diff options
| -rw-r--r-- | lib/CodeGen/RegAllocPBQP.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/CodeGen/RegAllocPBQP.cpp b/lib/CodeGen/RegAllocPBQP.cpp index 845ee12395..db35ce0615 100644 --- a/lib/CodeGen/RegAllocPBQP.cpp +++ b/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) |