryTestCase{kF16, ir::Unary::Kind::kNegation, "OpFNegate", "half"}));
} // namespace
} // namespace tint::writer::spirv