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Tidy up BasicBlock::getFirstNonPHI, and change a bunch of places to

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use it instead of duplicating its functionality.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51499 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2008-05-23 21:05:58 +00:00
parent ee335e35ac
commit 02dea8b39f
16 changed files with 38 additions and 62 deletions
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3
lib/Transforms/Utils/SimplifyCFG.cpp
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@@ -1493,8 +1493,7 @@ bool llvm::SimplifyCFG(BasicBlock *BB) {
}
} else if (BranchInst *BI = dyn_cast<BranchInst>(BB->getTerminator())) {
if (BI->isUnconditional()) {
BasicBlock::iterator BBI = BB->begin(); // Skip over phi nodes...
while (isa<PHINode>(*BBI)) ++BBI;
BasicBlock::iterator BBI = BB->getFirstNonPHI();
BasicBlock *Succ = BI->getSuccessor(0);
if (BBI->isTerminator() && // Terminator is the only non-phi instruction!