You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
26 lines
944 B
26 lines
944 B
//=- 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
|