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Make PBQP require/preserve MachineLoopInfo - the spiller requires it.

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llvm-svn: 185378
This commit is contained in:
Lang Hames 2013-07-01 20:47:47 +00:00
parent 01748e811b
commit fa00d243cb
1 changed files with 3 additions and 0 deletions
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3
lib/CodeGen/RegAllocPBQP.cpp
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@ -43,6 +43,7 @@
#include "llvm/CodeGen/MachineBlockFrequencyInfo.h"
#include "llvm/CodeGen/MachineDominators.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineLoopInfo.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/PBQP/Graph.h"
#include "llvm/CodeGen/PBQP/HeuristicSolver.h"
@ -436,6 +437,8 @@ void RegAllocPBQP::getAnalysisUsage(AnalysisUsage &au) const {
au.addPreserved<LiveStacks>();
au.addRequired<MachineBlockFrequencyInfo>();
au.addPreserved<MachineBlockFrequencyInfo>();
au.addRequired<MachineLoopInfo>();
au.addPreserved<MachineLoopInfo>();
au.addRequired<MachineDominatorTree>();
au.addPreserved<MachineDominatorTree>();
au.addRequired<VirtRegMap>();