diff options
Diffstat (limited to 'lib/Analysis/ScalarEvolution.cpp')
-rw-r--r-- | lib/Analysis/ScalarEvolution.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp index 2601277cd8..41173c9ce1 100644 --- a/lib/Analysis/ScalarEvolution.cpp +++ b/lib/Analysis/ScalarEvolution.cpp @@ -347,8 +347,9 @@ replaceSymbolicValuesWithConcrete(const SCEVHandle &Sym, bool SCEVAddRecExpr::isLoopInvariant(const Loop *QueryLoop) const { // This recurrence is invariant w.r.t to QueryLoop iff QueryLoop doesn't - // contain L. - return !QueryLoop->contains(L->getHeader()); + // contain L and if the start is invariant. + return !QueryLoop->contains(L->getHeader()) && + getOperand(0)->isLoopInvariant(QueryLoop); } |