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/*========================== begin_copyright_notice ============================
Copyright (C) 2021 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#ifndef VC_UTILS_GENERAL_FUNCTION_ATTRS
#define VC_UTILS_GENERAL_FUNCTION_ATTRS
#include <llvm/IR/Function.h>
namespace vc {
// Transfers DISubporgram node from one function to another
void transferDISubprogram(llvm::Function &From, llvm::Function &To);
// Transfers name and calling convention from one function to another
// and set custom attributes
void transferNameAndCCWithNewAttr(const llvm::AttributeList Attrs,
llvm::Function &From, llvm::Function &To);
// Returns whether \p F is a function which signature cannot be changed.
// Indirectly called function signature cannot be changed in general case, so
// this function returns true for such function (though some optimizations may
// change it for some cases). False is returned for a kerenl.
bool isFixedSignatureFunc(const llvm::Function &F);
// Checks whether \p F is a definition and its signature cannot be changed.
inline bool isFixedSignatureDefinition(const llvm::Function &F) {
if (F.isDeclaration())
return false;
return isFixedSignatureFunc(F);
}
} // namespace vc
#endif /* end of include guard: VC_UTILS_GENERAL_FUNCTION_ATTRS */
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