[LoopDist] Also emit optimization remark on success (-Rpass=)

The option -Rpass=loop-distribute now reports the loops that were
distributed.

llvm-svn: 268006

1 files changed, 3 insertions, 0 deletions

diff --git a/llvm/lib/Transforms/Scalar/LoopDistribute.cpp b/llvm/lib/Transforms/Scalar/LoopDistribute.cpp
index 50df14de866..dee21676165 100644
--- a/llvm/lib/Transforms/Scalar/LoopDistribute.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopDistribute.cpp
@@ -742,6 +742,9 @@ public:
     }
 
     ++NumLoopsDistributed;
+    // Report the success.
+    emitOptimizationRemark(F->getContext(), LDIST_NAME, *F, L->getStartLoc(),
+                           "distributed loop");
     return true;
   }