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1//=- PHIEliminationUtils.h - Helper functions for PHI elimination -*- C++ -*-=//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef LLVM_LIB_CODEGEN_PHIELIMINATIONUTILS_H10#define LLVM_LIB_CODEGEN_PHIELIMINATIONUTILS_H11 12#include "llvm/CodeGen/MachineBasicBlock.h"13 14namespace llvm {15 /// findPHICopyInsertPoint - Find a safe place in MBB to insert a copy from16 /// SrcReg when following the CFG edge to SuccMBB. This needs to be after17 /// any def of SrcReg, but before any subsequent point where control flow18 /// might jump out of the basic block.19 MachineBasicBlock::iterator20 findPHICopyInsertPoint(MachineBasicBlock* MBB, MachineBasicBlock* SuccMBB,21 Register SrcReg);22}23 24#endif25