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Use setPreservesAll and setPreservesCFG in CodeGen passes.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77754 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2009-07-31 23:37:33 +00:00
parent a3477fe06d
commit 845012e6d3
17 changed files with 31 additions and 14 deletions
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lib/CodeGen/MachineModuleInfo.cpp
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@@ -306,6 +306,7 @@ struct DebugLabelFolder : public MachineFunctionPass {
DebugLabelFolder() : MachineFunctionPass(&ID) {}
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesCFG();
AU.addPreservedID(MachineLoopInfoID);
AU.addPreservedID(MachineDominatorsID);
MachineFunctionPass::getAnalysisUsage(AU);