[clang] [llvm] [HLSL][RootSignature] Implement initial parsing of the descriptor table clause params (PR #133800)

Thu Apr 17 20:58:50 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `arc-builder` running on `arc-worker` while building `clang,llvm` at step 5 "build-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/3/builds/14699

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

```
Step 5 (build-unified-tree) failure: build (failure)
...
0.431 [263/7/54] Building DiagnosticParseKinds.inc...
0.443 [263/6/55] Building DiagnosticSerializationCompatIDs.inc...
0.446 [263/5/56] Building DiagnosticSemaEnums.inc...
0.487 [135/16/57] Generating VCSVersion.inc
3.193 [134/16/58] Building CXX object tools/llvm-config/CMakeFiles/llvm-config.dir/llvm-config.cpp.o
3.356 [133/16/59] Linking CXX executable bin/llvm-config
4.303 [132/16/60] Building CXX object tools/clang/lib/Basic/CMakeFiles/obj.clangBasic.dir/Version.cpp.o
4.970 [131/16/61] Building CXX object lib/Object/CMakeFiles/LLVMObject.dir/IRSymtab.cpp.o
5.037 [130/16/62] Linking CXX static library lib/libLLVMObject.a
5.435 [129/16/63] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseHLSLRootSignature.cpp.o
FAILED: tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseHLSLRootSignature.cpp.o 
/usr/bin/c++ -DCLANG_EXPORTS -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Itools/clang/lib/Parse -I/buildbot/worker/arc-folder/llvm-project/clang/lib/Parse -I/buildbot/worker/arc-folder/llvm-project/clang/include -Itools/clang/include -Iinclude -I/buildbot/worker/arc-folder/llvm-project/llvm/include -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-redundant-move -Wno-pessimizing-move -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wsuggest-override -Wno-comment -Wno-misleading-indentation -fdiagnostics-color -ffunction-sections -fdata-sections -fno-common -Woverloaded-virtual -fno-strict-aliasing -O3 -DNDEBUG  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -std=c++17 -MD -MT tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseHLSLRootSignature.cpp.o -MF tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseHLSLRootSignature.cpp.o.d -o tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseHLSLRootSignature.cpp.o -c /buildbot/worker/arc-folder/llvm-project/clang/lib/Parse/ParseHLSLRootSignature.cpp
In file included from /buildbot/worker/arc-folder/llvm-project/clang/include/clang/Parse/ParseHLSLRootSignature.h:23,
                 from /buildbot/worker/arc-folder/llvm-project/clang/lib/Parse/ParseHLSLRootSignature.cpp:9:
/buildbot/worker/arc-folder/llvm-project/llvm/include/llvm/Frontend/HLSL/HLSLRootSignature.h:42:12: error: declaration of 'llvm::hlsl::rootsig::Register llvm::hlsl::rootsig::DescriptorTableClause::Register' changes meaning of 'Register' [-fpermissive]
   42 |   Register Register;
      |            ^~~~~~~~
/buildbot/worker/arc-folder/llvm-project/llvm/include/llvm/Frontend/HLSL/HLSLRootSignature.h:28:8: note: 'Register' declared here as 'struct llvm::hlsl::rootsig::Register'
   28 | struct Register {
      |        ^~~~~~~~
6.192 [129/15/64] Linking CXX executable bin/llvm-ar
6.828 [129/14/65] Building CXX object tools/clang/lib/Basic/CMakeFiles/obj.clangBasic.dir/Warnings.cpp.o
12.830 [129/13/66] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseAST.cpp.o
13.402 [129/12/67] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseInit.cpp.o
14.976 [129/11/68] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseExprCXX.cpp.o
16.155 [129/10/69] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseHLSL.cpp.o
16.586 [129/9/70] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseCXXInlineMethods.cpp.o
16.717 [129/8/71] Building CXX object tools/clang/lib/Basic/CMakeFiles/obj.clangBasic.dir/DiagnosticIDs.cpp.o
18.373 [129/7/72] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseObjc.cpp.o
18.654 [129/6/73] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseExpr.cpp.o
19.547 [129/5/74] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseDeclCXX.cpp.o
21.247 [129/4/75] Building CXX object lib/CodeGen/AsmPrinter/CMakeFiles/LLVMAsmPrinter.dir/AsmPrinter.cpp.o
21.250 [129/3/76] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseOpenMP.cpp.o
21.935 [129/2/77] Building CXX object lib/LTO/CMakeFiles/LLVMLTO.dir/LTO.cpp.o
23.319 [129/1/78] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseDecl.cpp.o
ninja: build stopped: subcommand failed.

```

</details>

https://github.com/llvm/llvm-project/pull/133800