From: Chris Lattner <sabre@nondot.org>
Date: Mon, 26 Sep 2005 07:34:35 +0000 (+0000)
Subject: Add a debug printout, fix a crash on kc++
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=aae4a1cd3f5d41d0b909a75b4f5699b20605db5e;p=oota-llvm.git

Add a debug printout, fix a crash on kc++


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23450 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/IPO/GlobalOpt.cpp b/lib/Transforms/IPO/GlobalOpt.cpp
index 7b06e41374b..fe805f414ac 100644
--- a/lib/Transforms/IPO/GlobalOpt.cpp
+++ b/lib/Transforms/IPO/GlobalOpt.cpp
@@ -320,7 +320,9 @@ static bool CleanupConstantGlobalUsers(Value *V, Constant *Init) {
       Changed = true;
     } else if (ConstantExpr *CE = dyn_cast<ConstantExpr>(U)) {
       if (CE->getOpcode() == Instruction::GetElementPtr) {
-        Constant *SubInit = ConstantFoldLoadThroughGEPConstantExpr(Init, CE);
+        Constant *SubInit = 0;
+        if (Init)
+          SubInit = ConstantFoldLoadThroughGEPConstantExpr(Init, CE);
         Changed |= CleanupConstantGlobalUsers(CE, SubInit);
       } else if (CE->getOpcode() == Instruction::Cast &&
                  isa<PointerType>(CE->getType())) {
@@ -1481,6 +1483,9 @@ static bool EvaluateStaticConstructor(Function *F) {
   for (std::map<Constant*, Constant*>::iterator I = MutatedMemory.begin(),
        E = MutatedMemory.end(); I != E; ++I)
     CommitValueTo(I->second, I->first);
+  
+  DEBUG(std::cerr << "FULLY EVALUATED GLOBAL CTOR FUNCTION '" <<
+        F->getName() << "'\n");
   return true;
 }