1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp b/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
index ac4abc89c76..62eb12c37a2 100644
--- a/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
+++ b/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
@@ -375,9 +375,11 @@ void PassManagerBuilder::addFunctionSimplificationPasses(
   addExtensionsToPM(EP_LateLoopOptimizations, MPM);
   MPM.add(createLoopDeletionPass());          // Delete dead loops
 
-  if (EnableLoopInterchange)
+  if (EnableLoopInterchange) {
+    // FIXME: These are function passes and break the loop pass pipeline.
     MPM.add(createLoopInterchangePass()); // Interchange loops
-
+    MPM.add(createCFGSimplificationPass());
+  }
   if (!DisableUnrollLoops)
     MPM.add(createSimpleLoopUnrollPass(OptLevel));    // Unroll small loops
   addExtensionsToPM(EP_LoopOptimizerEnd, MPM);