[llvm] [llvm] Add support for llvm IR atomicrmw fminimum/fmaximum instructions (PR #136759)

Mon Apr 28 07:49:13 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-m68k-linux-cross` running on `suse-gary-m68k-cross` while building `llvm` at step 4 "build stage 1".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/27/builds/9269

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

```
Step 4 (build stage 1) failure: 'ninja' (failure)
...
[982/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/PatternInit.cpp.o
[983/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/ModuleBuilder.cpp.o
[984/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGHLSLRuntime.cpp.o
[985/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/SanitizerMetadata.cpp.o
[986/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGStmt.cpp.o
[987/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CodeGenTBAA.cpp.o
[988/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/SwiftCallingConv.cpp.o
[989/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CodeGenTypes.cpp.o
[990/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/TargetBuiltins/DirectX.cpp.o
[991/1361] Building CXX object lib/Passes/CMakeFiles/LLVMPasses.dir/PassBuilder.cpp.o
FAILED: lib/Passes/CMakeFiles/LLVMPasses.dir/PassBuilder.cpp.o 
/usr/bin/c++ -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/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/lib/Passes -I/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/lib/Passes -I/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/include -I/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/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-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 -O3 -DNDEBUG -std=c++17  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT lib/Passes/CMakeFiles/LLVMPasses.dir/PassBuilder.cpp.o -MF lib/Passes/CMakeFiles/LLVMPasses.dir/PassBuilder.cpp.o.d -o lib/Passes/CMakeFiles/LLVMPasses.dir/PassBuilder.cpp.o -c /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/lib/Passes/PassBuilder.cpp
c++: fatal error: Killed signal terminated program cc1plus
compilation terminated.
[992/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/AMDGPU.cpp.o
[993/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/TargetBuiltins/AMDGPU.cpp.o
[994/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/TargetBuiltins/NVPTX.cpp.o
[995/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/TargetBuiltins/PPC.cpp.o
[996/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/TargetBuiltins/SPIR.cpp.o
[997/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/TargetBuiltins/SystemZ.cpp.o
[998/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/TargetBuiltins/WebAssembly.cpp.o
[999/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/AArch64.cpp.o
[1000/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/ARC.cpp.o
[1001/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/BPF.cpp.o
[1002/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CodeGenFunction.cpp.o
[1003/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CoverageMappingGen.cpp.o
[1004/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CodeGenAction.cpp.o
In file included from /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang/include/clang/Serialization/ASTWriter.h:22,
                 from /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang/lib/CodeGen/CodeGenAction.cpp:30:
/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang/include/clang/Sema/Sema.h:515:7: warning: ‘clang::Sema’ declared with greater visibility than the type of its field ‘clang::Sema::UnusedFileScopedDecls’ [-Wattributes]
  515 | class Sema final : public SemaBase {
      |       ^~~~
/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang/include/clang/Sema/Sema.h:515:7: warning: ‘clang::Sema’ declared with greater visibility than the type of its field ‘clang::Sema::TentativeDefinitions’ [-Wattributes]
/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang/include/clang/Sema/Sema.h:515:7: warning: ‘clang::Sema’ declared with greater visibility than the type of its field ‘clang::Sema::ExtVectorDecls’ [-Wattributes]
/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang/include/clang/Sema/Sema.h:515:7: warning: ‘clang::Sema’ declared with greater visibility than the type of its field ‘clang::Sema::DelegatingCtorDecls’ [-Wattributes]
[1005/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/MicrosoftCXXABI.cpp.o
[1006/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/TargetBuiltins/Hexagon.cpp.o
[1007/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/CSKY.cpp.o
[1008/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/ItaniumCXXABI.cpp.o
[1009/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/DirectX.cpp.o
[1010/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/Hexagon.cpp.o
[1011/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/ObjectFilePCHContainerWriter.cpp.o
[1012/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/TargetBuiltins/X86.cpp.o
[1013/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/TargetInfo.cpp.o
[1014/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/AVR.cpp.o
[1015/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/TargetBuiltins/ARM.cpp.o
[1016/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/ARM.cpp.o
[1017/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CodeGenPGO.cpp.o
[1018/1361] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGStmtOpenMP.cpp.o

```

</details>

https://github.com/llvm/llvm-project/pull/136759