[llvm-commits] [llvm] r40936 - /llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp
Owen Anderson
resistor at mac.com
Wed Aug 8 12:12:31 PDT 2007
Author: resistor
Date: Wed Aug 8 14:12:31 2007
New Revision: 40936
URL: http://llvm.org/viewvc/llvm-project?rev=40936&view=rev
Log:
Global values also don't undead-ify pointers in our dead alloca's set.
Modified:
llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp
Modified: llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp?rev=40936&r1=40935&r2=40936&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp Wed Aug 8 14:12:31 2007
@@ -364,6 +364,9 @@
if (deadPointers.count(A))
deadPointers.erase(A);
return false;
+ } else if (isa<GlobalValue>(killPointer)) {
+ // A global can't be in the dead pointer set
+ return false;
}
bool MadeChange = false;
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