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Tell PassManager that this pass does not invalidate the CFG so that dominator

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information and Loop info will not have to be recomputed after this runs.

llvm-svn: 4269
This commit is contained in:
Chris Lattner 2002-10-23 03:30:47 +00:00
parent b43b03614e
commit 47508d5c0f
2 changed files with 5 additions and 0 deletions
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1
lib/CodeGen/InstrSched/InstrScheduling.cpp
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@ -1499,6 +1499,7 @@ namespace {
// getAnalysisUsage - We use LiveVarInfo...
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequired<FunctionLiveVarInfo>();
AU.setPreservesCFG();
}
bool runOnFunction(Function &F);

4
lib/CodeGen/InstrSelection/InstrSelection.cpp
View File

@ -63,6 +63,10 @@ namespace {
int ruleForNode, short* nts);
public:
InstructionSelection(TargetMachine &T) : Target(T) {}
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesCFG();
}
bool runOnFunction(Function &F);
};