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/*========================== begin_copyright_notice ============================
Copyright (C) 2019-2021 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#ifndef IGCLLVM_ANALYSIS_MEMORYLOCATION_H
#define IGCLLVM_ANALYSIS_MEMORYLOCATION_H
#include "llvm/Config/llvm-config.h"
#include "llvm/Analysis/MemoryLocation.h"
#if LLVM_VERSION_MAJOR <= 10
#include "llvm/IR/CallSite.h"
#else
#include "llvm/IR/Instructions.h"
#endif
namespace IGCLLVM
{
class MemoryLocation : public llvm::MemoryLocation
{
public:
static inline llvm::MemoryLocation getForArgument(
llvm::Instruction* I, unsigned ArgIdx,
const llvm::TargetLibraryInfo* TLI)
{
return llvm::MemoryLocation::getForArgument(
#if LLVM_VERSION_MAJOR <= 7
llvm::ImmutableCallSite(I), ArgIdx, *TLI
#elif LLVM_VERSION_MAJOR >= 8
llvm::cast<llvm::CallInst>(I), ArgIdx, TLI
#endif
);
}
};
class LocationSize : public llvm::LocationSize
{
public:
#if LLVM_VERSION_MAJOR < 12
// LLVM 12 introduced changes in LocationSize available parameters.
// "Unknown" memory location changed name to "BeforeOrAfterPointer"
// having the same value ~uint64_t(0).
//
// Differential revision: https://reviews.llvm.org/D91649
//
constexpr static llvm::LocationSize beforeOrAfterPointer() {
return llvm::LocationSize::unknown();
}
#endif
};
}
#endif
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