[llvm] [RISCV] Intrinsic Support for XCVelw (PR #129168)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-with-thin-lto-ubuntu` running on `as-worker-92` while building `llvm` at step 7 "test-stage1-compiler".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/127/builds/5549

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 7 (test-stage1-compiler) failure: build (failure)
...
llvm-lit: /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/llvm-project/llvm/utils/lit/lit/llvm/config.py:564: note: using ld64.lld: /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/build/stage1/bin/ld64.lld
llvm-lit: /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/llvm-project/llvm/utils/lit/lit/llvm/config.py:564: note: using wasm-ld: /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/build/stage1/bin/wasm-ld
llvm-lit: /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/build/stage1/utils/lit/tests/lit.cfg:111: warning: Setting a timeout per test not supported. Requires the Python psutil module but it could not be found. Try installing it via pip or via your operating system's package manager.
 Some tests will be skipped and the --timeout command line argument will not work.
llvm-lit: /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/llvm-project/llvm/utils/lit/lit/llvm/config.py:564: note: using ld.lld: /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/build/stage1/bin/ld.lld
llvm-lit: /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/llvm-project/llvm/utils/lit/lit/llvm/config.py:564: note: using lld-link: /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/build/stage1/bin/lld-link
llvm-lit: /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/llvm-project/llvm/utils/lit/lit/llvm/config.py:564: note: using ld64.lld: /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/build/stage1/bin/ld64.lld
llvm-lit: /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/llvm-project/llvm/utils/lit/lit/llvm/config.py:564: note: using wasm-ld: /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/build/stage1/bin/wasm-ld
-- Testing: 89233 tests, 72 workers --
Testing:  0.. 10.. 20.. 30
FAIL: Clang :: CodeGen/SystemZ/builtins-systemz-zvector.c (919 of 89233)
******************** TEST 'Clang :: CodeGen/SystemZ/builtins-systemz-zvector.c' FAILED ********************
Exit Code: 2

Command Output (stdout):
--
# RUN: at line 2
/home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/build/stage1/bin/clang -cc1 -internal-isystem /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/build/stage1/lib/clang/22/include -nostdsysteminc -target-cpu z13 -triple s390x-linux-gnu  -O2 -fzvector -flax-vector-conversions=none  -Wall -Wno-unused -Werror -emit-llvm /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/llvm-project/clang/test/CodeGen/SystemZ/builtins-systemz-zvector.c -o - | /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/build/stage1/bin/FileCheck /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/llvm-project/clang/test/CodeGen/SystemZ/builtins-systemz-zvector.c
# executed command: /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/build/stage1/bin/clang -cc1 -internal-isystem /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/build/stage1/lib/clang/22/include -nostdsysteminc -target-cpu z13 -triple s390x-linux-gnu -O2 -fzvector -flax-vector-conversions=none -Wall -Wno-unused -Werror -emit-llvm /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/llvm-project/clang/test/CodeGen/SystemZ/builtins-systemz-zvector.c -o -
# executed command: /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/build/stage1/bin/FileCheck /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/llvm-project/clang/test/CodeGen/SystemZ/builtins-systemz-zvector.c
# RUN: at line 5
/home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/build/stage1/bin/clang -cc1 -internal-isystem /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/build/stage1/lib/clang/22/include -nostdsysteminc -target-cpu z13 -triple s390x-linux-gnu  -O2 -fzvector -flax-vector-conversions=none  -Wall -Wno-unused -Werror -S /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/llvm-project/clang/test/CodeGen/SystemZ/builtins-systemz-zvector.c -o - | /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/build/stage1/bin/FileCheck /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/llvm-project/clang/test/CodeGen/SystemZ/builtins-systemz-zvector.c --check-prefix=CHECK-ASM
# executed command: /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/build/stage1/bin/clang -cc1 -internal-isystem /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/build/stage1/lib/clang/22/include -nostdsysteminc -target-cpu z13 -triple s390x-linux-gnu -O2 -fzvector -flax-vector-conversions=none -Wall -Wno-unused -Werror -S /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/llvm-project/clang/test/CodeGen/SystemZ/builtins-systemz-zvector.c -o -
# .---command stderr------------
# | fatal error: error in backend: Cannot select: intrinsic %llvm.s390.vpklsg
# `-----------------------------
# error: command failed with exit status: 70
# executed command: /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/build/stage1/bin/FileCheck /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/llvm-project/clang/test/CodeGen/SystemZ/builtins-systemz-zvector.c --check-prefix=CHECK-ASM
# .---command stderr------------
# | FileCheck error: '<stdin>' is empty.
# | FileCheck command line:  /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/build/stage1/bin/FileCheck /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/llvm-project/clang/test/CodeGen/SystemZ/builtins-systemz-zvector.c --check-prefix=CHECK-ASM
# `-----------------------------
# error: command failed with exit status: 2

--

********************
Testing:  0.. 10.. 20.. 30.. 
FAIL: LLVM :: CodeGen/X86/sse2-intrinsics-fast-isel.ll (1341 of 89233)
******************** TEST 'LLVM :: CodeGen/X86/sse2-intrinsics-fast-isel.ll' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 2
/home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/build/stage1/bin/llc < /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/llvm-project/llvm/test/CodeGen/X86/sse2-intrinsics-fast-isel.ll -show-mc-encoding -fast-isel -mtriple=i386-unknown-unknown -mattr=+sse2 | /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/build/stage1/bin/FileCheck /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/llvm-project/llvm/test/CodeGen/X86/sse2-intrinsics-fast-isel.ll --check-prefixes=CHECK,X86,SSE,X86-SSE
# executed command: /home/buildbot/as-worker-92/clang-with-thin-lto-ubuntu/build/stage1/bin/llc -show-mc-encoding -fast-isel -mtriple=i386-unknown-unknown -mattr=+sse2
# .---command stderr------------
# | LLVM ERROR: Cannot select: intrinsic %llvm.x86.sse2.clflush

```

</details>

https://github.com/llvm/llvm-project/pull/129168