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simplify

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37541 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2007-06-11 21:25:31 +00:00
parent e3f653606d
commit b28aaadfff
1 changed files with 3 additions and 4 deletions
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7
lib/Transforms/Utils/LoopSimplify.cpp
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@ -708,10 +708,9 @@ static bool BlockDominatesAny(BasicBlock* A, const std::vector<BasicBlock*>& B,
void LoopSimplify::UpdateDomInfoForRevectoredPreds(BasicBlock *NewBB,
std::vector<BasicBlock*> &PredBlocks) {
assert(!PredBlocks.empty() && "No predblocks??");
assert(succ_begin(NewBB) != succ_end(NewBB) &&
++succ_begin(NewBB) == succ_end(NewBB) &&
"NewBB should have a single successor!");
BasicBlock *NewBBSucc = *succ_begin(NewBB);
assert(NewBB->getTerminator()->getNumSuccessors() == 1
&& "NewBB should have a single successor!");
BasicBlock *NewBBSucc = NewBB->getTerminator()->getSuccessor(0);
DominatorTree &DT = getAnalysis<DominatorTree>();
// The newly inserted basic block will dominate existing basic blocks iff the