[llvm] [AMDGPU][GlobalISel] Add register bank legalization for G_SMIN/G_SMAX/G_UMIN/G_UMAX (PR #159821)

[Matt Arsenault via llvm-commits]

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@@ -1,6 +1,5 @@
 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
-# RUN: llc -mtriple=amdgcn -mcpu=gfx900 -run-pass=regbankselect -verify-machineinstrs -regbankselect-fast -o - %s  | FileCheck %s
-# RUN: llc -mtriple=amdgcn -mcpu=gfx900 -run-pass=regbankselect -verify-machineinstrs -regbankselect-greedy -o - %s  | FileCheck %s
+# RUN: llc -mtriple=amdgcn -mcpu=gfx900 -run-pass="amdgpu-regbankselect,amdgpu-regbanklegalize" %s -verify-machineinstrs -o - | FileCheck %s
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arsenm wrote:

End to end tests would be better, are those not already covered? 

https://github.com/llvm/llvm-project/pull/159821