mirror of
https://github.com/KhronosGroup/SPIRV-Tools
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52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
// Copyright (c) 2016 Google Inc.
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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 "freeze_spec_constant_value_pass.h"
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namespace spvtools {
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namespace opt {
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bool FreezeSpecConstantValuePass::Process(ir::Module* module) {
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bool modified = false;
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module->ForEachInst([&modified](ir::Instruction* inst) {
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switch (inst->opcode()) {
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case SpvOp::SpvOpSpecConstant:
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inst->SetOpcode(SpvOp::SpvOpConstant);
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modified = true;
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break;
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case SpvOp::SpvOpSpecConstantTrue:
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inst->SetOpcode(SpvOp::SpvOpConstantTrue);
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modified = true;
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break;
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case SpvOp::SpvOpSpecConstantFalse:
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inst->SetOpcode(SpvOp::SpvOpConstantFalse);
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modified = true;
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break;
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case SpvOp::SpvOpDecorate:
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if (inst->GetSingleWordInOperand(1) ==
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SpvDecoration::SpvDecorationSpecId) {
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inst->ToNop();
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modified = true;
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}
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break;
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default:
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break;
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}
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});
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return modified;
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}
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} // namespace opt
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} // namespace spvtools
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