Changes in directory llvm/lib/VMCore:
PassManager.cpp updated: 1.2 -> 1.3
---
Log message:
Add ModulePassManager_New.
---
Diffs of the changes: (+54 -1)
PassManager.cpp | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 54 insertions(+), 1 deletion(-)
Index: llvm/lib/VMCore/PassManager.cpp
diff -u llvm/lib/VMCore/PassManager.cpp:1.2 llvm/lib/VMCore/PassManager.cpp:1.3
--- llvm/lib/VMCore/PassManager.cpp:1.2 Tue Nov 7 15:49:50 2006
+++ llvm/lib/VMCore/PassManager.cpp Tue Nov 7 16:03:15 2006
@@ -85,7 +85,7 @@
return false;
// TODO: Check if it suitable to manage P using this FunctionPassManager
- // or we need another instance of BasicBlockPassManager
+ // or we need another instance of FunctionPassManager
PassVector.push_back(FP);
activeBBPassManager = NULL;
@@ -110,3 +110,56 @@
}
+// ModulePassManager implementation
+
+/// Add P into pass vector if it is manageble. If P is a FunctionPass
+/// then use FunctionPassManager_New to manage it. Return FALSE if P
+/// is not manageable by this manager.
+bool
+ModulePassManager_New::addPass (Pass *P) {
+
+ // If P is FunctionPass then use function pass maanager.
+ if (FunctionPass *FP = dynamic_cast<FunctionPass*>(P)) {
+
+ activeFunctionPassManager = NULL;
+
+ if (!activeFunctionPassManager
+ || !activeFunctionPassManager->addPass(P)) {
+
+ activeFunctionPassManager = new FunctionPassManager_New();
+
+ PassVector.push_back(activeFunctionPassManager);
+ assert (!activeFunctionPassManager->addPass(FP) &&
+ "Unable to add Pass");
+ }
+ return true;
+ }
+
+ ModulePass *MP = dynamic_cast<ModulePass *>(P);
+ if (!MP)
+ return false;
+
+ // TODO: Check if it suitable to manage P using this ModulePassManager
+ // or we need another instance of ModulePassManager
+
+ PassVector.push_back(MP);
+ activeFunctionPassManager = NULL;
+ return true;
+}
+
+
+/// Execute all of the passes scheduled for execution by invoking
+/// runOnModule method. Keep track of whether any of the passes modifies
+/// the module, and if so, return true.
+bool
+ModulePassManager_New::runOnModule(Module &M) {
+ bool Changed = false;
+ for (std::vector<Pass *>::iterator itr = PassVector.begin(),
+ e = PassVector.end(); itr != e; ++itr) {
+ Pass *P = *itr;
+ ModulePass *MP = dynamic_cast<ModulePass*>(P);
+ Changed |= MP->runOnModule(M);
+ }
+ return Changed;
+}
+
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