[llvm] [mlir] Introduce LDBG_OS() macro as a variant of LDBG() (PR #157194)

LLVM Continuous Integration via llvm-commits llvm-commits at lists.llvm.org
Thu Sep 11 05:14:23 PDT 2025


llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `mlir-nvidia-gcc7` running on `mlir-nvidia` while building `llvm,mlir` at step 6 "build-check-mlir-build-only".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/116/builds/18197

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

```
Step 6 (build-check-mlir-build-only) failure: build (failure)
...
974.722 [1910/16/3043] Building CXX object tools/mlir/lib/Interfaces/CMakeFiles/obj.MLIRInferIntRangeInterface.dir/InferIntRangeInterface.cpp.o
974.747 [1909/16/3044] Building CXX object tools/mlir/lib/Interfaces/CMakeFiles/obj.MLIRInferTypeOpInterface.dir/InferTypeOpInterface.cpp.o
974.771 [1908/16/3045] Building CXX object tools/mlir/lib/Interfaces/CMakeFiles/obj.MLIRLoopLikeInterface.dir/LoopLikeInterface.cpp.o
/vol/worker/mlir-nvidia/mlir-nvidia-gcc7/llvm.src/mlir/lib/Interfaces/LoopLikeInterface.cpp: In static member function ‘static bool mlir::LoopLikeOpInterface::blockIsInLoop(mlir::Block*)’:
/vol/worker/mlir-nvidia/mlir-nvidia-gcc7/llvm.src/mlir/lib/Interfaces/LoopLikeInterface.cpp:40:23: warning: unused variable ‘it’ [-Wunused-variable]
     auto [it, inserted] = visited.insert(current);
                       ^
At global scope:
cc1plus: warning: unrecognized command line option ‘-Wno-deprecated-copy’
975.224 [1907/16/3046] Building CXX object tools/mlir/lib/IR/CMakeFiles/obj.MLIRIR.dir/Dialect.cpp.o
FAILED: tools/mlir/lib/IR/CMakeFiles/obj.MLIRIR.dir/Dialect.cpp.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes CCACHE_SLOPPINESS=pch_defines,time_macros /usr/bin/ccache /usr/bin/g++-7 -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GLIBCXX_USE_CXX11_ABI=1 -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/vol/worker/mlir-nvidia/mlir-nvidia-gcc7/llvm.obj/tools/mlir/lib/IR -I/vol/worker/mlir-nvidia/mlir-nvidia-gcc7/llvm.src/mlir/lib/IR -I/vol/worker/mlir-nvidia/mlir-nvidia-gcc7/llvm.obj/tools/mlir/include -I/vol/worker/mlir-nvidia/mlir-nvidia-gcc7/llvm.src/mlir/include -I/vol/worker/mlir-nvidia/mlir-nvidia-gcc7/llvm.obj/include -I/vol/worker/mlir-nvidia/mlir-nvidia-gcc7/llvm.src/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-noexcept-type -Wdelete-non-virtual-dtor -Wno-comment -Wno-misleading-indentation -fdiagnostics-color -ffunction-sections -fdata-sections -Wundef -Wno-unused-but-set-parameter -Wno-deprecated-copy -O3 -DNDEBUG  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -std=c++1z -MD -MT tools/mlir/lib/IR/CMakeFiles/obj.MLIRIR.dir/Dialect.cpp.o -MF tools/mlir/lib/IR/CMakeFiles/obj.MLIRIR.dir/Dialect.cpp.o.d -o tools/mlir/lib/IR/CMakeFiles/obj.MLIRIR.dir/Dialect.cpp.o -c /vol/worker/mlir-nvidia/mlir-nvidia-gcc7/llvm.src/mlir/lib/IR/Dialect.cpp
In file included from /vol/worker/mlir-nvidia/mlir-nvidia-gcc7/llvm.src/mlir/lib/IR/Dialect.cpp:22:0:
/vol/worker/mlir-nvidia/mlir-nvidia-gcc7/llvm.src/mlir/lib/IR/Dialect.cpp: In lambda function:
/vol/worker/mlir-nvidia/mlir-nvidia-gcc7/llvm.src/llvm/include/llvm/Support/DebugLog.h:210:9: error: static assertion failed: DEBUG_TYPE is not defined
         static_assert(false, "DEBUG_TYPE is not defined");                     \
         ^
/vol/worker/mlir-nvidia/mlir-nvidia-gcc7/llvm.src/llvm/include/llvm/Support/DebugLog.h:109:43: note: in definition of macro ‘LDBG_STREAM_LEVEL_TYPE_FILE_AND_LINE’
                                           TYPE_OR_LEVEL, LEVEL_OR_TYPE);       \
                                           ^~~~~~~~~~~~~
/vol/worker/mlir-nvidia/mlir-nvidia-gcc7/llvm.src/llvm/include/llvm/Support/DebugLog.h:124:3: note: in expansion of macro ‘LDBG_STREAM_LEVEL_TYPE_AND_FILE’
   LDBG_STREAM_LEVEL_TYPE_AND_FILE(STREAM, LEVEL_OR_TYPE, TYPE_OR_LEVEL,        \
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/vol/worker/mlir-nvidia/mlir-nvidia-gcc7/llvm.src/llvm/include/llvm/Support/DebugLog.h:139:3: note: in expansion of macro ‘LDGB_STREAM_LEVEL_AND_TYPE’
   LDGB_STREAM_LEVEL_AND_TYPE(LDBG_STREAM, (LEVEL_OR_TYPE),                     \
   ^~~~~~~~~~~~~~~~~~~~~~~~~~
/vol/worker/mlir-nvidia/mlir-nvidia-gcc7/llvm.src/llvm/include/llvm/Support/DebugLog.h:140:30: note: in expansion of macro ‘LDBG_GET_DEFAULT_TYPE_OR_LEVEL’
                              LDBG_GET_DEFAULT_TYPE_OR_LEVEL(LEVEL_OR_TYPE))
                              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/vol/worker/mlir-nvidia/mlir-nvidia-gcc7/llvm.src/llvm/include/llvm/Support/DebugLog.h:141:23: note: in expansion of macro ‘LDBG_LEVEL_OR_TYPE’
 #define LDBG_NO_ARG() LDBG_LEVEL_OR_TYPE(1)
                       ^~~~~~~~~~~~~~~~~~
/vol/worker/mlir-nvidia/mlir-nvidia-gcc7/llvm.src/llvm/include/llvm/Support/DebugLog.h:95:47: note: in expansion of macro ‘LDBG_NO_ARG’
 #define LDBG_FUNC_CHOOSER(_f1, _f2, _f3, ...) _f3
                                               ^~~
/vol/worker/mlir-nvidia/mlir-nvidia-gcc7/llvm.src/llvm/include/llvm/Support/DebugLog.h:97:3: note: in expansion of macro ‘LDBG_FUNC_CHOOSER’
   LDBG_FUNC_CHOOSER argsWithParentheses
   ^~~~~~~~~~~~~~~~~
/vol/worker/mlir-nvidia/mlir-nvidia-gcc7/llvm.src/llvm/include/llvm/Support/DebugLog.h:99:3: note: in expansion of macro ‘LDBG_FUNC_RECOMPOSER’
   LDBG_FUNC_RECOMPOSER((__VA_ARGS__, LDBG_TYPE_AND_LEVEL, LDBG_LEVEL_OR_TYPE, ))
   ^~~~~~~~~~~~~~~~~~~~
/vol/worker/mlir-nvidia/mlir-nvidia-gcc7/llvm.src/llvm/include/llvm/Support/DebugLog.h:102:3: note: in expansion of macro ‘LDBG_CHOOSE_FROM_ARG_COUNT’
   LDBG_CHOOSE_FROM_ARG_COUNT(LDBG_NO_ARG_EXPANDER __VA_ARGS__())
   ^~~~~~~~~~~~~~~~~~~~~~~~~~
/vol/worker/mlir-nvidia/mlir-nvidia-gcc7/llvm.src/llvm/include/llvm/Support/DebugLog.h:102:30: note: in expansion of macro ‘LDBG_NO_ARG_EXPANDER’
   LDBG_CHOOSE_FROM_ARG_COUNT(LDBG_NO_ARG_EXPANDER __VA_ARGS__())
                              ^~~~~~~~~~~~~~~~~~~~
/vol/worker/mlir-nvidia/mlir-nvidia-gcc7/llvm.src/llvm/include/llvm/Support/DebugLog.h:50:19: note: in expansion of macro ‘_GET_LDBG_MACRO’
 #define LDBG(...) _GET_LDBG_MACRO(__VA_ARGS__)(__VA_ARGS__)

```

</details>

https://github.com/llvm/llvm-project/pull/157194


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