[all-commits] [llvm/llvm-project] 674689: Revert "[clang][SPIR-V] Implement -fspv-preserve-i...

[Juan Manuel Martinez Caamaño via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6746898d2bfc086947d86715e065f8dbf74e9690
      https://github.com/llvm/llvm-project/commit/6746898d2bfc086947d86715e065f8dbf74e9690
  Author: Juan Manuel Martinez Caamaño <jmartinezcaamao at gmail.com>
  Date:   2026-06-09 (Tue, 09 Jun 2026)

  Changed paths:
    M clang/include/clang/Basic/LangOptions.def
    M clang/include/clang/Options/Options.td
    M clang/lib/CodeGen/CGHLSLRuntime.cpp
    M clang/lib/Driver/ToolChains/Clang.cpp
    R clang/test/CodeGenHLSL/preserve-interface-dce.hlsl
    R clang/test/CodeGenHLSL/preserve-interface.hlsl
    R clang/test/Driver/dxc_fspv_preserve_interface.hlsl
    M llvm/lib/Target/SPIRV/SPIRVEmitIntrinsics.cpp
    R llvm/test/CodeGen/SPIRV/preserve-interface-dce.ll
    R llvm/test/CodeGen/SPIRV/preserve-interface.ll

  Log Message:
  -----------
  Revert "[clang][SPIR-V] Implement -fspv-preserve-interface (#196404)" (#202558)

This reverts commit 95c24830265cba8c4844dda3384025bac0bf96b4.

Fail log:
https://lab.llvm.org/buildbot/#/builders/226/builds/9015/steps/7/logs/stdio

```
FAILED: lib/libLLVMFrontendHLSL.so.23.0git 
: && /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*)>)'
collect2: error: ld returned 1 exit status
```



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