Author: lattner
Date: Tue Nov 13 15:46:23 2007
New Revision: 44068
URL: http://llvm.org/viewvc/llvm-project?rev=44068&view=rev
Log:
Fix the regression on Transforms/GlobalOpt/deadglobal-2.ll from my
patch on friday.
Modified:
llvm/trunk/lib/Transforms/IPO/GlobalOpt.cpp
Modified: llvm/trunk/lib/Transforms/IPO/GlobalOpt.cpp
URL:
http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/IPO/GlobalOpt.cpp?rev=44068&r1=44067&r2=44068&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/IPO/GlobalOpt.cpp (original)
+++ llvm/trunk/lib/Transforms/IPO/GlobalOpt.cpp Tue Nov 13 15:46:23 2007
@@ -345,14 +345,14 @@
// Do not transform "gepinst (gep constexpr (GV))" here, because forming
// "gepconstexpr (gep constexpr (GV))" will cause the two gep's to fold
// and will invalidate our notion of what Init is.
+ Constant *SubInit = 0;
if (!isa<ConstantExpr>(GEP->getOperand(0))) {
ConstantExpr *CE =
dyn_cast_or_null<ConstantExpr>(ConstantFoldInstruction(GEP));
if (Init && CE && CE->getOpcode() == Instruction::GetElementPtr)
- if (Constant *SubInit =
- ConstantFoldLoadThroughGEPConstantExpr(Init, CE))
- Changed |= CleanupConstantGlobalUsers(GEP, SubInit);
+ SubInit = ConstantFoldLoadThroughGEPConstantExpr(Init, CE);
}
+ Changed |= CleanupConstantGlobalUsers(GEP, SubInit);
if (GEP->use_empty()) {
GEP->eraseFromParent();
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