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Remove check for an impossible condition: the condition of the while loop has 

already checked that TmpBB->getSinglePredecessor() is non-null.

llvm-svn: 94451
This commit is contained in:
Bob Wilson 2010-01-25 21:28:05 +00:00
parent 822742fef9
commit 70c8fe5e4e
1 changed files with 0 additions and 2 deletions
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2
llvm/lib/Transforms/Scalar/GVN.cpp
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@ -1522,8 +1522,6 @@ bool GVN::processNonLocalLoad(LoadInst *LI,
while (TmpBB->getSinglePredecessor()) { while (TmpBB->getSinglePredecessor()) {
isSinglePred = true; isSinglePred = true;
TmpBB = TmpBB->getSinglePredecessor(); TmpBB = TmpBB->getSinglePredecessor();
if (!TmpBB) // If haven't found any, bail now.
return false;
if (TmpBB == LoadBB) // Infinite (unreachable) loop. if (TmpBB == LoadBB) // Infinite (unreachable) loop.
return false; return false;
if (Blockers.count(TmpBB)) if (Blockers.count(TmpBB))