[clang] [llvm] [HLSL][RootSignature] Define and integrate rootsig clang attr and decl (PR #137690)

Mon May 12 10:37:29 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-x86_64-linux-android` running on `sanitizer-buildbot-android` while building `clang,llvm` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/186/builds/8957

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

```
Step 2 (annotate) failure: 'python ../sanitizer_buildbot/sanitizers/zorg/buildbot/builders/sanitizers/buildbot_selector.py' (failure)
...
[4215/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaCodeComplete.cpp.o
[4216/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaDeclObjC.cpp.o
[4217/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaChecking.cpp.o
[4218/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaExprMember.cpp.o
[4219/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaFixItUtils.cpp.o
[4220/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaDeclAttr.cpp.o
[4221/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaHexagon.cpp.o
[4222/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaFunctionEffects.cpp.o
[4223/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaExprObjC.cpp.o
[4224/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaHLSL.cpp.o
FAILED: tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaHLSL.cpp.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes CCACHE_SLOPPINESS=pch_defines,time_macros /usr/bin/ccache /var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm_build0/bin/clang++ -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/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm_build64/tools/clang/lib/Sema -I/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm-project/clang/lib/Sema -I/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm-project/clang/include -I/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm_build64/tools/clang/include -I/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm_build64/include -I/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm-project/llvm/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -fno-common -Woverloaded-virtual -Wno-nested-anon-types -O3 -DNDEBUG -std=c++17  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaHLSL.cpp.o -MF tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaHLSL.cpp.o.d -o tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaHLSL.cpp.o -c /var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm-project/clang/lib/Sema/SemaHLSL.cpp
/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm-project/clang/lib/Sema/SemaHLSL.cpp:973:15: error: variable 'SignatureDecl' set but not used [-Werror,-Wunused-but-set-variable]
  973 |     if (auto *SignatureDecl =
      |               ^
1 error generated.
[4225/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaConcept.cpp.o
[4226/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaDeclCXX.cpp.o
[4227/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaLoongArch.cpp.o
[4228/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaM68k.cpp.o
[4229/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaMSP430.cpp.o
[4230/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaDecl.cpp.o
[4231/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaInit.cpp.o
[4232/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaLambda.cpp.o
[4233/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaMIPS.cpp.o
[4234/5512] Building CXX object tools/clang/lib/ASTMatchers/Dynamic/CMakeFiles/obj.clangDynamicASTMatchers.dir/Registry.cpp.o
[4235/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaLookup.cpp.o
[4236/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaExprCXX.cpp.o
[4237/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaExpr.cpp.o
ninja: build stopped: subcommand failed.

How to reproduce locally: https://github.com/google/sanitizers/wiki/SanitizerBotReproduceBuild

@@@STEP_FAILURE@@@

@@@STEP_FAILURE@@@

@@@STEP_FAILURE@@@
Step 8 (bootstrap clang) failure: bootstrap clang (failure)
...
[4215/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaCodeComplete.cpp.o
[4216/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaDeclObjC.cpp.o
[4217/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaChecking.cpp.o
[4218/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaExprMember.cpp.o
[4219/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaFixItUtils.cpp.o
[4220/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaDeclAttr.cpp.o
[4221/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaHexagon.cpp.o
[4222/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaFunctionEffects.cpp.o
[4223/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaExprObjC.cpp.o
[4224/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaHLSL.cpp.o
FAILED: tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaHLSL.cpp.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes CCACHE_SLOPPINESS=pch_defines,time_macros /usr/bin/ccache /var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm_build0/bin/clang++ -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/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm_build64/tools/clang/lib/Sema -I/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm-project/clang/lib/Sema -I/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm-project/clang/include -I/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm_build64/tools/clang/include -I/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm_build64/include -I/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm-project/llvm/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -fno-common -Woverloaded-virtual -Wno-nested-anon-types -O3 -DNDEBUG -std=c++17  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaHLSL.cpp.o -MF tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaHLSL.cpp.o.d -o tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaHLSL.cpp.o -c /var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm-project/clang/lib/Sema/SemaHLSL.cpp
/var/lib/buildbot/sanitizer-buildbot6/sanitizer-x86_64-linux-android/build/llvm-project/clang/lib/Sema/SemaHLSL.cpp:973:15: error: variable 'SignatureDecl' set but not used [-Werror,-Wunused-but-set-variable]
  973 |     if (auto *SignatureDecl =
      |               ^
1 error generated.
[4225/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaConcept.cpp.o
[4226/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaDeclCXX.cpp.o
[4227/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaLoongArch.cpp.o
[4228/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaM68k.cpp.o
[4229/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaMSP430.cpp.o
[4230/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaDecl.cpp.o
[4231/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaInit.cpp.o
[4232/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaLambda.cpp.o
[4233/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaMIPS.cpp.o
[4234/5512] Building CXX object tools/clang/lib/ASTMatchers/Dynamic/CMakeFiles/obj.clangDynamicASTMatchers.dir/Registry.cpp.o
[4235/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaLookup.cpp.o
[4236/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaExprCXX.cpp.o
[4237/5512] Building CXX object tools/clang/lib/Sema/CMakeFiles/obj.clangSema.dir/SemaExpr.cpp.o
ninja: build stopped: subcommand failed.

How to reproduce locally: https://github.com/google/sanitizers/wiki/SanitizerBotReproduceBuild

program finished with exit code 2
elapsedTime=534.740751

```

</details>

https://github.com/llvm/llvm-project/pull/137690