One more step towards making doInitialization and doFinalization useful for

start up and clean up module passes, now that ASAN and TSAN are fixed the
tests pass



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168905 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 14 insertions, 58 deletions

diff --git a/lib/VMCore/PassManager.cpp b/lib/VMCore/PassManager.cpp
index 3a8a9e2..1142392 100644
--- a/lib/VMCore/PassManager.cpp
+++ b/lib/VMCore/PassManager.cpp
@@ -1528,12 +1528,12 @@ bool FPPassManager::runOnFunction(Function &F) {
 }
 
 bool FPPassManager::runOnModule(Module &M) {
-  bool Changed = doInitialization(M);
+  bool Changed = false;
 
   for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I)
     Changed |= runOnFunction(*I);
 
-  return doFinalization(M) || Changed;
+  return Changed;
 }
 
 bool FPPassManager::doInitialization(Module &M) {
@@ -1541,16 +1541,16 @@ bool FPPassManager::doInitialization(Module &M) {
 
   for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index)
     Changed |= getContainedPass(Index)->doInitialization(M);
-
+  
   return Changed;
 }
 
 bool FPPassManager::doFinalization(Module &M) {
   bool Changed = false;
-
+ 
   for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index)
     Changed |= getContainedPass(Index)->doFinalization(M);
-
+  
   return Changed;
 }
 
@@ -1572,6 +1572,10 @@ MPPassManager::runOnModule(Module &M) {
     Changed |= FPP->doInitialization(M);
   }
 
+  // Initialize module passes
+  for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index)
+    Changed |= getContainedPass(Index)->doInitialization(M);
+
   for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
     ModulePass *MP = getContainedPass(Index);
     bool LocalChanged = false;
@@ -1600,6 +1604,10 @@ MPPassManager::runOnModule(Module &M) {
     removeDeadPasses(MP, M.getModuleIdentifier(), ON_MODULE_MSG);
   }
 
+  // Finalize module passes
+  for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index)
+    Changed |= getContainedPass(Index)->doFinalization(M);
+
   // Finalize on-the-fly passes
   for (std::map<Pass *, FunctionPassManagerImpl *>::iterator
        I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end();
@@ -1610,29 +1618,7 @@ MPPassManager::runOnModule(Module &M) {
     FPP->releaseMemoryOnTheFly();
     Changed |= FPP->doFinalization(M);
   }
-
-  return Changed;
-}
-
-/// Run all of the initializers for the module passes.
-///
-bool MPPassManager::doInitialization() {
-  bool Changed = false;
-
-  for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index)
-    Changed |= getContainedPass(Index)->doInitialization();
-
-  return Changed;
-}
-
-/// Run all of the finalizers for the module passes.
-///
-bool MPPassManager::doFinalization() {
-  bool Changed = false;
-
-  for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index)
-    Changed |= getContainedPass(Index)->doFinalization();
-
+  
   return Changed;
 }
 
@@ -1692,24 +1678,6 @@ Pass* MPPassManager::getOnTheFlyPass(Pass *MP, AnalysisID PI, Function &F){
 //===----------------------------------------------------------------------===//
 // PassManagerImpl implementation
 
-bool PassManagerImpl::doInitialization() {
-  bool Changed = false;
-
-  for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index)
-    Changed |= getContainedManager(Index)->doInitialization();
-
-  return Changed;
-}
-
-bool PassManagerImpl::doFinalization() {
-  bool Changed = false;
-
-  for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index)
-    Changed |= getContainedManager(Index)->doFinalization();
-
-  return Changed;
-}
-
 //
 /// run - Execute all of the passes scheduled for execution.  Keep track of
 /// whether any of the passes modifies the module, and if so, return true.
@@ -1754,18 +1722,6 @@ bool PassManager::run(Module &M) {
   return PM->run(M);
 }
 
-/// doInitialization - Run all of the initializers for the module passes.
-///
-bool PassManager::doInitialization() {
-  return PM->doInitialization();
-}
-
-/// doFinalization - Run all of the finalizers for the module passes.
-///
-bool PassManager::doFinalization() {
-  return PM->doFinalization();
-}
-
 //===----------------------------------------------------------------------===//
 // TimingInfo Class - This class is used to calculate information about the
 // amount of time each pass takes to execute.  This only happens with