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// Copyright 2022 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
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// 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
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "src/tint/lang/core/ir/value.h"
#include "src/tint/lang/core/ir/constant.h"
#include "src/tint/lang/core/ir/instruction.h"
#include "src/tint/utils/ice/ice.h"
TINT_INSTANTIATE_TYPEINFO(tint::core::ir::Value);
namespace tint::core::ir {
Value::Value() = default;
Value::~Value() = default;
void Value::Destroy() {
TINT_ASSERT(Alive());
flags_.Add(Flag::kDead);
}
void Value::ForEachUse(std::function<void(Usage use)> func) {
auto uses = uses_;
for (auto& use : uses) {
func(use);
}
}
void Value::ReplaceAllUsesWith(std::function<Value*(Usage use)> replacer) {
while (!uses_.IsEmpty()) {
auto& use = *uses_.begin();
auto* replacement = replacer(use);
use->instruction->SetOperand(use->operand_index, replacement);
}
}
void Value::ReplaceAllUsesWith(Value* replacement) {
while (!uses_.IsEmpty()) {
auto& use = *uses_.begin();
use->instruction->SetOperand(use->operand_index, replacement);
}
}
} // namespace tint::core::ir