[llvm] r352691 - [GlobalISel][LegalizerHelper] Add some missing MI change observer calls.

[Amara Emerson via llvm-commits]

Author: aemerson
Date: Wed Jan 30 15:42:46 2019
New Revision: 352691

URL: http://llvm.org/viewvc/llvm-project?rev=352691&view=rev
Log:
[GlobalISel][LegalizerHelper] Add some missing MI change observer calls.

No test as it's a preventative fix.

Modified:
    llvm/trunk/lib/CodeGen/GlobalISel/LegalizerHelper.cpp

Modified: llvm/trunk/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/GlobalISel/LegalizerHelper.cpp?rev=352691&r1=352690&r2=352691&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/GlobalISel/LegalizerHelper.cpp (original)
+++ llvm/trunk/lib/CodeGen/GlobalISel/LegalizerHelper.cpp Wed Jan 30 15:42:46 2019
@@ -779,9 +779,11 @@ LegalizerHelper::LegalizeResult Legalize
   case TargetOpcode::G_SHL:
   case TargetOpcode::G_LSHR:
   case TargetOpcode::G_ASHR: {
+    Observer.changingInstr(MI);
     if (TypeIdx != 1)
       return UnableToLegalize; // TODO
     narrowScalarSrc(MI, NarrowTy, 2);
+    Observer.changedInstr(MI);
     return Legalized;
   }
   }