mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-01 08:23:21 +01:00
26 lines
936 B
C++
26 lines
936 B
C++
//=- 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_CODEGEN_PHIELIMINATIONUTILS_H
|
|
#define LLVM_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
|