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Global values also don't undead-ify pointers in our dead alloca's set.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40936 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson
2007-08-08 19:12:31 +00:00
parent 362bb52108
commit 838014ee5b
1 changed files with 3 additions and 0 deletions
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3
lib/Transforms/Scalar/DeadStoreElimination.cpp
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@@ -364,6 +364,9 @@ bool DSE::RemoveUndeadPointers(Value* killPointer,
if (deadPointers.count(A)) if (deadPointers.count(A))
deadPointers.erase(A); deadPointers.erase(A);
return false; return false;
} else if (isa<GlobalValue>(killPointer)) {
// A global can't be in the dead pointer set
return false;
} }
bool MadeChange = false; bool MadeChange = false;