dnovillo wrote:

> > @dnovillo it seems that this patch breaks the build with 
> > `BUILD_SHARED_LIBS`. I had to revert it in #202558 .
> > It fails with:
> > ```
> > : && /opt/rh/gcc-toolset-13/root/usr/bin/c++ -fPIC -fPIC 
> > -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time 
> > -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual 
> > -Wno-missing-field-initializers -pedantic -Wno-long-long 
> > -Wimplicit-fallthrough -Wno-uninitialized -Wno-nonnull -Wno-class-memaccess 
> > -Wno-dangling-reference -Wno-redundant-move -Wno-pessimizing-move 
> > -Wno-array-bounds -Wno-stringop-overread -Wno-dangling-pointer 
> > -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wsuggest-override 
> > -Wno-comment -Wno-misleading-indentation -Wctad-maybe-unsupported 
> > -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG  
> > -Wl,-z,defs -Wl,-z,nodelete   
> > -Wl,-rpath-link,/home/botworker/bbot/amdgpu-offload-build-only/build/./lib  
> > -Wl,--gc-sections -shared -Wl,-soname,libLLVMFrontendHLSL.so.23.0git -o 
> > lib/libLLVMFrontendHLSL.so.23.0git 
> > lib/Frontend/HLSL/CMakeFiles/LLVMFrontendHLSL.dir/CBuffer.cpp.o 
> > lib/Frontend/HLSL/CMakeFiles/LLVMFrontendHLSL.dir/HLSLBinding.cpp.o 
> > lib/Frontend/HLSL/CMakeFiles/LLVMFrontendHLSL.dir/HLSLResource.cpp.o 
> > lib/Frontend/HLSL/CMakeFiles/LLVMFrontendHLSL.dir/HLSLRootSignature.cpp.o 
> > lib/Frontend/HLSL/CMakeFiles/LLVMFrontendHLSL.dir/RootSignatureMetadata.cpp.o
> >  
> > lib/Frontend/HLSL/CMakeFiles/LLVMFrontendHLSL.dir/RootSignatureValidations.cpp.o
> >   
> > -Wl,-rpath,"\$ORIGIN/../lib:\$ORIGIN/../lib/x86_64-unknown-linux-gnu:/home/botworker/bbot/amdgpu-offload-build-only/build/lib:"
> >   lib/libLLVMCore.so.23.0git  lib/libLLVMBinaryFormat.so.23.0git  
> > lib/libLLVMSupport.so.23.0git  
> > -Wl,-rpath-link,/home/botworker/bbot/amdgpu-offload-build-only/build/lib && 
> > :
> > /opt/rh/gcc-toolset-13/root/usr/libexec/gcc/x86_64-redhat-linux/13/ld: 
> > lib/Frontend/HLSL/CMakeFiles/LLVMFrontendHLSL.dir/CBuffer.cpp.o: in 
> > function 
> > `llvm::hlsl::CBufferMetadata::removeCBufferGlobalsFromUseList(llvm::Module&)':
> > CBuffer.cpp:(.text._ZN4llvm4hlsl15CBufferMetadata31removeCBufferGlobalsFromUseListERNS_6ModuleE+0xce):
> >  undefined reference to `llvm::removeFromUsedLists(llvm::Module&, 
> > llvm::function_ref<bool (llvm::Constant*)>)'
> > ```
> > 
> > 
> >     
> >       
> >     
> > 
> >       
> >     
> > 
> >     
> >   
> > I've tried to add `TransformUtils` in the dependencies of 
> > `LLVMFrontendHLSL`, but we get a circular dependency:
> > ```
> > CMake Error: The inter-target dependency graph contains the following 
> > strongly connected component (cycle):
> >   "LLVMFrontendHLSL" of type SHARED_LIBRARY
> >     depends on "LLVMTransformUtils" (weak)
> >   "LLVMTransformUtils" of type SHARED_LIBRARY
> >     depends on "LLVMAnalysis" (weak)
> >   "LLVMAnalysis" of type SHARED_LIBRARY
> >     depends on "LLVMFrontendHLSL" (weak)
> > At least one of these targets is not a STATIC_LIBRARY.  Cyclic dependencies 
> > are allowed only among static libraries.
> > CMake Generate step failed.  Build files cannot be regenerated correctly.
> > ```
> 
> Actually, I do not think this was due to this PR. The linker failure is in 
> `CBuffer.cpp`, which #196404 does not touch. I think this may have been 
> broken by 
> [`d439fac25c03`](https://github.com/llvm/llvm-project/commit/d439fac25c03), 
> which added `removeFromUsedLists` to `LLVMFrontendHLSL/CBuffer.cpp` without 
> updating `LLVMFrontendHLSL`'s `LINK_COMPONENTS`.
> 
> Adding `LLVMTransformUtils` to `LLVMFrontendHLSL` creates a cycle through 
> `LLVMAnalysis`. Once that is fixed, this one can be re-submitted without 
> changes.

Forgot to add. I think I know how to fix this issue. Unless someone is already 
working on it?

https://github.com/llvm/llvm-project/pull/196404
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