Index: lib/CodeGen/TargetInstrInfo.cpp
===================================================================
--- lib/CodeGen/TargetInstrInfo.cpp
+++ lib/CodeGen/TargetInstrInfo.cpp
@@ -846,7 +846,7 @@
 
   // Avoid instructions obviously unsafe for remat.
   if (MI->isNotDuplicable() || MI->mayStore() ||
-      MI->hasUnmodeledSideEffects())
+      MI->hasUnmodeledSideEffects() || MI->isConvergent())
     return false;
 
   // Don't remat inline asm. We have no idea how expensive it is