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Revert r133435 and r133449 to appease buildbots.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133499 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chad Rosier
2011-06-21 02:09:03 +00:00
parent 805569f54a
commit a88a0ca808
18 changed files with 156 additions and 211 deletions
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8
lib/Transforms/Scalar/LoopUnswitch.cpp
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@ -1021,10 +1021,6 @@ void LoopUnswitch::SimplifyCode(std::vector<Instruction*> &Worklist, Loop *L) {
while (PHINode *PN = dyn_cast<PHINode>(Succ->begin()))
ReplaceUsesOfWith(PN, PN->getIncomingValue(0), Worklist, L, LPM);
// If Succ has any successors with PHI nodes, update them to have
// entries coming from Pred instead of Succ.
Succ->replaceAllUsesWith(Pred);
// Move all of the successor contents from Succ to Pred.
Pred->getInstList().splice(BI, Succ->getInstList(), Succ->begin(),
Succ->end());
@ -1032,6 +1028,10 @@ void LoopUnswitch::SimplifyCode(std::vector<Instruction*> &Worklist, Loop *L) {
BI->eraseFromParent();
RemoveFromWorklist(BI, Worklist);
// If Succ has any successors with PHI nodes, update them to have
// entries coming from Pred instead of Succ.
Succ->replaceAllUsesWith(Pred);
// Remove Succ from the loop tree.
LI->removeBlock(Succ);
LPM->deleteSimpleAnalysisValue(Succ, L);