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Constant split values needs upper bound and lower bound check, just like any other split value.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41389 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2007-08-25 01:09:14 +00:00
parent 09ec1b0583
commit be97c986e1
2 changed files with 52 additions and 6 deletions
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6
lib/Transforms/Scalar/LoopIndexSplit.cpp
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@@ -946,12 +946,6 @@ void LoopIndexSplit::calculateLoopBounds(SplitInfo &SD) {
// values in original loop's preheader.
// A_ExitValue = min(SplitValue, OrignalLoopExitValue)
// B_StartValue = max(SplitValue, OriginalLoopStartValue)
if (isa<ConstantInt>(SD.SplitValue)) {
SD.A_ExitValue = AEV;
SD.B_StartValue = BSV;
return;
}
Value *C1 = new ICmpInst(Sign ?
ICmpInst::ICMP_SLT : ICmpInst::ICMP_ULT,
AEV,