//=- PHIEliminationUtils.h - Helper functions for PHI elimination -*- C++ -*-=// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// #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 |