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

Thu Apr 17 20:55:30 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `cross-project-tests-sie-ubuntu-dwarf5` running on `doug-worker-1b` while building `clang,llvm` at step 5 "build-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/163/builds/17377

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

```
Step 5 (build-unified-tree) failure: build (failure)
...
35.065 [140/8/69] Building CXX object lib/LTO/CMakeFiles/LLVMLTO.dir/LTO.cpp.o
35.179 [139/8/70] Building CXX object tools/clang/lib/Basic/CMakeFiles/obj.clangBasic.dir/Version.cpp.o
38.958 [138/8/71] Building CXX object tools/clang/lib/Basic/CMakeFiles/obj.clangBasic.dir/Warnings.cpp.o
48.557 [137/8/72] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseTemplate.cpp.o
51.332 [136/8/73] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseTentative.cpp.o
54.555 [135/8/74] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/Parser.cpp.o
55.421 [134/8/75] Building CXX object tools/clang/lib/Basic/CMakeFiles/obj.clangBasic.dir/DiagnosticIDs.cpp.o
55.899 [133/8/76] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseAST.cpp.o
57.570 [132/8/77] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseOpenACC.cpp.o
62.808 [131/8/78] 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 
/opt/ccache/bin/g++ -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 -I/home/buildbot/buildbot-root/cross-project-tests-sie-ubuntu-dwarf5/build/tools/clang/lib/Parse -I/home/buildbot/buildbot-root/cross-project-tests-sie-ubuntu-dwarf5/llvm-project/clang/lib/Parse -I/home/buildbot/buildbot-root/cross-project-tests-sie-ubuntu-dwarf5/llvm-project/clang/include -I/home/buildbot/buildbot-root/cross-project-tests-sie-ubuntu-dwarf5/build/tools/clang/include -I/home/buildbot/buildbot-root/cross-project-tests-sie-ubuntu-dwarf5/build/include -I/home/buildbot/buildbot-root/cross-project-tests-sie-ubuntu-dwarf5/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 -Wctad-maybe-unsupported -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 /home/buildbot/buildbot-root/cross-project-tests-sie-ubuntu-dwarf5/llvm-project/clang/lib/Parse/ParseHLSLRootSignature.cpp
In file included from /home/buildbot/buildbot-root/cross-project-tests-sie-ubuntu-dwarf5/llvm-project/clang/include/clang/Parse/ParseHLSLRootSignature.h:23,
                 from /home/buildbot/buildbot-root/cross-project-tests-sie-ubuntu-dwarf5/llvm-project/clang/lib/Parse/ParseHLSLRootSignature.cpp:9:
/home/buildbot/buildbot-root/cross-project-tests-sie-ubuntu-dwarf5/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;
      |            ^~~~~~~~
/home/buildbot/buildbot-root/cross-project-tests-sie-ubuntu-dwarf5/llvm-project/llvm/include/llvm/Frontend/HLSL/HLSLRootSignature.h:28:8: note: ‘Register’ declared here as ‘struct llvm::hlsl::rootsig::Register’
   28 | struct Register {
      |        ^~~~~~~~
68.883 [131/7/79] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseDeclCXX.cpp.o
69.632 [131/6/80] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseDecl.cpp.o
73.200 [131/5/81] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseCXXInlineMethods.cpp.o
74.622 [131/4/82] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseHLSL.cpp.o
75.878 [131/3/83] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseExpr.cpp.o
77.060 [131/2/84] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseExprCXX.cpp.o
100.924 [131/1/85] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaConcept.cpp.o
ninja: build stopped: subcommand failed.

```

</details>

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