It seems that the failures on x64-windows and x64-windows-static are due to:

CMake Error at lib/IRReader/cmake_install.cmake:36 (file):
  file INSTALL cannot copy file
  "C:/vsts/_work/2/s/buildtrees/llvm/x64-windows-static-rel/lib/LLVMIRReader.lib"
  to
  "C:/vsts/_work/2/s/packages/llvm_x64-windows-static/lib/LLVMIRReader.lib".
Call Stack (most recent call first):
  lib/cmake_install.cmake:39 (include)
  cmake_install.cmake:56 (include)

I cannot reproduce this issue on my local. So I don't know what happened on CI.

This may be because the LLVMIRReader library fails to compile, and thus the file cannot be found. There's always an issue with Windows & LLVM. Any updates on this?

Hi @cloudrex thanks for your comments. I have checked the code in lib/IRReader folder and found that there is something different in IRReader.cpp file between 9.0.0 and 8.0.0.
In 8.0.0

static std::unique_ptr<Module>
getLazyIRModule(std::unique_ptr<MemoryBuffer> Buffer, SMDiagnostic &Err,
                LLVMContext &Context, bool ShouldLazyLoadMetadata)

In 9.0.0

std::unique_ptr<Module>
llvm::getLazyIRModule(std::unique_ptr<MemoryBuffer> Buffer, SMDiagnostic &Err,
                      LLVMContext &Context, bool ShouldLazyLoadMetadata)

But it seems that this change is not related to this issue.

I also checked the log and found that LLVMIRReader.lib has been generated successfully.

[526/2795] cmd.exe /C "cd . && C:\VS2017\Stable\VC\Tools\MSVC\14.22.27905\bin\Hostx64\x64\link.exe /lib /machine:x64 /out:lib\LLVMIRReader.lib lib\IRReader\CMakeFiles\LLVMIRReader.dir\IRReader.cpp.obj && cd ."

It is also installed here

C:/vsts/_work/2/s/packages/llvm_x64-windows-static/debug/tools/llvm/llvm-tblgen.exe
-- Installing: C:/vsts/_work/2/s/packages/llvm_x64-windows-static/debug/lib/LLVMCore.lib
-- Installing: C:/vsts/_work/2/s/packages/llvm_x64-windows-static/debug/lib/LLVMFuzzMutate.lib
-- Installing: C:/vsts/_work/2/s/packages/llvm_x64-windows-static/debug/lib/LLVMIRReader.lib
-- Installing: C:/vsts/_work/2/s/packages/llvm_x64-windows-static/debug/lib/LLVMCodeGen.lib
-- Installing: C:/vsts/_work/2/s/packages/llvm_x64-windows-static/debug/lib/LLVMSelectionDAG.lib
-- Installing: C:/vsts/_work/2/s/packages/llvm_x64-windows-static/debug/lib/LLVMAsmPrinter.lib
-- Installing: C:/vsts/_work/2/s/packages/llvm_x64-windows-static/debug/lib/LLVMMIRParser.lib

I have tested more than twice on my local and I still cannot reproduce it. So I don't know how to solve this issue now.

Thanks again for your attention.

Could anyone chime in to help solve the issue?

Additional library and tool paths for llvm need to be reconfigured in cmakelists.txt.

/azp run

/azp run

I'm trying to see the build details but it says build not found...

Please see vcpkg-windows-PR-test, the vcpkg-windows-PR has been removed.

/azp run

So is it ready to be merged? Thanks!

/azp run

There is still something to be go further investigation.
So it can't be merged now.

There is still something to be go further investigation.
So it can't be merged now.

Thanks.

@tan-wei
Thanks for your update.
Since you have updated to 10.0.0 in #10295, this PR can be closed now.