[clang] [llvm] [mlir] IR: Promote "denormal-fp-math" to a first class attribute (PR #174293)

LLVM Continuous Integration via cfe-commits Thu, 05 Feb 2026 05:54:25 -0800

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder 
`amdgpu-offload-rhel-8-cmake-build-only` running on `rocm-docker-rhel-8` while 
building `clang,llvm,mlir` at step 4 "annotate".


Full details are available at: 
https://lab.llvm.org/buildbot/#/builders/204/builds/35237

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

```
Step 4 (annotate) failure: 
'../llvm-zorg/zorg/buildbot/builders/annotated/amdgpu-offload-cmake.py 
--jobs=32' (failure)
...
[686/8464] Building CXX object 
third-party/benchmark/src/CMakeFiles/benchmark.dir/timers.cc.o
[687/8464] Building CXX object 
third-party/benchmark/src/CMakeFiles/benchmark.dir/sysinfo.cc.o
[688/8464] Linking CXX shared module 
unittests/Support/DynamicLibrary/SecondLib.so
[689/8464] Linking CXX shared module 
unittests/Support/DynamicLibrary/PipSqueak.so
[690/8464] Linking CXX shared library lib/libbenchmark.so.0.0.0
[691/8464] Creating library symlink lib/libbenchmark.so.0 lib/libbenchmark.so
[692/8464] Linking CXX shared library lib/libbenchmark_main.so.0.0.0
[693/8464] Creating library symlink lib/libbenchmark_main.so.0 
lib/libbenchmark_main.so
[694/8464] Building CXX object 
tools/flang/unittests/Evaluate/CMakeFiles/leading-zero-bit-count.test.dir/leading-zero-bit-count.cpp.o
[695/8464] Building CXX object 
lib/Support/CMakeFiles/LLVMSupport.dir/FloatingPointMode.cpp.o
FAILED: lib/Support/CMakeFiles/LLVMSupport.dir/FloatingPointMode.cpp.o 
ccache /usr/bin/c++ -DLLVM_EXPORTS -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/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/build/lib/Support 
-I/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Support
 -I/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/build/include 
-I/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include
 
-I/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/../third-party/siphash/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-array-bounds -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wno-comment 
-Wno-misleading-indentation -fdiagnostics-color -ffunction-sections 
-fdata-sections -O3 -DNDEBUG -std=c++17 -fPIC -UNDEBUG -fno-exceptions 
-funwind-tables -fno-rtti -MD -MT 
lib/Support/CMakeFiles/LLVMSupport.dir/FloatingPointMode.cpp.o -MF 
lib/Support/CMakeFiles/LLVMSupport.dir/FloatingPointMode.cpp.o.d -o 
lib/Support/CMakeFiles/LLVMSupport.dir/FloatingPointMode.cpp.o -c 
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Support/FloatingPointMode.cpp
In file included from /usr/include/c++/8/cassert:44,
                 from 
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include/llvm/Support/raw_ostream.h:20,
                 from 
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include/llvm/ADT/FloatingPointMode.h:21,
                 from 
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Support/FloatingPointMode.cpp:9:
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include/llvm/ADT/FloatingPointMode.h:
 In member function ‘constexpr uint32_t llvm::DenormalFPEnv::toIntValue() 
const’:
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include/llvm/ADT/FloatingPointMode.h:304:31:
 error: call to non-‘constexpr’ function ‘bool llvm::DenormalMode::isValid() 
const’
     assert(DefaultMode.isValid() && F32Mode.isValid());
            ~~~~~~~~~~~~~~~~~~~^~
In file included from 
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Support/FloatingPointMode.cpp:9:
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include/llvm/ADT/FloatingPointMode.h:
 In member function ‘constexpr bool 
llvm::DenormalFPEnv::operator==(llvm::DenormalFPEnv) const’:
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include/llvm/ADT/FloatingPointMode.h:318:24:
 error: call to non-‘constexpr’ function ‘bool 
llvm::DenormalMode::operator==(llvm::DenormalMode) const’
     return DefaultMode == Other.DefaultMode && F32Mode == Other.F32Mode;
            ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~
[696/8464] Building CXX object 
lib/Support/CMakeFiles/LLVMSupport.dir/KnownFPClass.cpp.o
FAILED: lib/Support/CMakeFiles/LLVMSupport.dir/KnownFPClass.cpp.o 
ccache /usr/bin/c++ -DLLVM_EXPORTS -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/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/build/lib/Support 
-I/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Support
 -I/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/build/include 
-I/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include
 
-I/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/../third-party/siphash/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-array-bounds -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wno-comment 
-Wno-misleading-indentation -fdiagnostics-color -ffunction-sections 
-fdata-sections -O3 -DNDEBUG -std=c++17 -fPIC -UNDEBUG -fno-exceptions 
-funwind-tables -fno-rtti -MD -MT 
lib/Support/CMakeFiles/LLVMSupport.dir/KnownFPClass.cpp.o -MF 
lib/Support/CMakeFiles/LLVMSupport.dir/KnownFPClass.cpp.o.d -o 
lib/Support/CMakeFiles/LLVMSupport.dir/KnownFPClass.cpp.o -c 
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Support/KnownFPClass.cpp
In file included from /usr/include/c++/8/cassert:44,
                 from 
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include/llvm/Support/raw_ostream.h:20,
                 from 
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include/llvm/ADT/FloatingPointMode.h:21,
                 from 
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include/llvm/Support/KnownFPClass.h:17,
                 from 
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Support/KnownFPClass.cpp:14:
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include/llvm/ADT/FloatingPointMode.h:
 In member function ‘constexpr uint32_t llvm::DenormalFPEnv::toIntValue() 
const’:
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include/llvm/ADT/FloatingPointMode.h:304:31:
 error: call to non-‘constexpr’ function ‘bool llvm::DenormalMode::isValid() 
const’
     assert(DefaultMode.isValid() && F32Mode.isValid());
            ~~~~~~~~~~~~~~~~~~~^~
In file included from 
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include/llvm/Support/KnownFPClass.h:17,
                 from 
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Support/KnownFPClass.cpp:14:
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include/llvm/ADT/FloatingPointMode.h:
 In member function ‘constexpr bool 
llvm::DenormalFPEnv::operator==(llvm::DenormalFPEnv) const’:
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include/llvm/ADT/FloatingPointMode.h:318:24:
 error: call to non-‘constexpr’ function ‘bool 
llvm::DenormalMode::operator==(llvm::DenormalMode) const’
     return DefaultMode == Other.DefaultMode && F32Mode == Other.F32Mode;
            ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~
[697/8464] Building CXX object 
tools/flang/unittests/Evaluate/CMakeFiles/bit-population-count.test.dir/bit-population-count.cpp.o
[698/8464] Building CXX object 
lib/Support/CMakeFiles/LLVMSupport.dir/APFixedPoint.cpp.o
FAILED: lib/Support/CMakeFiles/LLVMSupport.dir/APFixedPoint.cpp.o 
ccache /usr/bin/c++ -DLLVM_EXPORTS -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/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/build/lib/Support 
-I/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Support
 -I/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/build/include 
-I/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include
 
-I/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/../third-party/siphash/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-array-bounds -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wno-comment 
-Wno-misleading-indentation -fdiagnostics-color -ffunction-sections 
-fdata-sections -O3 -DNDEBUG -std=c++17 -fPIC -UNDEBUG -fno-exceptions 
-funwind-tables -fno-rtti -MD -MT 
lib/Support/CMakeFiles/LLVMSupport.dir/APFixedPoint.cpp.o -MF 
lib/Support/CMakeFiles/LLVMSupport.dir/APFixedPoint.cpp.o.d -o 
lib/Support/CMakeFiles/LLVMSupport.dir/APFixedPoint.cpp.o -c 
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Support/APFixedPoint.cpp
In file included from /usr/include/c++/8/cassert:44,
                 from 
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include/llvm/ADT/StringSwitch.h:18,
Step 7 (build cmake config) failure: build cmake config (failure)
...
[686/8464] Building CXX object 
third-party/benchmark/src/CMakeFiles/benchmark.dir/timers.cc.o
[687/8464] Building CXX object 
third-party/benchmark/src/CMakeFiles/benchmark.dir/sysinfo.cc.o
[688/8464] Linking CXX shared module 
unittests/Support/DynamicLibrary/SecondLib.so
[689/8464] Linking CXX shared module 
unittests/Support/DynamicLibrary/PipSqueak.so
[690/8464] Linking CXX shared library lib/libbenchmark.so.0.0.0
[691/8464] Creating library symlink lib/libbenchmark.so.0 lib/libbenchmark.so
[692/8464] Linking CXX shared library lib/libbenchmark_main.so.0.0.0
[693/8464] Creating library symlink lib/libbenchmark_main.so.0 
lib/libbenchmark_main.so
[694/8464] Building CXX object 
tools/flang/unittests/Evaluate/CMakeFiles/leading-zero-bit-count.test.dir/leading-zero-bit-count.cpp.o
[695/8464] Building CXX object 
lib/Support/CMakeFiles/LLVMSupport.dir/FloatingPointMode.cpp.o
FAILED: lib/Support/CMakeFiles/LLVMSupport.dir/FloatingPointMode.cpp.o 
ccache /usr/bin/c++ -DLLVM_EXPORTS -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/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/build/lib/Support 
-I/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Support
 -I/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/build/include 
-I/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include
 
-I/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/../third-party/siphash/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-array-bounds -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wno-comment 
-Wno-misleading-indentation -fdiagnostics-color -ffunction-sections 
-fdata-sections -O3 -DNDEBUG -std=c++17 -fPIC -UNDEBUG -fno-exceptions 
-funwind-tables -fno-rtti -MD -MT 
lib/Support/CMakeFiles/LLVMSupport.dir/FloatingPointMode.cpp.o -MF 
lib/Support/CMakeFiles/LLVMSupport.dir/FloatingPointMode.cpp.o.d -o 
lib/Support/CMakeFiles/LLVMSupport.dir/FloatingPointMode.cpp.o -c 
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Support/FloatingPointMode.cpp
In file included from /usr/include/c++/8/cassert:44,
                 from 
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include/llvm/Support/raw_ostream.h:20,
                 from 
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include/llvm/ADT/FloatingPointMode.h:21,
                 from 
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Support/FloatingPointMode.cpp:9:
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include/llvm/ADT/FloatingPointMode.h:
 In member function ‘constexpr uint32_t llvm::DenormalFPEnv::toIntValue() 
const’:
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include/llvm/ADT/FloatingPointMode.h:304:31:
 error: call to non-‘constexpr’ function ‘bool llvm::DenormalMode::isValid() 
const’
     assert(DefaultMode.isValid() && F32Mode.isValid());
            ~~~~~~~~~~~~~~~~~~~^~
In file included from 
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Support/FloatingPointMode.cpp:9:
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include/llvm/ADT/FloatingPointMode.h:
 In member function ‘constexpr bool 
llvm::DenormalFPEnv::operator==(llvm::DenormalFPEnv) const’:
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include/llvm/ADT/FloatingPointMode.h:318:24:
 error: call to non-‘constexpr’ function ‘bool 
llvm::DenormalMode::operator==(llvm::DenormalMode) const’
     return DefaultMode == Other.DefaultMode && F32Mode == Other.F32Mode;
            ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~
[696/8464] Building CXX object 
lib/Support/CMakeFiles/LLVMSupport.dir/KnownFPClass.cpp.o
FAILED: lib/Support/CMakeFiles/LLVMSupport.dir/KnownFPClass.cpp.o 
ccache /usr/bin/c++ -DLLVM_EXPORTS -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/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/build/lib/Support 
-I/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Support
 -I/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/build/include 
-I/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include
 
-I/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/../third-party/siphash/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-array-bounds -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wno-comment 
-Wno-misleading-indentation -fdiagnostics-color -ffunction-sections 
-fdata-sections -O3 -DNDEBUG -std=c++17 -fPIC -UNDEBUG -fno-exceptions 
-funwind-tables -fno-rtti -MD -MT 
lib/Support/CMakeFiles/LLVMSupport.dir/KnownFPClass.cpp.o -MF 
lib/Support/CMakeFiles/LLVMSupport.dir/KnownFPClass.cpp.o.d -o 
lib/Support/CMakeFiles/LLVMSupport.dir/KnownFPClass.cpp.o -c 
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Support/KnownFPClass.cpp
In file included from /usr/include/c++/8/cassert:44,
                 from 
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include/llvm/Support/raw_ostream.h:20,
                 from 
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include/llvm/ADT/FloatingPointMode.h:21,
                 from 
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include/llvm/Support/KnownFPClass.h:17,
                 from 
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Support/KnownFPClass.cpp:14:
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include/llvm/ADT/FloatingPointMode.h:
 In member function ‘constexpr uint32_t llvm::DenormalFPEnv::toIntValue() 
const’:
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include/llvm/ADT/FloatingPointMode.h:304:31:
 error: call to non-‘constexpr’ function ‘bool llvm::DenormalMode::isValid() 
const’
     assert(DefaultMode.isValid() && F32Mode.isValid());
            ~~~~~~~~~~~~~~~~~~~^~
In file included from 
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include/llvm/Support/KnownFPClass.h:17,
                 from 
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Support/KnownFPClass.cpp:14:
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include/llvm/ADT/FloatingPointMode.h:
 In member function ‘constexpr bool 
llvm::DenormalFPEnv::operator==(llvm::DenormalFPEnv) const’:
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include/llvm/ADT/FloatingPointMode.h:318:24:
 error: call to non-‘constexpr’ function ‘bool 
llvm::DenormalMode::operator==(llvm::DenormalMode) const’
     return DefaultMode == Other.DefaultMode && F32Mode == Other.F32Mode;
            ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~
[697/8464] Building CXX object 
tools/flang/unittests/Evaluate/CMakeFiles/bit-population-count.test.dir/bit-population-count.cpp.o
[698/8464] Building CXX object 
lib/Support/CMakeFiles/LLVMSupport.dir/APFixedPoint.cpp.o
FAILED: lib/Support/CMakeFiles/LLVMSupport.dir/APFixedPoint.cpp.o 
ccache /usr/bin/c++ -DLLVM_EXPORTS -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/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/build/lib/Support 
-I/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Support
 -I/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/build/include 
-I/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include
 
-I/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/../third-party/siphash/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-array-bounds -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wno-comment 
-Wno-misleading-indentation -fdiagnostics-color -ffunction-sections 
-fdata-sections -O3 -DNDEBUG -std=c++17 -fPIC -UNDEBUG -fno-exceptions 
-funwind-tables -fno-rtti -MD -MT 
lib/Support/CMakeFiles/LLVMSupport.dir/APFixedPoint.cpp.o -MF 
lib/Support/CMakeFiles/LLVMSupport.dir/APFixedPoint.cpp.o.d -o 
lib/Support/CMakeFiles/LLVMSupport.dir/APFixedPoint.cpp.o -c 
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Support/APFixedPoint.cpp
In file included from /usr/include/c++/8/cassert:44,
                 from 
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/include/llvm/ADT/StringSwitch.h:18,

```

</details>

https://github.com/llvm/llvm-project/pull/174293
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[clang] [llvm] [mlir] IR: Promote "denormal-fp-math" to a first class attribute (PR #174293)

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