diff options
| -rw-r--r-- | llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp b/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp index 6c1482a8fd3..0db7c0467dc 100644 --- a/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp +++ b/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp @@ -878,10 +878,9 @@ bool llvm::UnrollRuntimeLoopRemainder(Loop *L, unsigned Count, NewPreHeader, VMap, DT, LI, PreserveLCSSA); } - // If this loop is nested, then the loop unroller changes the code in the - // parent loop, so the Scalar Evolution pass needs to be run again. - if (Loop *ParentLoop = L->getParentLoop()) - SE->forgetLoop(ParentLoop); + // If this loop is nested, then the loop unroller changes the code in the any + // of its parent loops, so the Scalar Evolution pass needs to be run again. + SE->forgetTopmostLoop(L); // Canonicalize to LoopSimplifyForm both original and remainder loops. We // cannot rely on the LoopUnrollPass to do this because it only does |
