[llvm-commits] [llvm] r40936 - /llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp

[Owen Anderson]

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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