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Make current pass info available _after_ removing info that is not

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preserved.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32329 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2006-12-07 22:09:36 +00:00
parent b917e38c84
commit 0ac961d9c1
1 changed files with 7 additions and 8 deletions
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15
lib/VMCore/PassManager.cpp
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@ -533,12 +533,11 @@ void PMDataManager::addPassToManager(Pass *P,
bool ProcessAnalysis) {
if (ProcessAnalysis) {
// Take a note of analysis required and made available by this pass
initializeAnalysisImpl(P);
recordAvailableAnalysis(P);
// Take a note of analysis required and made available by this pass.
// Remove the analysis not preserved by this pass
initializeAnalysisImpl(P);
removeNotPreservedAnalysis(P);
recordAvailableAnalysis(P);
}
// Add pass
@ -600,10 +599,10 @@ BasicBlockPassManager_New::runOnFunction(Function &F) {
e = passVectorEnd(); itr != e; ++itr) {
Pass *P = *itr;
recordAvailableAnalysis(P);
BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P);
Changed |= BP->runOnBasicBlock(*I);
removeNotPreservedAnalysis(P);
recordAvailableAnalysis(P);
removeDeadPasses(P);
}
return Changed;
@ -718,10 +717,10 @@ bool FunctionPassManagerImpl_New::runOnModule(Module &M) {
e = passVectorEnd(); itr != e; ++itr) {
Pass *P = *itr;
recordAvailableAnalysis(P);
FunctionPass *FP = dynamic_cast<FunctionPass*>(P);
Changed |= FP->runOnFunction(*I);
removeNotPreservedAnalysis(P);
recordAvailableAnalysis(P);
removeDeadPasses(P);
}
return Changed;
@ -739,10 +738,10 @@ bool FunctionPassManagerImpl_New::runOnFunction(Function &F) {
e = passVectorEnd(); itr != e; ++itr) {
Pass *P = *itr;
recordAvailableAnalysis(P);
FunctionPass *FP = dynamic_cast<FunctionPass*>(P);
Changed |= FP->runOnFunction(F);
removeNotPreservedAnalysis(P);
recordAvailableAnalysis(P);
removeDeadPasses(P);
}
return Changed;
@ -848,10 +847,10 @@ ModulePassManager_New::runOnModule(Module &M) {
e = passVectorEnd(); itr != e; ++itr) {
Pass *P = *itr;
recordAvailableAnalysis(P);
ModulePass *MP = dynamic_cast<ModulePass*>(P);
Changed |= MP->runOnModule(M);
removeNotPreservedAnalysis(P);
recordAvailableAnalysis(P);
removeDeadPasses(P);
}
return Changed;