[llvm] r353750 - GlobalISel: Fix not calling the observer when legalizing G_EXTRACT

[Matt Arsenault via llvm-commits]

Author: arsenm
Date: Mon Feb 11 13:33:54 2019
New Revision: 353750

URL: http://llvm.org/viewvc/llvm-project?rev=353750&view=rev
Log:
GlobalISel: Fix not calling the observer when legalizing G_EXTRACT

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=353750&r1=353749&r2=353750&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/GlobalISel/LegalizerHelper.cpp (original)
+++ llvm/trunk/lib/CodeGen/GlobalISel/LegalizerHelper.cpp Mon Feb 11 13:33:54 2019
@@ -981,11 +981,13 @@ LegalizerHelper::widenScalar(MachineInst
     if (Offset % SrcTy.getScalarSizeInBits() != 0)
       return UnableToLegalize;
 
+    Observer.changingInstr(MI);
     widenScalarSrc(MI, WideTy, 1, TargetOpcode::G_ANYEXT);
 
     MI.getOperand(2).setImm((WideTy.getSizeInBits() / SrcTy.getSizeInBits()) *
                             Offset);
     widenScalarDst(MI, WideTy.getScalarType(), 0);
+    Observer.changedInstr(MI);
 
     return Legalized;
   }