Revert r108401; it breaks bootstrap :(

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108407 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman 2010-07-15 05:09:31 +00:00
parent 3ed60a2a22
commit e2f93131fb

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@ -443,9 +443,7 @@ void llvm::ReplaceAndSimplifyAllUses(Instruction *From, Value *To,
// FromHandle - This keeps a weakvh on the from value so that we can know if
// it gets deleted out from under us in a recursive simplification.
WeakVH FromHandle(From);
// Double-check that To isn't deleted.
AssertingVH<> CheckedTo = To;
while (!From->use_empty()) {
// Update the instruction to use the new value.
Use &U = From->use_begin().getUse();