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Use getNumPreds(BB) instead of computing them manually. This is a very small but

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measurable speedup.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40823 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-08-04 21:06:15 +00:00
parent 1e76af3011
commit 127ed3c929
1 changed files with 4 additions and 4 deletions
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8
lib/Transforms/Utils/PromoteMemoryToRegister.cpp
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@ -496,14 +496,14 @@ void PromoteMem2Reg::run() {
if (&BB->front() != SomePHI)
continue;
// Count the number of preds for BB.
SmallVector<BasicBlock*, 16> Preds(pred_begin(BB), pred_end(BB));
// Only do work here if there the PHI nodes are missing incoming values. We
// know that all PHI nodes that were inserted in a block will have the same
// number of incoming values, so we can just check any of them.
if (SomePHI->getNumIncomingValues() == Preds.size())
if (SomePHI->getNumIncomingValues() == getNumPreds(BB))
continue;
// Get the preds for BB.
SmallVector<BasicBlock*, 16> Preds(pred_begin(BB), pred_end(BB));
// Ok, now we know that all of the PHI nodes are missing entries for some
// basic blocks. Start by sorting the incoming predecessors for efficient