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/*========================== begin_copyright_notice ============================
Copyright (C) 2017-2021 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#include "Compiler/Optimizer/OpenCLPasses/VolatileWorkaround/VolatileWorkaround.hpp"
#include "Compiler/IGCPassSupport.h"
#include "common/LLVMWarningsPush.hpp"
#include <llvm/IR/Function.h>
#include <llvm/IR/Instructions.h>
#include "common/LLVMWarningsPop.hpp"
using namespace llvm;
using namespace IGC;
// Register pass to igc-opt
#define PASS_FLAG "igc-wa-volatile"
#define PASS_DESCRIPTION "Volatile Workaround"
#define PASS_CFG_ONLY false
#define PASS_ANALYSIS false
IGC_INITIALIZE_PASS_BEGIN(VolatileWorkaround, PASS_FLAG, PASS_DESCRIPTION, PASS_CFG_ONLY, PASS_ANALYSIS)
IGC_INITIALIZE_PASS_END(VolatileWorkaround, PASS_FLAG, PASS_DESCRIPTION, PASS_CFG_ONLY, PASS_ANALYSIS)
char VolatileWorkaround::ID = 0;
VolatileWorkaround::VolatileWorkaround() : FunctionPass(ID)
{
initializeVolatileWorkaroundPass(*PassRegistry::getPassRegistry());
}
bool VolatileWorkaround::runOnFunction(Function& F)
{
visit(F);
return true;
}
void VolatileWorkaround::visitLoadInst(LoadInst& I)
{
I.setVolatile(false);
}
void VolatileWorkaround::visitStoreInst(StoreInst& I)
{
I.setVolatile(false);
}
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