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Manage analysis passes during run.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31716 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2006-11-14 01:23:29 +00:00
parent 01d3e38267
commit c1d6e1fc9c
1 changed files with 25 additions and 0 deletions
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25
lib/VMCore/PassManager.cpp
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@ -53,6 +53,13 @@ public:
/// AvailableAnalysis appropriately if ProcessAnalysis is true.
void addPassToManager (Pass *P, bool ProcessAnalysis = true);
/// Clear analysis vectors RequiredAnalysis and AvailableAnalysis.
/// This is used before running passes managed by the manager.
void clearAnalysis() {
RequiredAnalysis.clear();
AvailableAnalysis.clear();
}
inline std::vector<Pass *>::iterator passVectorBegin() {
return PassVector.begin();
}
@ -311,12 +318,18 @@ bool
BasicBlockPassManager_New::runOnFunction(Function &F) {
bool Changed = false;
clearAnalysis();
for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I)
for (std::vector<Pass *>::iterator itr = passVectorBegin(),
e = passVectorEnd(); itr != e; ++itr) {
Pass *P = *itr;
noteDownAvailableAnalysis(P);
BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P);
Changed |= BP->runOnBasicBlock(*I);
removeNotPreservedAnalysis(P);
removeDeadPasses();
}
return Changed;
}
@ -395,12 +408,18 @@ bool
FunctionPassManagerImpl_New::runOnModule(Module &M) {
bool Changed = false;
clearAnalysis();
for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I)
for (std::vector<Pass *>::iterator itr = passVectorBegin(),
e = passVectorEnd(); itr != e; ++itr) {
Pass *P = *itr;
noteDownAvailableAnalysis(P);
FunctionPass *FP = dynamic_cast<FunctionPass*>(P);
Changed |= FP->runOnFunction(*I);
removeNotPreservedAnalysis(P);
removeDeadPasses();
}
return Changed;
}
@ -464,11 +483,17 @@ ModulePassManager_New::addPass(Pass *P) {
bool
ModulePassManager_New::runOnModule(Module &M) {
bool Changed = false;
clearAnalysis();
for (std::vector<Pass *>::iterator itr = passVectorBegin(),
e = passVectorEnd(); itr != e; ++itr) {
Pass *P = *itr;
noteDownAvailableAnalysis(P);
ModulePass *MP = dynamic_cast<ModulePass*>(P);
Changed |= MP->runOnModule(M);
removeNotPreservedAnalysis(P);
removeDeadPasses();
}
return Changed;
}