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/*========================== begin_copyright_notice ============================
Copyright (C) 2018-2021 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#ifndef IGCLLVM_IR_FUNCTION_H
#define IGCLLVM_IR_FUNCTION_H
#include "llvm/IR/Function.h"
#include "Probe/Assertion.h"
namespace IGCLLVM {
inline llvm::Argument *getArg(const llvm::Function &F, unsigned ArgNo) {
IGC_ASSERT(F.arg_size() > ArgNo);
llvm::Argument *Arg = nullptr;
#if LLVM_VERSION_MAJOR < 10
// similar to lvm::Function::getArg implementation
auto ArgIt = F.arg_begin();
std::advance(ArgIt, ArgNo);
Arg = const_cast<llvm::Argument *>(&*ArgIt);
#else
Arg = F.getArg(ArgNo);
#endif
return Arg;
}
inline void addRetAttr(llvm::Function *F, llvm::Attribute::AttrKind Kind) {
#if LLVM_VERSION_MAJOR < 14
F->addAttribute(llvm::AttributeList::ReturnIndex, Kind);
#else
F->addRetAttr(Kind);
#endif
}
inline bool onlyWritesMemory(llvm::Function *F) {
#if LLVM_VERSION_MAJOR < 14
return F->doesNotReadMemory();
#else
return F->onlyWritesMemory();
#endif
}
} // namespace IGCLLVM
#endif
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