60 lines
1.8 KiB
C++
60 lines
1.8 KiB
C++
// Copyright 2023 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "src/tint/ir/builder.h"
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#include "src/tint/ir/instruction.h"
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#include "src/tint/ir/test_helper.h"
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namespace tint::ir {
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namespace {
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using namespace tint::number_suffixes; // NOLINT
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using IR_InstructionTest = TestHelper;
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TEST_F(IR_InstructionTest, CreateLoad) {
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Module mod;
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Builder b{mod};
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auto* store_type = mod.Types().i32();
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auto* var = b.Declare(mod.Types().Get<type::Pointer>(
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store_type, builtin::AddressSpace::kFunction, builtin::Access::kReadWrite));
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const auto* inst = b.Load(var);
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ASSERT_TRUE(inst->Is<Load>());
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ASSERT_EQ(inst->From(), var);
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EXPECT_EQ(inst->Type(), store_type);
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ASSERT_TRUE(inst->From()->Is<ir::Var>());
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EXPECT_EQ(inst->From(), var);
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}
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TEST_F(IR_InstructionTest, Load_Usage) {
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Module mod;
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Builder b{mod};
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auto* store_type = mod.Types().i32();
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auto* var = b.Declare(mod.Types().Get<type::Pointer>(
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store_type, builtin::AddressSpace::kFunction, builtin::Access::kReadWrite));
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const auto* inst = b.Load(var);
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ASSERT_NE(inst->From(), nullptr);
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ASSERT_EQ(inst->From()->Usage().Length(), 1u);
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EXPECT_EQ(inst->From()->Usage()[0], inst);
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}
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} // namespace
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} // namespace tint::ir
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