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Update PBQP's analysis usage to reflect the requirements of the inline spiller.

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llvm-svn: 145893
This commit is contained in:
Lang Hames 2011-12-06 01:45:57 +00:00
parent 70dd1f98af
commit 29572733bb
1 changed files with 7 additions and 0 deletions
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7
lib/CodeGen/RegAllocPBQP.cpp
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@ -37,10 +37,12 @@
#include "Splitter.h"
#include "VirtRegMap.h"
#include "RegisterCoalescer.h"
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/CodeGen/CalcSpillWeights.h"
#include "llvm/CodeGen/LiveIntervalAnalysis.h"
#include "llvm/CodeGen/LiveStackAnalysis.h"
#include "llvm/CodeGen/RegAllocPBQP.h"
#include "llvm/CodeGen/MachineDominators.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineLoopInfo.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
@ -444,6 +446,9 @@ void PBQPBuilderWithCoalescing::addVirtRegCoalesce(
void RegAllocPBQP::getAnalysisUsage(AnalysisUsage &au) const {
au.setPreservesCFG();
au.addRequired<AliasAnalysis>();
au.addPreserved<AliasAnalysis>();
au.addRequired<SlotIndexes>();
au.addPreserved<SlotIndexes>();
au.addRequired<LiveIntervals>();
@ -454,6 +459,8 @@ void RegAllocPBQP::getAnalysisUsage(AnalysisUsage &au) const {
au.addRequired<CalculateSpillWeights>();
au.addRequired<LiveStacks>();
au.addPreserved<LiveStacks>();
au.addRequired<MachineDominatorTree>();
au.addPreserved<MachineDominatorTree>();
au.addRequired<MachineLoopInfo>();
au.addPreserved<MachineLoopInfo>();
if (pbqpPreSplitting)