[PATCH] D89100: [GlobalISel] Look through truncs and extends in narrowScalarShift

[Jessica Paquette via Phabricator via llvm-commits]

paquette accepted this revision.
paquette added a comment.
This revision is now accepted and ready to land.

I think this seems reasonable with a minor nit



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Comment at: llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp:4883
+    return narrowScalarShiftByConstant(MI, VRegAndVal->Value, HalfTy,
+                                       MRI.getType(Amt));
   }
----------------
Reuse ShiftAmtTy?


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D89100/new/

https://reviews.llvm.org/D89100