[clang] [llvm] [X86][MOVRS] Support MOVRS (PR #116181)

[LLVM Continuous Integration via cfe-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-hip-vega20` running on `hip-vega20-0` while building `llvm-project,clang,llvm` at step 3 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/123/builds/9384

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

```
Step 3 (annotate) failure: '../llvm-zorg/zorg/buildbot/builders/annotated/hip-build.sh --jobs=' (failure)
...
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/IR/IntrinsicEnums.inc
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/IR/IntrinsicsX86.h
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/IR/IntrinsicsRISCV.h
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/IR/IntrinsicsS390.h
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/IR/IntrinsicsNVPTX.h
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/IR/IntrinsicsPowerPC.h
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/IR/IntrinsicsBPF.h
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/IR/IntrinsicsR600.h
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/IR/IntrinsicsHexagon.h
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/IR/IntrinsicsARM.h
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/IR/IntrinsicsLoongArch.h
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/IR/IntrinsicsMips.h
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/IR/IntrinsicsXCore.h
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/IR/IntrinsicsDirectX.h
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/IR/IntrinsicsAArch64.h
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/IR/IntrinsicsAMDGPU.h
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/IR/IntrinsicImpl.inc
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/IR/IntrinsicsSPIRV.h
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/IR/IntrinsicsWebAssembly.h
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/IR/IntrinsicsVE.h
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/IR/Attributes.inc
-- Up-to-date: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/Config
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/Config/Targets.def
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/Config/llvm-config.h
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/Config/Disassemblers.def
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/Config/TargetMCAs.def
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/Config/AsmPrinters.def
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/Config/abi-breaking.h
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/Config/AsmParsers.def
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/Config/TargetExegesis.def
-- Up-to-date: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/Frontend
-- Up-to-date: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/Frontend/OpenACC
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/Frontend/OpenACC/ACC.h.inc
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/Frontend/OpenACC/ACC.inc
-- Up-to-date: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/Frontend/OpenMP
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/Frontend/OpenMP/OMP.h.inc
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/Frontend/OpenMP/OMP.inc
-- Up-to-date: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/Support
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/Support/VCSRevision.h
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/Support/Extension.def
-- Up-to-date: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/CodeGen
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/include/llvm/CodeGen/GenVT.inc
-- Installing: /buildbot/hip-vega20-0/clang-hip-vega20/install/lib/cmake/llvm/LLVMConfigExtensions.cmake
+ update_test_suite
+ '[' '!' -d /buildbot/llvm-test-suite ']'
+ build_step 'Updating llvm-test-suite repo'
+ echo '@@@BUILD_STEP Updating llvm-test-suite repo@@@'
+ git -C /buildbot/llvm-test-suite fetch origin
@@@BUILD_STEP Updating llvm-test-suite repo@@@
fatal: unable to access 'https://github.com/llvm/llvm-test-suite.git/': Failed to connect to github.com port 443 after 129356 ms: Connection timed out
Step 9 (Updating llvm-test-suite repo) failure: Updating llvm-test-suite repo (failure)
@@@BUILD_STEP Updating llvm-test-suite repo@@@
fatal: unable to access 'https://github.com/llvm/llvm-test-suite.git/': Failed to connect to github.com port 443 after 129356 ms: Connection timed out
program finished with exit code 128
elapsedTime=750.305085

```

</details>

https://github.com/llvm/llvm-project/pull/116181