From 5a66cb9a4450e5b7b0f5f586ab47a529c478223b Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Fri, 22 Jan 2010 05:46:59 +0000
Subject: [PATCH] eliminate dynamic_cast from this file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94157 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Analysis/IPA/CallGraphSCCPass.cpp | 37 +++++++++++++++------------
 1 file changed, 20 insertions(+), 17 deletions(-)

diff --git a/lib/Analysis/IPA/CallGraphSCCPass.cpp b/lib/Analysis/IPA/CallGraphSCCPass.cpp
index d31d814153b..0e333d17745 100644
--- a/lib/Analysis/IPA/CallGraphSCCPass.cpp
+++ b/lib/Analysis/IPA/CallGraphSCCPass.cpp
@@ -93,7 +93,10 @@ char CGPassManager::ID = 0;
 bool CGPassManager::RunPassOnSCC(Pass *P, std::vector<CallGraphNode*> &CurSCC,
                                  CallGraph &CG, bool &CallGraphUpToDate) {
   bool Changed = false;
-  if (CallGraphSCCPass *CGSP = dynamic_cast<CallGraphSCCPass*>(P)) {
+  PMDataManager *PM = P->getAsPMDataManager();
+
+  if (PM == 0) {
+    CallGraphSCCPass *CGSP = (CallGraphSCCPass*)P;
     if (!CallGraphUpToDate) {
       RefreshCallGraph(CurSCC, CG, false);
       CallGraphUpToDate = true;
@@ -113,8 +116,10 @@ bool CGPassManager::RunPassOnSCC(Pass *P, std::vector<CallGraphNode*> &CurSCC,
     return Changed;
   }
   
-  FPPassManager *FPP = dynamic_cast<FPPassManager *>(P);
-  assert(FPP && "Invalid CGPassManager member");
+  
+  assert(PM->getPassManagerType() == PMT_FunctionPassManager &&
+         "Invalid CGPassManager member");
+  FPPassManager *FPP = (FPPassManager*)P;
   
   // Run pass P on all functions in the current SCC.
   for (unsigned i = 0, e = CurSCC.size(); i != e; ++i) {
@@ -363,14 +368,13 @@ bool CGPassManager::runOnModule(Module &M) {
 /// Initialize CG
 bool CGPassManager::doInitialization(CallGraph &CG) {
   bool Changed = false;
-  for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {  
-    Pass *P = getContainedPass(Index);
-    if (CallGraphSCCPass *CGSP = dynamic_cast<CallGraphSCCPass *>(P)) {
-      Changed |= CGSP->doInitialization(CG);
+  for (unsigned i = 0, e = getNumContainedPasses(); i != e; ++i) {  
+    if (PMDataManager *PM = getContainedPass(i)->getAsPMDataManager()) {
+      assert(PM->getPassManagerType() == PMT_FunctionPassManager &&
+             "Invalid CGPassManager member");
+      Changed |= ((FPPassManager*)PM)->doInitialization(CG.getModule());
     } else {
-      FPPassManager *FP = dynamic_cast<FPPassManager *>(P);
-      assert (FP && "Invalid CGPassManager member");
-      Changed |= FP->doInitialization(CG.getModule());
+      Changed |= ((CallGraphSCCPass*)getContainedPass(i))->doInitialization(CG);
     }
   }
   return Changed;
@@ -379,14 +383,13 @@ bool CGPassManager::doInitialization(CallGraph &CG) {
 /// Finalize CG
 bool CGPassManager::doFinalization(CallGraph &CG) {
   bool Changed = false;
-  for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {  
-    Pass *P = getContainedPass(Index);
-    if (CallGraphSCCPass *CGSP = dynamic_cast<CallGraphSCCPass *>(P)) {
-      Changed |= CGSP->doFinalization(CG);
+  for (unsigned i = 0, e = getNumContainedPasses(); i != e; ++i) {  
+    if (PMDataManager *PM = getContainedPass(i)->getAsPMDataManager()) {
+      assert(PM->getPassManagerType() == PMT_FunctionPassManager &&
+             "Invalid CGPassManager member");
+      Changed |= ((FPPassManager*)PM)->doFinalization(CG.getModule());
     } else {
-      FPPassManager *FP = dynamic_cast<FPPassManager *>(P);
-      assert (FP && "Invalid CGPassManager member");
-      Changed |= FP->doFinalization(CG.getModule());
+      Changed |= ((CallGraphSCCPass*)getContainedPass(i))->doFinalization(CG);
     }
   }
   return Changed;
-- 
2.34.1