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Fix a case that caused this to crash on 178.galgel

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22653 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2005-08-04 19:26:19 +00:00
parent 7db543f887
commit 7a2ca56ef3
1 changed files with 6 additions and 0 deletions
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6
lib/Transforms/Scalar/LoopStrengthReduce.cpp
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@ -415,6 +415,12 @@ static SCEVHandle GetImmediateValues(SCEVHandle Val, bool isAddress, Loop *L) {
return GetImmediateValues(SARE->getStart(), isAddress, L); return GetImmediateValues(SARE->getStart(), isAddress, L);
} }
if (!Val->isLoopInvariant(L)) {
// If this is a loop-variant expression, it must stay in the immediate
// field of the expression.
return Val;
}
return SCEVUnknown::getIntegerSCEV(0, Val->getType()); return SCEVUnknown::getIntegerSCEV(0, Val->getType());
} }