[llvm] [LV] Convert scatter stores with constant stride into strided stores (PR #206896)

[via llvm-commits]

github-actions[bot] wrote:

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

* 62370 tests passed
* 1869 tests skipped

All executed tests passed, but another part of the build **failed**. Click on a failure below to see the details.

<details>
<summary>[code=4294967295] bin/llvm-cxxdump.exe</summary>

```
FAILED: [code=4294967295] bin/llvm-cxxdump.exe
C:\Windows\system32\cmd.exe /C "cd . && C:\BuildTools\Common7\IDE\CommonExtensions\Microsoft\CMake\CMake\bin\cmake.exe -E vs_link_exe --msvc-ver=1944 --intdir=tools\llvm-cxxdump\CMakeFiles\llvm-cxxdump.dir --rc="C:\Program Files (x86)\Windows Kits\10\bin\10.0.26100.0\x64\rc.exe" --mt="C:\Program Files (x86)\Windows Kits\10\bin\10.0.26100.0\x64\mt.exe" --manifests  -- C:\clang\clang-msvc\bin\lld-link.exe /nologo tools\llvm-cxxdump\CMakeFiles\llvm-cxxdump.dir\llvm-cxxdump.cpp.obj tools\llvm-cxxdump\CMakeFiles\llvm-cxxdump.dir\Error.cpp.obj tools\llvm-cxxdump\CMakeFiles\llvm-cxxdump.dir\__\__\resources\windows_version_resource.rc.res  /out:bin\llvm-cxxdump.exe /implib:lib\llvm-cxxdump.lib /pdb:bin\llvm-cxxdump.pdb /version:0.0 /MANIFEST:NO /Brepro /INCREMENTAL:NO /subsystem:console  /STACK:10000000  lib\LLVMAArch64Info.lib  lib\LLVMAMDGPUInfo.lib  lib\LLVMARMInfo.lib  lib\LLVMAVRInfo.lib  lib\LLVMBPFInfo.lib  lib\LLVMHexagonInfo.lib  lib\LLVMLanaiInfo.lib  lib\LLVMLoongArchInfo.lib  lib\LLVMMipsInfo.lib  lib\LLVMMSP430Info.lib  lib\LLVMNVPTXInfo.lib  lib\LLVMPowerPCInfo.lib  lib\LLVMRISCVInfo.lib  lib\LLVMSparcInfo.lib  lib\LLVMSPIRVInfo.lib  lib\LLVMSystemZInfo.lib  lib\LLVMVEInfo.lib  lib\LLVMWebAssemblyInfo.lib  lib\LLVMX86Info.lib  lib\LLVMXCoreInfo.lib  lib\LLVMMC.lib  lib\LLVMObject.lib  lib\LLVMSupport.lib  lib\LLVMIRReader.lib  lib\LLVMBitReader.lib  lib\LLVMAsmParser.lib  lib\LLVMCore.lib  lib\LLVMRemarks.lib  lib\LLVMBitstreamReader.lib  lib\LLVMMCParser.lib  lib\LLVMDebugInfoDWARFLowLevel.lib  lib\LLVMTextAPI.lib  lib\LLVMBinaryFormat.lib  lib\LLVMTargetParser.lib  psapi.lib  shell32.lib  ole32.lib  uuid.lib  advapi32.lib  ws2_32.lib  ntdll.lib  delayimp.lib  -delayload:shell32.dll  -delayload:ole32.dll  lib\LLVMDemangle.lib  kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib && cd ."
LINK: command "C:\clang\clang-msvc\bin\lld-link.exe /nologo tools\llvm-cxxdump\CMakeFiles\llvm-cxxdump.dir\llvm-cxxdump.cpp.obj tools\llvm-cxxdump\CMakeFiles\llvm-cxxdump.dir\Error.cpp.obj tools\llvm-cxxdump\CMakeFiles\llvm-cxxdump.dir\__\__\resources\windows_version_resource.rc.res /out:bin\llvm-cxxdump.exe /implib:lib\llvm-cxxdump.lib /pdb:bin\llvm-cxxdump.pdb /version:0.0 /MANIFEST:NO /Brepro /INCREMENTAL:NO /subsystem:console /STACK:10000000 lib\LLVMAArch64Info.lib lib\LLVMAMDGPUInfo.lib lib\LLVMARMInfo.lib lib\LLVMAVRInfo.lib lib\LLVMBPFInfo.lib lib\LLVMHexagonInfo.lib lib\LLVMLanaiInfo.lib lib\LLVMLoongArchInfo.lib lib\LLVMMipsInfo.lib lib\LLVMMSP430Info.lib lib\LLVMNVPTXInfo.lib lib\LLVMPowerPCInfo.lib lib\LLVMRISCVInfo.lib lib\LLVMSparcInfo.lib lib\LLVMSPIRVInfo.lib lib\LLVMSystemZInfo.lib lib\LLVMVEInfo.lib lib\LLVMWebAssemblyInfo.lib lib\LLVMX86Info.lib lib\LLVMXCoreInfo.lib lib\LLVMMC.lib lib\LLVMObject.lib lib\LLVMSupport.lib lib\LLVMIRReader.lib lib\LLVMBitReader.lib lib\LLVMAsmParser.lib lib\LLVMCore.lib lib\LLVMRemarks.lib lib\LLVMBitstreamReader.lib lib\LLVMMCParser.lib lib\LLVMDebugInfoDWARFLowLevel.lib lib\LLVMTextAPI.lib lib\LLVMBinaryFormat.lib lib\LLVMTargetParser.lib psapi.lib shell32.lib ole32.lib uuid.lib advapi32.lib ws2_32.lib ntdll.lib delayimp.lib -delayload:shell32.dll -delayload:ole32.dll lib\LLVMDemangle.lib kernel32.lib user32.lib gdi32.lib winspool.lib shell32.lib ole32.lib oleaut32.lib uuid.lib comdlg32.lib advapi32.lib" failed (exit code 1) with the following output:
lld-link: error: undefined symbol: LLVMInitializeSparcTargetInfo
>>> referenced by tools\llvm-cxxdump\CMakeFiles\llvm-cxxdump.dir\llvm-cxxdump.cpp.obj:(void __cdecl llvm::InitializeAllTargetInfos(void))
```
</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/206896