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revert 123144, reenabling the rest of memset formation.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123302 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2011-01-12 03:25:15 +00:00
parent 7d29ffbe5b
commit d318fc2ceb
2 changed files with 3 additions and 7 deletions
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3
lib/Transforms/Scalar/MemCpyOptimizer.cpp
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@ -517,9 +517,6 @@ bool MemCpyOpt::processStore(StoreInst *SI, BasicBlock::iterator &BBI) {
}
bool MemCpyOpt::processMemSet(MemSetInst *MSI, BasicBlock::iterator &BBI) {
// Temporarily disable this.
return false;
// See if there is another memset or store neighboring this memset which
// allows us to widen out the memset to do a single larger store.
if (isa<ConstantInt>(MSI->getLength()) && !MSI->isVolatile())