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/*========================== begin_copyright_notice ============================
Copyright (C) 2017-2021 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#include "common/LLVMWarningsPush.hpp"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/InstIterator.h"
#include "common/LLVMWarningsPop.hpp"
#include "Compiler/Optimizer/OpenCLPasses/DebuggerSupport/ImplicitGIDRestoring.hpp"
#include "Compiler/IGCPassSupport.h"
#include "Probe/Assertion.h"
#include "Compiler/CISACodeGen/helper.h"
using namespace llvm;
using namespace IGC;
using namespace IGC::IGCMD;
// Register pass to igc-opt
#define PASS_FLAG "igc-implicit-gid-restoring"
#define PASS_DESCRIPTION "Implicit Global Id Restoring"
#define PASS_CFG_ONLY false
#define PASS_ANALYSIS false
IGC_INITIALIZE_PASS_BEGIN(ImplicitGIDRestoring, PASS_FLAG, PASS_DESCRIPTION, PASS_CFG_ONLY, PASS_ANALYSIS)
//IGC_INITIALIZE_PASS_DEPENDENCY(MetaDataUtilsWrapper)
IGC_INITIALIZE_PASS_END(ImplicitGIDRestoring, PASS_FLAG, PASS_DESCRIPTION, PASS_CFG_ONLY, PASS_ANALYSIS)
char ImplicitGIDRestoring::ID = 0;
ImplicitGIDRestoring::ImplicitGIDRestoring() : FunctionPass(ID)
{
initializeImplicitGIDRestoringPass(*PassRegistry::getPassRegistry());
}
bool ImplicitGIDRestoring::runOnFunction(Function& F)
{
for (auto ii = inst_begin(F), ie = inst_end(F); ii != ie; ii++)
{
Instruction* I = &*ii;
if (I->getOpcode() == Instruction::Call)
{
if (isa<GenIntrinsicInst>(I) &&
(static_cast<GenIntrinsicInst*>(I)->getIntrinsicID() == GenISAIntrinsic::GenISA_dummyInstID) &&
I->getMetadata("implicitGlobalID"))
{
Instruction* instToResoreMetadata = static_cast<Instruction*>(I->getOperand(0));
if (instToResoreMetadata && !instToResoreMetadata->getMetadata("implicitGlobalID"))
{
auto instToResoreMetadataMD = MDNode::get(I->getContext(), nullptr);
instToResoreMetadata->setMetadata("implicitGlobalID", instToResoreMetadataMD);
}
}
}
}
return false;
}
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