diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp index 2601277cd8c1..41173c9ce135 100644 --- a/llvm/lib/Analysis/ScalarEvolution.cpp +++ b/llvm/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); }