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[CorrelatedValuePropagation] Remove comment about iterating switch cases in reverse order. This is no longer being done after r298791. NFC

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@306151 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper 2017-06-23 20:28:35 +00:00
parent 055ae72128
commit 5c4dd22e83
1 changed files with 1 additions and 2 deletions
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3
lib/Transforms/Scalar/CorrelatedValuePropagation.cpp
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@ -232,8 +232,7 @@ static bool processSwitch(SwitchInst *SI, LazyValueInfo *LVI) {
pred_iterator PB = pred_begin(BB), PE = pred_end(BB);
if (PB == PE) return false;
// Analyse each switch case in turn. This is done in reverse order so that
// removing a case doesn't cause trouble for the iteration.
// Analyse each switch case in turn.
bool Changed = false;
for (auto CI = SI->case_begin(), CE = SI->case_end(); CI != CE;) {
ConstantInt *Case = CI->getCaseValue();