SPIRV-Tools/source/opt/strip_reflect_info_pass.cpp
Steven Perron 6647884a13
Remove MemberDecorateStringGOOGLE during stript-refect. (#2021)
The strip-reflect pass is not removing the reflection decorations that
are decorating members.  With this commit, they will now be removed.

Fixes #2019.
2018-10-30 16:17:35 -04:00

83 lines
2.4 KiB
C++

// Copyright (c) 2018 Google LLC
//
// 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/strip_reflect_info_pass.h"
#include <cstring>
#include <vector>
#include "source/opt/instruction.h"
#include "source/opt/ir_context.h"
namespace spvtools {
namespace opt {
Pass::Status StripReflectInfoPass::Process() {
bool modified = false;
std::vector<Instruction*> to_remove;
bool other_uses_for_decorate_string = false;
for (auto& inst : context()->module()->annotations()) {
switch (inst.opcode()) {
case SpvOpDecorateStringGOOGLE:
if (inst.GetSingleWordInOperand(1) == SpvDecorationHlslSemanticGOOGLE) {
to_remove.push_back(&inst);
} else {
other_uses_for_decorate_string = true;
}
break;
case SpvOpMemberDecorateStringGOOGLE:
if (inst.GetSingleWordInOperand(2) == SpvDecorationHlslSemanticGOOGLE) {
to_remove.push_back(&inst);
} else {
other_uses_for_decorate_string = true;
}
break;
case SpvOpDecorateId:
if (inst.GetSingleWordInOperand(1) ==
SpvDecorationHlslCounterBufferGOOGLE) {
to_remove.push_back(&inst);
}
break;
default:
break;
}
}
for (auto& inst : context()->module()->extensions()) {
const char* ext_name =
reinterpret_cast<const char*>(&inst.GetInOperand(0).words[0]);
if (0 == std::strcmp(ext_name, "SPV_GOOGLE_hlsl_functionality1")) {
to_remove.push_back(&inst);
} else if (!other_uses_for_decorate_string &&
0 == std::strcmp(ext_name, "SPV_GOOGLE_decorate_string")) {
to_remove.push_back(&inst);
}
}
for (auto* inst : to_remove) {
modified = true;
context()->KillInst(inst);
}
return modified ? Status::SuccessWithChange : Status::SuccessWithoutChange;
}
} // namespace opt
} // namespace spvtools