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Update comments to reflect reality.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139023 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1574,8 +1574,7 @@ bool InstCombiner::DoOneIteration(Function &F, unsigned Iteration) {
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for (Function::iterator BB = F.begin(), E = F.end(); BB != E; ++BB) {
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if (Visited.count(BB)) continue;
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// Delete the instructions backwards, as it has a reduced likelihood of
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// having to update as many def-use and use-def chains.
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// Delete the instructions.
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for (BasicBlock::iterator I = BB->begin(), E = BB->end(); I != E; ) {
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Instruction *Inst = &*I++;
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if (isa<TerminatorInst>(Inst))
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@ -1686,8 +1686,7 @@ static void DeleteInstructionInBlock(BasicBlock *BB) {
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if (isa<TerminatorInst>(BB->begin()))
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return;
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// Delete the instructions backwards, as it has a reduced likelihood of
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// having to update as many def-use and use-def chains.
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// Delete the instructions.
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for (BasicBlock::iterator I = BB->begin(), E = BB->end(); I != E; ) {
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Instruction *Inst = &*I++;
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if (isa<TerminatorInst>(Inst))
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