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// Copyright (c) 2018 The Khronos Group Inc.
// Copyright (c) 2018 Valve Corporation
// Copyright (c) 2018 LunarG Inc.
//
// 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 "source/opt/composite.h"
#include <vector>
#include "source/opt/ir_context.h"
#include "source/opt/iterator.h"
#include "spirv/1.2/GLSL.std.450.h"
namespace spvtools {
namespace opt {
bool ExtInsMatch(const std::vector<uint32_t>& extIndices,
const Instruction* insInst, const uint32_t extOffset) {
uint32_t numIndices = static_cast<uint32_t>(extIndices.size()) - extOffset;
if (numIndices != insInst->NumInOperands() - 2) return false;
for (uint32_t i = 0; i < numIndices; ++i)
if (extIndices[i + extOffset] != insInst->GetSingleWordInOperand(i + 2))
return false;
return true;
}
bool ExtInsConflict(const std::vector<uint32_t>& extIndices,
const Instruction* insInst, const uint32_t extOffset) {
if (extIndices.size() - extOffset == insInst->NumInOperands() - 2)
return false;
uint32_t extNumIndices = static_cast<uint32_t>(extIndices.size()) - extOffset;
uint32_t insNumIndices = insInst->NumInOperands() - 2;
uint32_t numIndices = std::min(extNumIndices, insNumIndices);
for (uint32_t i = 0; i < numIndices; ++i)
if (extIndices[i + extOffset] != insInst->GetSingleWordInOperand(i + 2))
return false;
return true;
}
} // namespace opt
} // namespace spvtools
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