//=- PHIEliminationUtils.h - Helper functions for PHI elimination -*- C++ -*-=// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// #ifndef LLVM_LIB_CODEGEN_PHIELIMINATIONUTILS_H #define LLVM_LIB_CODEGEN_PHIELIMINATIONUTILS_H #include "llvm/CodeGen/MachineBasicBlock.h" namespace llvm { /// findPHICopyInsertPoint - Find a safe place in MBB to insert a copy from /// SrcReg when following the CFG edge to SuccMBB. This needs to be after /// any def of SrcReg, but before any subsequent point where control flow /// might jump out of the basic block. MachineBasicBlock::iterator findPHICopyInsertPoint(MachineBasicBlock* MBB, MachineBasicBlock* SuccMBB, unsigned SrcReg); } #endif |