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Do a scheduling pass ignoring anti-dependencies to identify candidate registers that should be renamed.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85939 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Goodwin
2009-11-03 20:57:50 +00:00
parent abf67ef548
commit 4de099d8ca
11 changed files with 216 additions and 83 deletions
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3
lib/CodeGen/CriticalAntiDepBreaker.cpp
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@@ -13,7 +13,7 @@
//
//===----------------------------------------------------------------------===//
#define DEBUG_TYPE "critical-antidep"
#define DEBUG_TYPE "post-RA-sched"
#include "CriticalAntiDepBreaker.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
@@ -316,6 +316,7 @@ CriticalAntiDepBreaker::findSuitableFreeRegister(unsigned AntiDepReg,
unsigned CriticalAntiDepBreaker::
BreakAntiDependencies(std::vector<SUnit>& SUnits,
CandidateMap& Candidates,
MachineBasicBlock::iterator& Begin,
MachineBasicBlock::iterator& End,
unsigned InsertPosIndex) {