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When new pass manager is created, initialize available analysis info

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of existing manager at the same level. Otherwise, such info may be
considered as available, which not true.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32334 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2006-12-07 22:34:21 +00:00
parent f5da13367f
commit badc4fae53
1 changed files with 26 additions and 9 deletions
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35
lib/VMCore/PassManager.cpp
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@ -652,13 +652,17 @@ FunctionPassManagerImpl_New::addPass(Pass *P) {
// If P is a BasicBlockPass then use BasicBlockPassManager_New. // If P is a BasicBlockPass then use BasicBlockPassManager_New.
if (BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P)) { if (BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P)) {
if (!activeBBPassManager if (!activeBBPassManager || !activeBBPassManager->addPass(BP)) {
|| !activeBBPassManager->addPass(BP)) {
// TODO : intialize AvailableAnalysis info // If active manager exists then clear its analysis info.
if (activeBBPassManager)
activeBBPassManager->initializeAnalysisInfo();
// Create and add new manager
activeBBPassManager = new BasicBlockPassManager_New(); activeBBPassManager = new BasicBlockPassManager_New();
addPassToManager(activeBBPassManager, false); addPassToManager(activeBBPassManager, false);
// Add pass into new manager. This time it must succeed.
if (!activeBBPassManager->addPass(BP)) if (!activeBBPassManager->addPass(BP))
assert(0 && "Unable to add Pass"); assert(0 && "Unable to add Pass");
} }
@ -675,8 +679,13 @@ FunctionPassManagerImpl_New::addPass(Pass *P) {
return false; return false;
addPassToManager (FP); addPassToManager (FP);
// TODO : intialize AvailableAnalysis info
activeBBPassManager = NULL; // If active manager exists then clear its analysis info.
if (activeBBPassManager) {
activeBBPassManager->initializeAnalysisInfo();
activeBBPassManager = NULL;
}
return true; return true;
} }
@ -784,11 +793,15 @@ ModulePassManager_New::addPass(Pass *P) {
if (!activeFunctionPassManager if (!activeFunctionPassManager
|| !activeFunctionPassManager->addPass(P)) { || !activeFunctionPassManager->addPass(P)) {
// TODO : intialize AvailableAnalysis info // If active manager exists then clear its analysis info.
activeFunctionPassManager = NULL; if (activeFunctionPassManager)
activeFunctionPassManager->initializeAnalysisInfo();
// Create and add new manager
activeFunctionPassManager = new FunctionPassManagerImpl_New(); activeFunctionPassManager = new FunctionPassManagerImpl_New();
addPassToManager(activeFunctionPassManager, false); addPassToManager(activeFunctionPassManager, false);
// Add pass into new manager. This time it must succeed.
if (!activeFunctionPassManager->addPass(FP)) if (!activeFunctionPassManager->addPass(FP))
assert(0 && "Unable to add pass"); assert(0 && "Unable to add pass");
} }
@ -805,8 +818,12 @@ ModulePassManager_New::addPass(Pass *P) {
return false; return false;
addPassToManager(MP); addPassToManager(MP);
// TODO : intialize AvailableAnalysis info // If active manager exists then clear its analysis info.
activeFunctionPassManager = NULL; if (activeFunctionPassManager) {
activeFunctionPassManager->initializeAnalysisInfo();
activeFunctionPassManager = NULL;
}
return true; return true;
} }