bool safeExitBlock(SplitInfo &SD, BasicBlock *BB);
/// removeBlocks - Remove basic block BB and all blocks dominated by BB.
- void removeBlocks(BasicBlock *InBB);
+ void removeBlocks(BasicBlock *InBB, Loop *LP);
/// Find cost of spliting loop L.
unsigned findSplitCost(Loop *L, SplitInfo &SD);
}
/// removeBlocks - Remove basic block BB and all blocks dominated by BB.
-void LoopIndexSplit::removeBlocks(BasicBlock *InBB) {
+void LoopIndexSplit::removeBlocks(BasicBlock *InBB, Loop *LP) {
SmallVector<std::pair<BasicBlock *, succ_iterator>, 8> WorkList;
WorkList.push_back(std::make_pair(InBB, succ_begin(InBB)));
I->replaceAllUsesWith(UndefValue::get(I->getType()));
I->eraseFromParent();
}
+ LPM->deleteSimpleAnalysisValue(BB, LP);
DT->eraseNode(BB);
DF->removeBlock(BB);
LI->removeBlock(BB);
BranchInst *BR = cast<BranchInst>(SplitBlock->getTerminator());
BasicBlock *FBB = BR->getSuccessor(1);
BR->setUnconditionalDest(BR->getSuccessor(0));
- removeBlocks(FBB);
+ removeBlocks(FBB, L);
//[*] Update True loop's exit value using new exit value.
ExitCondition->setOperand(ExitValueNum, TLExitValue);
BranchInst *FBR = cast<BranchInst>(FSplitBlock->getTerminator());
BasicBlock *TBB = FBR->getSuccessor(0);
FBR->setUnconditionalDest(FBR->getSuccessor(1));
- removeBlocks(TBB);
+ removeBlocks(TBB, FalseLoop);
return true;
}