[llvm] AMDGPU/GlobalISel: Regbanklegalize rules for G_UNMERGE_VALUES (PR #171653)

[via llvm-commits]

github-actions[bot] wrote:

<!--PREMERGE ADVISOR COMMENT: Linux-->
# :penguin: Linux x64 Test Results

* 166983 tests passed
* 2928 tests skipped
* 1 test failed

## Failed Tests
(click on a test name to see its output)

### LLVM
<details>
<summary>LLVM.CodeGen/AMDGPU/GlobalISel/fpext.ll</summary>

```
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 2
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -global-isel -new-reg-bank-select -mtriple=amdgcn-amd-amdpal -mattr=-real-true16 -mcpu=gfx1100 -o - /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/fpext.ll | /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck -check-prefixes=GFX11,GFX11-FAKE16 /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/fpext.ll
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -global-isel -new-reg-bank-select -mtriple=amdgcn-amd-amdpal -mattr=-real-true16 -mcpu=gfx1100 -o - /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/fpext.ll
# note: command had no output on stdout or stderr
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck -check-prefixes=GFX11,GFX11-FAKE16 /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/fpext.ll
# note: command had no output on stdout or stderr
# RUN: at line 3
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -global-isel -new-reg-bank-select -mtriple=amdgcn-amd-amdpal -mattr=+real-true16 -mcpu=gfx1100 -o - /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/fpext.ll | /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck -check-prefixes=GFX11,GFX11-TRUE16 /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/fpext.ll
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/llc -global-isel -new-reg-bank-select -mtriple=amdgcn-amd-amdpal -mattr=+real-true16 -mcpu=gfx1100 -o - /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/fpext.ll
# note: command had no output on stdout or stderr
# executed command: /home/gha/actions-runner/_work/llvm-project/llvm-project/build/bin/FileCheck -check-prefixes=GFX11,GFX11-TRUE16 /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/fpext.ll
# .---command stderr------------
# | /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/fpext.ll:149:22: error: GFX11-TRUE16-NEXT: is not on the line after the previous match
# | ; GFX11-TRUE16-NEXT: v_cvt_f32_f16_e32 v0, s0
# |                      ^
# | <stdin>:281:2: note: 'next' match was here
# |  v_cvt_f32_f16_e32 v0, s0
# |  ^
# | <stdin>:279:9: note: previous match ended here
# | ; %bb.0:
# |         ^
# | <stdin>:280:1: note: non-matching line after previous match is here
# |  s_lshr_b32 s1, s0, 16
# | ^
# | 
# | Input file: <stdin>
# | Check file: /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/fpext.ll
# | 
# | -dump-input=help explains the following input dump.
# | 
# | Input was:
# | <<<<<<
# |           .
# |           .
# |           .
# |         276:  .p2align 8 
# |         277:  .type fpext_v2f16_to_v2f32_uniform, at function 
# |         278: fpext_v2f16_to_v2f32_uniform: ; @fpext_v2f16_to_v2f32_uniform 
# |         279: ; %bb.0: 
# |         280:  s_lshr_b32 s1, s0, 16 
# |         281:  v_cvt_f32_f16_e32 v0, s0 
# | next:149      !~~~~~~~~~~~~~~~~~~~~~~~  error: match on wrong line
# |         282:  v_cvt_f32_f16_e32 v1, s1 
# |         283:  ; return to shader part epilog 
# |         284: .Lfunc_end6: 
# |         285:  .size fpext_v2f16_to_v2f32_uniform, .Lfunc_end6-fpext_v2f16_to_v2f32_uniform 
# |         286:  ; -- End function 
# |           .
# |           .
# |           .
# | >>>>>>
# `-----------------------------
# error: command failed with exit status: 1

--

```
</details>

If these failures are unrelated to your changes (for example tests are broken or flaky at HEAD), please open an issue at https://github.com/llvm/llvm-project/issues and add the `infrastructure` label.

https://github.com/llvm/llvm-project/pull/171653