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-rw-r--r--lib/IR/LegacyPassManager.cpp55
1 files changed, 24 insertions, 31 deletions
diff --git a/lib/IR/LegacyPassManager.cpp b/lib/IR/LegacyPassManager.cpp
index 28fa74c..fa8d50e 100644
--- a/lib/IR/LegacyPassManager.cpp
+++ b/lib/IR/LegacyPassManager.cpp
@@ -227,10 +227,7 @@ public:
Pass(PT_PassManager, ID), PMDataManager(),
PMTopLevelManager(new FPPassManager()), wasRun(false) {}
- /// add - Add a pass to the queue of passes to run. This passes ownership of
- /// the Pass to the PassManager. When the PassManager is destroyed, the pass
- /// will be destroyed as well, so there is no need to delete the pass. This
- /// implies that all passes MUST be allocated with 'new'.
+ /// \copydoc FunctionPassManager::add()
void add(Pass *P) {
schedulePass(P);
}
@@ -398,10 +395,7 @@ public:
Pass(PT_PassManager, ID), PMDataManager(),
PMTopLevelManager(new MPPassManager()) {}
- /// add - Add a pass to the queue of passes to run. This passes ownership of
- /// the Pass to the PassManager. When the PassManager is destroyed, the pass
- /// will be destroyed as well, so there is no need to delete the pass. This
- /// implies that all passes MUST be allocated with 'new'.
+ /// \copydoc PassManager::add()
void add(Pass *P) {
schedulePass(P);
}
@@ -606,8 +600,7 @@ void PMTopLevelManager::schedulePass(Pass *P) {
// If P is an analysis pass and it is available then do not
// generate the analysis again. Stale analysis info should not be
// available at this point.
- const PassInfo *PI =
- PassRegistry::getPassRegistry()->getPassInfo(P->getPassID());
+ const PassInfo *PI = findAnalysisPassInfo(P->getPassID());
if (PI && PI->isAnalysis() && findAnalysisPass(P->getPassID())) {
delete P;
return;
@@ -625,7 +618,7 @@ void PMTopLevelManager::schedulePass(Pass *P) {
Pass *AnalysisPass = findAnalysisPass(*I);
if (!AnalysisPass) {
- const PassInfo *PI = PassRegistry::getPassRegistry()->getPassInfo(*I);
+ const PassInfo *PI = findAnalysisPassInfo(*I);
if (!PI) {
// Pass P is not in the global PassRegistry
@@ -722,8 +715,7 @@ Pass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) {
return *I;
// If Pass not found then check the interfaces implemented by Immutable Pass
- const PassInfo *PassInf =
- PassRegistry::getPassRegistry()->getPassInfo(PI);
+ const PassInfo *PassInf = findAnalysisPassInfo(PI);
assert(PassInf && "Expected all immutable passes to be initialized");
const std::vector<const PassInfo*> &ImmPI =
PassInf->getInterfacesImplemented();
@@ -737,6 +729,17 @@ Pass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) {
return nullptr;
}
+const PassInfo *PMTopLevelManager::findAnalysisPassInfo(AnalysisID AID) const {
+ const PassInfo *&PI = AnalysisPassInfos[AID];
+ if (!PI)
+ PI = PassRegistry::getPassRegistry()->getPassInfo(AID);
+ else
+ assert(PI == PassRegistry::getPassRegistry()->getPassInfo(AID) &&
+ "The pass info pointer changed for an analysis ID!");
+
+ return PI;
+}
+
// Print passes managed by this top level manager.
void PMTopLevelManager::dumpPasses() const {
@@ -765,8 +768,7 @@ void PMTopLevelManager::dumpArguments() const {
dbgs() << "Pass Arguments: ";
for (SmallVectorImpl<ImmutablePass *>::const_iterator I =
ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I)
- if (const PassInfo *PI =
- PassRegistry::getPassRegistry()->getPassInfo((*I)->getPassID())) {
+ if (const PassInfo *PI = findAnalysisPassInfo((*I)->getPassID())) {
assert(PI && "Expected all immutable passes to be initialized");
if (!PI->isAnalysisGroup())
dbgs() << " -" << PI->getPassArgument();
@@ -830,7 +832,7 @@ void PMDataManager::recordAvailableAnalysis(Pass *P) {
// This pass is the current implementation of all of the interfaces it
// implements as well.
- const PassInfo *PInf = PassRegistry::getPassRegistry()->getPassInfo(PI);
+ const PassInfo *PInf = TPM->findAnalysisPassInfo(PI);
if (!PInf) return;
const std::vector<const PassInfo*> &II = PInf->getInterfacesImplemented();
for (unsigned i = 0, e = II.size(); i != e; ++i)
@@ -963,7 +965,7 @@ void PMDataManager::freePass(Pass *P, StringRef Msg,
}
AnalysisID PI = P->getPassID();
- if (const PassInfo *PInf = PassRegistry::getPassRegistry()->getPassInfo(PI)) {
+ if (const PassInfo *PInf = TPM->findAnalysisPassInfo(PI)) {
// Remove the pass itself (if it is not already removed).
AvailableAnalysis.erase(PI);
@@ -1043,7 +1045,7 @@ void PMDataManager::add(Pass *P, bool ProcessAnalysis) {
for (SmallVectorImpl<AnalysisID>::iterator
I = ReqAnalysisNotAvailable.begin(),
E = ReqAnalysisNotAvailable.end() ;I != E; ++I) {
- const PassInfo *PI = PassRegistry::getPassRegistry()->getPassInfo(*I);
+ const PassInfo *PI = TPM->findAnalysisPassInfo(*I);
Pass *AnalysisPass = PI->createPass();
this->addLowerLevelRequiredPass(P, AnalysisPass);
}
@@ -1148,7 +1150,7 @@ void PMDataManager::dumpPassArguments() const {
PMD->dumpPassArguments();
else
if (const PassInfo *PI =
- PassRegistry::getPassRegistry()->getPassInfo((*I)->getPassID()))
+ TPM->findAnalysisPassInfo((*I)->getPassID()))
if (!PI->isAnalysisGroup())
dbgs() << " -" << PI->getPassArgument();
}
@@ -1224,7 +1226,7 @@ void PMDataManager::dumpAnalysisUsage(StringRef Msg, const Pass *P,
dbgs() << (const void*)P << std::string(getDepth()*2+3, ' ') << Msg << " Analyses:";
for (unsigned i = 0; i != Set.size(); ++i) {
if (i) dbgs() << ',';
- const PassInfo *PInf = PassRegistry::getPassRegistry()->getPassInfo(Set[i]);
+ const PassInfo *PInf = TPM->findAnalysisPassInfo(Set[i]);
if (!PInf) {
// Some preserved passes, such as AliasAnalysis, may not be initialized by
// all drivers.
@@ -1389,11 +1391,6 @@ FunctionPassManager::~FunctionPassManager() {
delete FPM;
}
-/// add - Add a pass to the queue of passes to run. This passes
-/// ownership of the Pass to the PassManager. When the
-/// PassManager_X is destroyed, the pass will be destroyed as well, so
-/// there is no need to delete the pass. (TODO delete passes.)
-/// This implies that all passes MUST be allocated with 'new'.
void FunctionPassManager::add(Pass *P) {
FPM->add(P);
}
@@ -1669,8 +1666,8 @@ void MPPassManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) {
OnTheFlyManagers[P] = FPP;
}
- const PassInfo * RequiredPassPI =
- PassRegistry::getPassRegistry()->getPassInfo(RequiredPass->getPassID());
+ const PassInfo *RequiredPassPI =
+ TPM->findAnalysisPassInfo(RequiredPass->getPassID());
Pass *FoundPass = nullptr;
if (RequiredPassPI && RequiredPassPI->isAnalysis()) {
@@ -1749,10 +1746,6 @@ PassManager::~PassManager() {
delete PM;
}
-/// add - Add a pass to the queue of passes to run. This passes ownership of
-/// the Pass to the PassManager. When the PassManager is destroyed, the pass
-/// will be destroyed as well, so there is no need to delete the pass. This
-/// implies that all passes MUST be allocated with 'new'.
void PassManager::add(Pass *P) {
PM->add(P);
}