[clang] [RISCV][NFC] Make generated intrinsic records more human-readable (PR #133710)

Sun Apr 13 21:20:48 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `lldb-remote-linux-ubuntu` running on `as-builder-9` while building `clang` at step 7 "build-default".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/195/builds/7561

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

```
Step 7 (build-default) failure: cmake (failure)
...
1.699 [4897/33/394] Building SymbolFileDWARFProperties.inc...
1.699 [4897/32/395] Building SymbolLocatorDebuginfodProperties.inc...
1.699 [4897/31/396] Building TraceExporterCTFCommandOptions.inc...
1.699 [4897/30/397] Building SymbolFileDWARFPropertiesEnum.inc...
1.700 [4897/29/398] Building SymbolLocatorDebuginfodPropertiesEnum.inc...
1.700 [4897/28/399] Building TargetPropertiesEnum.inc...
1.700 [4897/27/400] Building TargetProperties.inc...
1.735 [4897/26/401] Linking CXX static library lib/libLLVMFrontendOpenACC.a
1.736 [4897/25/402] Linking CXX static library lib/libLLVMCodeGenTypes.a
2.067 [4897/24/403] Building CXX object tools/clang/lib/Support/CMakeFiles/obj.clangSupport.dir/RISCVVIntrinsicUtils.cpp.o
FAILED: tools/clang/lib/Support/CMakeFiles/obj.clangSupport.dir/RISCVVIntrinsicUtils.cpp.o 
ccache /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 -I/home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/tools/clang/lib/Support -I/home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/llvm-project/clang/lib/Support -I/home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/llvm-project/clang/include -I/home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/tools/clang/include -I/home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/include -I/home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/llvm-project/llvm/include -D__OPTIMIZE__ -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-maybe-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 -std=c++17  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT tools/clang/lib/Support/CMakeFiles/obj.clangSupport.dir/RISCVVIntrinsicUtils.cpp.o -MF tools/clang/lib/Support/CMakeFiles/obj.clangSupport.dir/RISCVVIntrinsicUtils.cpp.o.d -o tools/clang/lib/Support/CMakeFiles/obj.clangSupport.dir/RISCVVIntrinsicUtils.cpp.o -c /home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/llvm-project/clang/lib/Support/RISCVVIntrinsicUtils.cpp
In file included from /home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/llvm-project/clang/lib/Support/RISCVVIntrinsicUtils.cpp:9:
/home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/llvm-project/clang/include/clang/Support/RISCVVIntrinsicUtils.h:541:22: error: declaration of ‘clang::RISCV::RequiredExtensions clang::RISCV::RVVIntrinsicRecord::RequiredExtensions’ changes meaning of ‘RequiredExtensions’ [-Wchanges-meaning]
  541 |   RequiredExtensions RequiredExtensions;
      |                      ^~~~~~~~~~~~~~~~~~
/home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/llvm-project/clang/include/clang/Support/RISCVVIntrinsicUtils.h:541:3: note: used here to mean ‘struct clang::RISCV::RequiredExtensions’
  541 |   RequiredExtensions RequiredExtensions;
      |   ^~~~~~~~~~~~~~~~~~
/home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/llvm-project/clang/include/clang/Support/RISCVVIntrinsicUtils.h:515:8: note: declared here
  515 | struct RequiredExtensions {
      |        ^~~~~~~~~~~~~~~~~~
2.068 [4897/23/404] Building IntrinsicEnums.inc...
2.069 [4897/22/405] Building IntrinsicsSPIRV.h...
2.071 [4897/21/406] Building IntrinsicsARM.h...
2.072 [4897/20/407] Building IntrinsicsHexagon.h...
2.075 [4897/19/408] Building IntrinsicsS390.h...
2.075 [4897/18/409] Building IntrinsicsX86.h...
2.076 [4897/17/410] Building IntrinsicsVE.h...
2.077 [4897/16/411] Building IntrinsicsXCore.h...
2.078 [4897/15/412] Building IntrinsicsWebAssembly.h...
2.085 [4897/14/413] Building IntrinsicsAArch64.h...
2.088 [4897/13/414] Building IntrinsicsAMDGPU.h...
2.092 [4897/12/415] Building IntrinsicsLoongArch.h...
2.092 [4897/11/416] Building IntrinsicsR600.h...
2.096 [4897/10/417] Building IntrinsicsPowerPC.h...
2.099 [4897/9/418] Building IntrinsicsNVPTX.h...
2.099 [4897/8/419] Building IntrinsicsMips.h...
2.100 [4897/7/420] Building IntrinsicsBPF.h...
2.101 [4897/6/421] Building IntrinsicsDirectX.h...
2.101 [4897/5/422] Building IntrinsicsRISCV.h...
2.134 [4897/4/423] Building IntrinsicImpl.inc...
2.347 [4897/3/424] Building ARMTargetParserDef.inc...
2.728 [4897/2/425] Building CXX object tools/clang/utils/TableGen/CMakeFiles/clang-tblgen.dir/RISCVVEmitter.cpp.o
FAILED: tools/clang/utils/TableGen/CMakeFiles/clang-tblgen.dir/RISCVVEmitter.cpp.o 
ccache /usr/bin/c++ -DCLANG_EXPORTS -DGTEST_HAS_RTTI=0 -DLLVM_BUILD_STATIC -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/tools/clang/utils/TableGen -I/home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/llvm-project/clang/utils/TableGen -I/home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/llvm-project/clang/include -I/home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/tools/clang/include -I/home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/include -I/home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/llvm-project/llvm/include -D__OPTIMIZE__ -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-maybe-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 -std=c++17  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT tools/clang/utils/TableGen/CMakeFiles/clang-tblgen.dir/RISCVVEmitter.cpp.o -MF tools/clang/utils/TableGen/CMakeFiles/clang-tblgen.dir/RISCVVEmitter.cpp.o.d -o tools/clang/utils/TableGen/CMakeFiles/clang-tblgen.dir/RISCVVEmitter.cpp.o -c /home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/llvm-project/clang/utils/TableGen/RISCVVEmitter.cpp
In file included from /home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/llvm-project/clang/utils/TableGen/RISCVVEmitter.cpp:17:
/home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/llvm-project/clang/include/clang/Support/RISCVVIntrinsicUtils.h:541:22: error: declaration of ‘clang::RISCV::RequiredExtensions clang::RISCV::RVVIntrinsicRecord::RequiredExtensions’ changes meaning of ‘RequiredExtensions’ [-Wchanges-meaning]
  541 |   RequiredExtensions RequiredExtensions;

```

</details>

https://github.com/llvm/llvm-project/pull/133710