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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"
namespace tint::spirv::writer {
namespace {
using namespace tint::builtin::fluent_types; // NOLINT
using namespace tint::number_suffixes; // NOLINT
TEST_F(SpirvWriterTest, Let_Constant) {
auto* func = b.Function("foo", ty.void_());
b.With(func->Block(), [&] {
b.Let("l", u32(42));
b.Return(func);
});
ASSERT_TRUE(Generate()) << Error() << output_;
EXPECT_INST("OpName %l \"l\"");
EXPECT_INST("%l = OpConstant %uint 42");
}
TEST_F(SpirvWriterTest, Let_SharedConstant) {
auto* func = b.Function("foo", ty.void_());
b.With(func->Block(), [&] {
b.Let("l1", u32(42));
b.Let("l2", u32(42));
b.Return(func);
});
ASSERT_TRUE(Generate()) << Error() << output_;
EXPECT_INST("OpName %l1 \"l1\"");
EXPECT_INST("OpName %l1 \"l2\"");
EXPECT_INST("%l1 = OpConstant %uint 42");
}
} // namespace
} // namespace tint::spirv::writer