mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-10-19 03:20:14 +00:00
34c5ac614c
* Fixes #2358. Added to the reducer the ability to remove a function that is not directly called. Factored out some code from the optimizer to help with this.
41 lines
1.4 KiB
C++
41 lines
1.4 KiB
C++
// Copyright (c) 2019 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 "remove_function_reduction_opportunity.h"
|
|
#include "source/opt/eliminate_dead_functions_util.h"
|
|
|
|
namespace spvtools {
|
|
namespace reduce {
|
|
|
|
bool RemoveFunctionReductionOpportunity::PreconditionHolds() {
|
|
// Removing one function cannot influence whether another function can be
|
|
// removed.
|
|
return true;
|
|
}
|
|
|
|
void RemoveFunctionReductionOpportunity::Apply() {
|
|
for (opt::Module::iterator function_it = context_->module()->begin();
|
|
function_it != context_->module()->end(); ++function_it) {
|
|
if (&*function_it == function_) {
|
|
opt::eliminatedeadfunctionsutil::EliminateFunction(context_,
|
|
&function_it);
|
|
return;
|
|
}
|
|
}
|
|
assert(0 && "Function to be removed was not found.");
|
|
}
|
|
|
|
} // namespace reduce
|
|
} // namespace spvtools
|