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// Copyright 2023 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// 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.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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#include "gmock/gmock.h"
#include "src/tint/lang/core/ir/builder.h"
#include "src/tint/lang/core/ir/ir_helper_test.h"
namespace tint::core::ir {
namespace {
using namespace tint::core::fluent_types; // NOLINT
using namespace tint::core::number_suffixes; // NOLINT
using IR_LoadTest = IRTestHelper;
TEST_F(IR_LoadTest, Create) {
auto* store_type = ty.i32();
auto* var = b.Var(ty.ptr<function, i32>());
auto* inst = b.Load(var);
ASSERT_TRUE(inst->Is<Load>());
ASSERT_EQ(inst->From(), var->Result(0));
EXPECT_EQ(inst->Result(0)->Type(), store_type);
auto* result = inst->From()->As<InstructionResult>();
ASSERT_NE(result, nullptr);
ASSERT_TRUE(result->Instruction()->Is<ir::Var>());
EXPECT_EQ(result->Instruction(), var);
}
TEST_F(IR_LoadTest, Usage) {
auto* var = b.Var(ty.ptr<function, i32>());
auto* inst = b.Load(var);
ASSERT_NE(inst->From(), nullptr);
EXPECT_THAT(inst->From()->Usages(), testing::UnorderedElementsAre(Usage{inst, 0u}));
}
TEST_F(IR_LoadTest, Results) {
auto* var = b.Var(ty.ptr<function, i32>());
auto* inst = b.Load(var);
EXPECT_EQ(inst->Results().Length(), 1u);
EXPECT_TRUE(inst->Result(0)->Is<InstructionResult>());
EXPECT_EQ(inst->Result(0)->Instruction(), inst);
}
TEST_F(IR_LoadTest, Clone) {
auto* var = b.Var(ty.ptr<function, i32>());
auto* inst = b.Load(var);
auto* new_var = clone_ctx.Clone(var);
auto* new_inst = clone_ctx.Clone(inst);
EXPECT_NE(inst, new_inst);
EXPECT_NE(nullptr, new_inst->Result(0));
EXPECT_NE(inst->Result(0), new_inst->Result(0));
EXPECT_EQ(new_var->Result(0), new_inst->From());
}
} // namespace
} // namespace tint::core::ir