From cbb70ce070d220642b038ea101d9c0f9fbf860d6 Mon Sep 17 00:00:00 2001 From: dim Date: Sun, 20 Feb 2011 12:57:14 +0000 Subject: Vendor import of llvm trunk r126079: http://llvm.org/svn/llvm-project/llvm/trunk@126079 --- lib/CodeGen/PHIEliminationUtils.h | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 lib/CodeGen/PHIEliminationUtils.h (limited to 'lib/CodeGen/PHIEliminationUtils.h') diff --git a/lib/CodeGen/PHIEliminationUtils.h b/lib/CodeGen/PHIEliminationUtils.h new file mode 100644 index 0000000..9ac47fb4 --- /dev/null +++ b/lib/CodeGen/PHIEliminationUtils.h @@ -0,0 +1,25 @@ +//=- 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 -- cgit v1.1