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authorEvan Cheng <evan.cheng@apple.com>2008-02-25 03:57:32 +0000
committerEvan Cheng <evan.cheng@apple.com>2008-02-25 03:57:32 +0000
commit01d6257e818f71025bc8da9dcbba6925047868dc (patch)
treecd364227ed9e6d34f1bce2066bf8b77346d206ac /llvm/lib/Analysis/ScalarEvolution.cpp
parent40dca46ddbcd20847c5dc7adc079e85717d5895d (diff)
downloadbcm5719-llvm-01d6257e818f71025bc8da9dcbba6925047868dc.tar.gz
bcm5719-llvm-01d6257e818f71025bc8da9dcbba6925047868dc.zip
Temporarily reverting 46959.
llvm-svn: 47542
Diffstat (limited to 'llvm/lib/Analysis/ScalarEvolution.cpp')
-rw-r--r--llvm/lib/Analysis/ScalarEvolution.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp
index 876ebd474b3..0db02d98c20 100644
--- a/llvm/lib/Analysis/ScalarEvolution.cpp
+++ b/llvm/lib/Analysis/ScalarEvolution.cpp
@@ -1919,8 +1919,8 @@ SCEVHandle ScalarEvolutionsImpl::ComputeIterationCount(const Loop *L) {
// At this point, we would like to compute how many iterations of the
// loop the predicate will return true for these inputs.
- if (LHS->isLoopInvariant(L) && !RHS->isLoopInvariant(L)) {
- // If there is a loop-invariant, force it into the RHS.
+ if (isa<SCEVConstant>(LHS) && !isa<SCEVConstant>(RHS)) {
+ // If there is a constant, force it into the RHS.
std::swap(LHS, RHS);
Cond = ICmpInst::getSwappedPredicate(Cond);
}
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