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Add the ability for SCC passes to initialize and finalize themselves

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13084 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2004-04-20 21:30:06 +00:00
parent c99acc3709
commit a10df50282
2 changed files with 16 additions and 6 deletions
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9
lib/Analysis/IPA/CallGraphSCCPass.cpp
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@ -18,8 +18,7 @@
#include "llvm/CallGraphSCCPass.h"
#include "llvm/Analysis/CallGraph.h"
#include "Support/SCCIterator.h"
namespace llvm {
using namespace llvm;
/// getAnalysisUsage - For this class, we declare that we require and preserve
/// the call graph. If the derived class implements this method, it should
@ -31,11 +30,9 @@ void CallGraphSCCPass::getAnalysisUsage(AnalysisUsage &AU) const {
bool CallGraphSCCPass::run(Module &M) {
CallGraph &CG = getAnalysis<CallGraph>();
bool Changed = false;
bool Changed = doInitialization(M);
for (scc_iterator<CallGraph*> I = scc_begin(&CG), E = scc_end(&CG);
I != E; ++I)
Changed = runOnSCC(*I);
return Changed;
return Changed | doFinalization(M);
}
} // End llvm namespace