Mercurial > hg > Members > tobaru > cbc > CbC_llvm
comparison lib/CodeGen/PHIEliminationUtils.h @ 0:95c75e76d11b
LLVM 3.4
| author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Thu, 12 Dec 2013 13:56:28 +0900 |
| parents | |
| children | 54457678186b |
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| -1:000000000000 | 0:95c75e76d11b |
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| 1 //=- PHIEliminationUtils.h - Helper functions for PHI elimination -*- C++ -*-=// | |
| 2 // | |
| 3 // The LLVM Compiler Infrastructure | |
| 4 // | |
| 5 // This file is distributed under the University of Illinois Open Source | |
| 6 // License. See LICENSE.TXT for details. | |
| 7 // | |
| 8 //===----------------------------------------------------------------------===// | |
| 9 | |
| 10 #ifndef LLVM_CODEGEN_PHIELIMINATIONUTILS_H | |
| 11 #define LLVM_CODEGEN_PHIELIMINATIONUTILS_H | |
| 12 | |
| 13 #include "llvm/CodeGen/MachineBasicBlock.h" | |
| 14 | |
| 15 namespace llvm { | |
| 16 /// findPHICopyInsertPoint - Find a safe place in MBB to insert a copy from | |
| 17 /// SrcReg when following the CFG edge to SuccMBB. This needs to be after | |
| 18 /// any def of SrcReg, but before any subsequent point where control flow | |
| 19 /// might jump out of the basic block. | |
| 20 MachineBasicBlock::iterator | |
| 21 findPHICopyInsertPoint(MachineBasicBlock* MBB, MachineBasicBlock* SuccMBB, | |
| 22 unsigned SrcReg); | |
| 23 } | |
| 24 | |
| 25 #endif |