[all-commits] [llvm/llvm-project] 877a07: GlobalISel: Restrict narrow scalar for fptoui/fpto...

[Matt Arsenault via All-commits]

  Branch: refs/heads/release/12.x
  Home:   https://github.com/llvm/llvm-project
  Commit: 877a07bfb3b9a0bbaa3b63a222448b11d85821f0
      https://github.com/llvm/llvm-project/commit/877a07bfb3b9a0bbaa3b63a222448b11d85821f0
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2021-05-11 (Tue, 11 May 2021)

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

  Log Message:
  -----------
  GlobalISel: Restrict narrow scalar for fptoui/fptosi results

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

Fixes bug 49710 by failing legalization.

(cherry picked from commit 83a25a101051b404bec1a5ba9cb867705f31262d)