[llvm] [WIP][Don't merge] New test for untested SPIRV backend case (PR #185686)

[via llvm-commits]

github-actions[bot] wrote:

<!--PREMERGE ADVISOR COMMENT: Windows-->
# :window: Windows x64 Test Results

* 132068 tests passed
* 2991 tests skipped
* 1 test failed

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

### LLVM
<details>
<summary>LLVM.CodeGen/SPIRV/instructions/icmp.ll</summary>

```
Exit Code: 2

Command Output (stdout):
--
# RUN: at line 1
c:\_work\llvm-project\llvm-project\build\bin\llc.exe -verify-machineinstrs -O0 -mtriple=spirv32-unknown-unknown C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\SPIRV\instructions\icmp.ll -o - | c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\SPIRV\instructions\icmp.ll
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\llc.exe' -verify-machineinstrs -O0 -mtriple=spirv32-unknown-unknown 'C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\SPIRV\instructions\icmp.ll' -o -
# .---command stderr------------
# | PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace and instructions to reproduce the bug.
# | Stack dump:
# | 0.	Program arguments: c:\\_work\\llvm-project\\llvm-project\\build\\bin\\llc.exe -verify-machineinstrs -O0 -mtriple=spirv32-unknown-unknown C:\\_work\\llvm-project\\llvm-project\\llvm\\test\\CodeGen\\SPIRV\\instructions\\icmp.ll -o -
# | 1.	Running pass 'Function Pass Manager' on module 'C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\SPIRV\instructions\icmp.ll'.
# | 2.	Running pass 'InstructionSelect' on function '@test_v16_ne'
# | Exception Code: 0xC000001D
# |  #0 0x00007ff71d0b97e6 (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x2cf97e6)
# |  #1 0x00007ffaeb95bb04 (C:\Windows\System32\ucrtbase.dll+0x7bb04)
# |  #2 0x00007ffaeb95cad1 (C:\Windows\System32\ucrtbase.dll+0x7cad1)
# |  #3 0x00007ff71df80eda (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x3bc0eda)
# |  #4 0x00007ff71df69d92 (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x3ba9d92)
# |  #5 0x00007ff71df67913 (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x3ba7913)
# |  #6 0x00007ff71b0a4bb9 (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0xce4bb9)
# |  #7 0x00007ff71b0a41f1 (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0xce41f1)
# |  #8 0x00007ff71ae09c73 (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0xa49c73)
# |  #9 0x00007ff71a879c89 (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x4b9c89)
# | #10 0x00007ff71a88271d (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x4c271d)
# | #11 0x00007ff71a87a908 (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x4ba908)
# | #12 0x00007ff71a3c7908 (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x7908)
# | #13 0x00007ff71a3c4b76 (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x4b76)
# | #14 0x00007ff71eb85cb0 (c:\_work\llvm-project\llvm-project\build\bin\llc.exe+0x47c5cb0)
# | #15 0x00007ffaf0814cb0 (C:\Windows\System32\KERNEL32.DLL+0x14cb0)
# | #16 0x00007ffafc9fedcb (C:\Windows\SYSTEM32\ntdll.dll+0x7edcb)
# `-----------------------------
# error: command failed with exit status: 0xc000001d
# executed command: 'c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe' 'C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\SPIRV\instructions\icmp.ll'
# .---command stderr------------
# | FileCheck error: '<stdin>' is empty.
# | FileCheck command line:  c:\_work\llvm-project\llvm-project\build\bin\filecheck.exe C:\_work\llvm-project\llvm-project\llvm\test\CodeGen\SPIRV\instructions\icmp.ll
# `-----------------------------
# error: command failed with exit status: 2

--

```
</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/185686