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Instead of setPreservesAll, just mark them preseving machine loop info and machine dominators.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56475 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2008-09-22 22:21:38 +00:00
parent bc09afa80e
commit 8b56a90bec
7 changed files with 14 additions and 7 deletions
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4
lib/CodeGen/MachineModuleInfo.cpp
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@ -14,6 +14,7 @@
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineLocation.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetOptions.h"
@ -2014,7 +2015,8 @@ struct DebugLabelFolder : public MachineFunctionPass {
DebugLabelFolder() : MachineFunctionPass(&ID) {}
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
AU.addPreservedID(MachineLoopInfoID);
AU.addPreservedID(MachineDominatorsID);
MachineFunctionPass::getAnalysisUsage(AU);
}