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| author | Lang Hames <lhames@gmail.com> | 2011-12-06 01:45:57 +0000 |
|---|---|---|
| committer | Lang Hames <lhames@gmail.com> | 2011-12-06 01:45:57 +0000 |
| commit | b13b6a04d051c711b4aa3d89891b0f9e09ae411c (patch) | |
| tree | e13ebfe9a782ff500c297c15dd2addf304812252 /llvm/lib/CodeGen | |
| parent | 853604d59660c8b388344e4f4bd38206d3e6b544 (diff) | |
| download | bcm5719-llvm-b13b6a04d051c711b4aa3d89891b0f9e09ae411c.tar.gz bcm5719-llvm-b13b6a04d051c711b4aa3d89891b0f9e09ae411c.zip | |
Update PBQP's analysis usage to reflect the requirements of the inline spiller.
llvm-svn: 145893
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/RegAllocPBQP.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/RegAllocPBQP.cpp b/llvm/lib/CodeGen/RegAllocPBQP.cpp index 845ee12395a..db35ce06150 100644 --- a/llvm/lib/CodeGen/RegAllocPBQP.cpp +++ b/llvm/lib/CodeGen/RegAllocPBQP.cpp @@ -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) |
