Add doInitialization and doFinalization methods to ModulePass's, to allow them to be re-initialized and reused on multiple Module's.
Patch by Pedro Artigas.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168008 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/IPA/CallGraphSCCPass.cpp b/lib/Analysis/IPA/CallGraphSCCPass.cpp
index 449b7ee..f486937 100644
--- a/lib/Analysis/IPA/CallGraphSCCPass.cpp
+++ b/lib/Analysis/IPA/CallGraphSCCPass.cpp
@@ -51,6 +51,9 @@
/// whether any of the passes modifies the module, and if so, return true.
bool runOnModule(Module &M);
+ using ModulePass::doInitialization;
+ using ModulePass::doFinalization;
+
bool doInitialization(CallGraph &CG);
bool doFinalization(CallGraph &CG);
diff --git a/lib/VMCore/PassManager.cpp b/lib/VMCore/PassManager.cpp
index 53f1149..b70a27e 100644
--- a/lib/VMCore/PassManager.cpp
+++ b/lib/VMCore/PassManager.cpp
@@ -309,6 +309,14 @@
/// whether any of the passes modifies the module, and if so, return true.
bool runOnModule(Module &M);
+ /// doInitialization - Run all of the initializers for the module passes.
+ ///
+ bool doInitialization(void);
+
+ /// doFinalization - Run all of the finalizers for the module passes.
+ ///
+ bool doFinalization(void);
+
/// Pass Manager itself does not invalidate any analysis info.
void getAnalysisUsage(AnalysisUsage &Info) const {
Info.setPreservesAll();
@@ -394,6 +402,14 @@
/// whether any of the passes modifies the module, and if so, return true.
bool run(Module &M);
+ /// doInitialization - Run all of the initializers for the module passes.
+ ///
+ bool doInitialization(void);
+
+ /// doFinalization - Run all of the finalizers for the module passes.
+ ///
+ bool doFinalization(void);
+
/// Pass Manager itself does not invalidate any analysis info.
void getAnalysisUsage(AnalysisUsage &Info) const {
Info.setPreservesAll();
@@ -1594,6 +1610,29 @@
FPP->releaseMemoryOnTheFly();
Changed |= FPP->doFinalization(M);
}
+
+ return Changed;
+}
+
+/// Run all of the initializers for the module passes.
+///
+bool MPPassManager::doInitialization(void) {
+ 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(void) {
+ bool Changed = false;
+
+ for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index)
+ Changed |= getContainedPass(Index)->doFinalization();
+
return Changed;
}
@@ -1640,6 +1679,25 @@
//===----------------------------------------------------------------------===//
// PassManagerImpl implementation
+
+bool PassManagerImpl::doInitialization(void) {
+ bool Changed = false;
+
+ for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index)
+ Changed |= getContainedManager(Index)->doInitialization();
+
+ return Changed;
+}
+
+bool PassManagerImpl::doFinalization(void) {
+ 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.
@@ -1684,6 +1742,18 @@
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