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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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3
lib/CodeGen/LiveStackAnalysis.cpp
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@ -25,7 +25,8 @@ char LiveStacks::ID = 0;
static RegisterPass<LiveStacks> X("livestacks", "Live Stack Slot Analysis");
void LiveStacks::getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
AU.addPreservedID(MachineLoopInfoID);
AU.addPreservedID(MachineDominatorsID);
MachineFunctionPass::getAnalysisUsage(AU);
}