[PATCH] D99469: GlobalISel: Restrict narrow scalar for fptoui/fptosi results

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: aemerson, paquette, aditya_nandakumar, dsanders, bogner, nikic.
Herald added subscribers: hiraditya, tpr, rovka.
arsenm requested review of this revision.
Herald added a subscriber: wdng.
Herald added a project: LLVM.

This practically only works for the f16 case AMDGPU uses, not wider
types.

      

Fixes bug 49710 by failing legalization.


https://reviews.llvm.org/D99469

Files:
  llvm/include/llvm/CodeGen/GlobalISel/LegalizerHelper.h
  llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
  llvm/test/CodeGen/AArch64/GlobalISel/legalize-fptoi.mir

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