[llvm] Reland "[lit] Refactor available `ptxas` features" (PR #155923)

[Vladimir Vereschaka via llvm-commits]

https://github.com/vvereschaka requested changes to this pull request.

@justinfargnoli ,

I see `atomics-b128.ll` test failures on the windows builders:
```
FAIL: LLVM :: CodeGen/NVPTX/atomics-b128.ll (16886 of 60734)
******************** TEST 'LLVM :: CodeGen/NVPTX/atomics-b128.ll' FAILED ********************
Exit Code: 4294967295

Command Output (stdout):
--
# RUN: at line 2
not c:\buildbot\temp\build\bin\llc.exe < C:\buildbot\temp\llvm-project\llvm\test\CodeGen\NVPTX\atomics-b128.ll -mcpu=sm_90 -mattr=+ptx82 2>&1 | c:\buildbot\temp\build\bin\filecheck.exe C:\buildbot\temp\llvm-project\llvm\test\CodeGen\NVPTX\atomics-b128.ll --check-prefix=ERROR
# executed command: not 'c:\buildbot\temp\build\bin\llc.exe' -mcpu=sm_90 -mattr=+ptx82
# executed command: 'c:\buildbot\temp\build\bin\filecheck.exe' 'C:\buildbot\temp\llvm-project\llvm\test\CodeGen\NVPTX\atomics-b128.ll' --check-prefix=ERROR
# RUN: at line 3
not c:\buildbot\temp\build\bin\llc.exe < C:\buildbot\temp\llvm-project\llvm\test\CodeGen\NVPTX\atomics-b128.ll -mcpu=sm_80 -mattr=+ptx84 2>&1 | c:\buildbot\temp\build\bin\filecheck.exe C:\buildbot\temp\llvm-project\llvm\test\CodeGen\NVPTX\atomics-b128.ll --check-prefix=ERROR
# executed command: not 'c:\buildbot\temp\build\bin\llc.exe' -mcpu=sm_80 -mattr=+ptx84
# executed command: 'c:\buildbot\temp\build\bin\filecheck.exe' 'C:\buildbot\temp\llvm-project\llvm\test\CodeGen\NVPTX\atomics-b128.ll' --check-prefix=ERROR
# RUN: at line 4
c:\buildbot\temp\build\bin\llc.exe < C:\buildbot\temp\llvm-project\llvm\test\CodeGen\NVPTX\atomics-b128.ll -mcpu=sm_90 -mattr=+ptx84 | c:\buildbot\temp\build\bin\filecheck.exe C:\buildbot\temp\llvm-project\llvm\test\CodeGen\NVPTX\atomics-b128.ll --check-prefix=CHECK
# executed command: 'c:\buildbot\temp\build\bin\llc.exe' -mcpu=sm_90 -mattr=+ptx84
# executed command: 'c:\buildbot\temp\build\bin\filecheck.exe' 'C:\buildbot\temp\llvm-project\llvm\test\CodeGen\NVPTX\atomics-b128.ll' --check-prefix=CHECK
# RUN: at line 5
c:\buildbot\temp\build\bin\llc.exe < C:\buildbot\temp\llvm-project\llvm\test\CodeGen\NVPTX\atomics-b128.ll -mcpu=sm_90 -mattr=+ptx84 | c:/buildbot/latest-cuda/bin/ptxas.exe -c - -arch=sm_90
# executed command: 'c:\buildbot\temp\build\bin\llc.exe' -mcpu=sm_90 -mattr=+ptx84
# executed command: c:/buildbot/latest-cuda/bin/ptxas.exe -c - -arch=sm_90
# .---command stdout------------
# | ptxas C:\Users\buildbot\AppData\Local\Temp\4\lit-tmp-xv6morib/tmpxft_000008d4_00000000-0_stdin, line 1082; error   : Unknown modifier '.seq_cst'
# | ptxas fatal   : Ptx assembly aborted due to errors
# `-----------------------------
# error: command failed with exit status: 0xffffffff

--

********************
```
I see the same problem on the windows buildbots for the past 20 hours.
https://lab.llvm.org/buildbot/#/builders/54/builds/12254/steps/7/logs/FAIL__LLVM__atomics-b128_ll

Do you plan to fix this test in the mainline?

https://github.com/llvm/llvm-project/pull/155923