[llvm] ConstRange: factor and introduce splitPosNeg (NFC) (PR #126528)

Sat Feb 15 09:38:54 PST 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/6177

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

```
Step 4 (build stage 1) failure: 'ninja' (failure)
...
[781/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CodeGenFunction.cpp.o
[782/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGObjCGNU.cpp.o
[783/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CodeGenTypes.cpp.o
[784/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGObjCMac.cpp.o
[785/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/SanitizerMetadata.cpp.o
[786/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/PatternInit.cpp.o
[787/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/ModuleBuilder.cpp.o
[788/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/SwiftCallingConv.cpp.o
[789/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/ItaniumCXXABI.cpp.o
[790/1076] 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 -fno-lifetime-dse -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.
[791/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGBuiltin.cpp.o
FAILED: tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGBuiltin.cpp.o 
/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/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/tools/clang/lib/CodeGen -I/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang/lib/CodeGen -I/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang/include -I/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/tools/clang/include -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 -fno-lifetime-dse -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/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGBuiltin.cpp.o -MF tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGBuiltin.cpp.o.d -o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGBuiltin.cpp.o -c /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang/lib/CodeGen/CGBuiltin.cpp
c++: fatal error: Killed signal terminated program cc1plus
compilation terminated.
[792/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/ARM.cpp.o
[793/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/DirectX.cpp.o
[794/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/ARC.cpp.o
[795/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/AVR.cpp.o
[796/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/LoongArch.cpp.o
[797/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/MSP430.cpp.o
[798/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CoverageMappingGen.cpp.o
[799/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/AArch64.cpp.o
[800/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/AMDGPU.cpp.o
[801/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/BPF.cpp.o
[802/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/CSKY.cpp.o
[803/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/NVPTX.cpp.o
[804/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGStmtOpenMP.cpp.o
[805/1076] Building CXX object lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/SLPVectorizer.cpp.o
[806/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CodeGenPGO.cpp.o
[807/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/TargetInfo.cpp.o
[808/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/MicrosoftCXXABI.cpp.o
[809/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/Sparc.cpp.o
[810/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/Lanai.cpp.o
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[812/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/SystemZ.cpp.o
[813/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/Hexagon.cpp.o
[814/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/PNaCl.cpp.o
[815/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/M68k.cpp.o
[816/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/Mips.cpp.o
[817/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/RISCV.cpp.o
[818/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/PPC.cpp.o
[819/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/ObjectFilePCHContainerWriter.cpp.o
[820/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGOpenMPRuntime.cpp.o
[821/1076] Building CXX object tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGDebugInfo.cpp.o

```

</details>

https://github.com/llvm/llvm-project/pull/126528