[llvm] [CodeGen] Introduce `MachineDomTreeUpdater` (PR #95369)

LLVM Continuous Integration via llvm-commits llvm-commits at lists.llvm.org
Wed Jun 26 21:30:09 PDT 2024


llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `llvm-clang-x86_64-expensive-checks-debian` running on `gribozavr4` while building `llvm` at step 5 "build-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/16/builds/724

Here is the relevant piece of the build log for the reference:
```
Step 5 (build-unified-tree) failure: build (failure)
...
31.312 [2955/96/855] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/DwarfEHPrepare.cpp.o
31.417 [2954/96/856] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/Analysis.cpp.o
32.646 [2953/96/857] Building AMDGPUGenMCPseudoLowering.inc...
33.311 [2952/96/858] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/GCRootLowering.cpp.o
33.411 [2951/96/859] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/LiveStacks.cpp.o
33.978 [2950/96/860] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineFunctionPrinterPass.cpp.o
34.039 [2949/96/861] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/InterleavedAccessPass.cpp.o
34.211 [2948/96/862] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/EarlyIfConversion.cpp.o
34.424 [2947/96/863] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/InterleavedLoadCombinePass.cpp.o
34.944 [2946/96/864] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineDomTreeUpdater.cpp.o
FAILED: lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineDomTreeUpdater.cpp.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes /usr/bin/ccache /usr/bin/clang++ -DEXPENSIVE_CHECKS -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GLIBCXX_DEBUG -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/b/1/llvm-clang-x86_64-expensive-checks-debian/build/lib/CodeGen -I/b/1/llvm-clang-x86_64-expensive-checks-debian/llvm-project/llvm/lib/CodeGen -I/b/1/llvm-clang-x86_64-expensive-checks-debian/build/include -I/b/1/llvm-clang-x86_64-expensive-checks-debian/llvm-project/llvm/include -U_GLIBCXX_DEBUG -fPIC -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -std=c++17 -MD -MT lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineDomTreeUpdater.cpp.o -MF lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineDomTreeUpdater.cpp.o.d -o lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineDomTreeUpdater.cpp.o -c /b/1/llvm-clang-x86_64-expensive-checks-debian/llvm-project/llvm/lib/CodeGen/MachineDomTreeUpdater.cpp
In file included from /b/1/llvm-clang-x86_64-expensive-checks-debian/llvm-project/llvm/lib/CodeGen/MachineDomTreeUpdater.cpp:14:
In file included from /b/1/llvm-clang-x86_64-expensive-checks-debian/llvm-project/llvm/include/llvm/CodeGen/MachineDomTreeUpdater.h:21:
/b/1/llvm-clang-x86_64-expensive-checks-debian/llvm-project/llvm/include/llvm/CodeGen/MachinePostDominators.h:53:3: error: constructor cannot be redeclared
  MachinePostDominatorTree(MachineFunction &MF) { recalculate(MF); }
  ^
/b/1/llvm-clang-x86_64-expensive-checks-debian/llvm-project/llvm/include/llvm/CodeGen/MachinePostDominators.h:51:12: note: previous definition is here
  explicit MachinePostDominatorTree(MachineFunction &MF) { recalculate(MF); }
           ^
1 error generated.
34.966 [2946/95/865] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/LocalStackSlotAllocation.cpp.o
35.073 [2946/94/866] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/InlineSpiller.cpp.o
35.368 [2946/93/867] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MBFIWrapper.cpp.o
35.542 [2946/92/868] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineSizeOpts.cpp.o
35.615 [2946/91/869] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineFrameInfo.cpp.o
35.876 [2946/90/870] Building AMDGPUGenRegBankGICombiner.inc...
36.055 [2946/89/871] Building AMDGPUGenPostLegalizeGICombiner.inc...
36.588 [2946/88/872] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachinePostDominators.cpp.o
FAILED: lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachinePostDominators.cpp.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes /usr/bin/ccache /usr/bin/clang++ -DEXPENSIVE_CHECKS -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GLIBCXX_DEBUG -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/b/1/llvm-clang-x86_64-expensive-checks-debian/build/lib/CodeGen -I/b/1/llvm-clang-x86_64-expensive-checks-debian/llvm-project/llvm/lib/CodeGen -I/b/1/llvm-clang-x86_64-expensive-checks-debian/build/include -I/b/1/llvm-clang-x86_64-expensive-checks-debian/llvm-project/llvm/include -U_GLIBCXX_DEBUG -fPIC -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -std=c++17 -MD -MT lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachinePostDominators.cpp.o -MF lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachinePostDominators.cpp.o.d -o lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachinePostDominators.cpp.o -c /b/1/llvm-clang-x86_64-expensive-checks-debian/llvm-project/llvm/lib/CodeGen/MachinePostDominators.cpp
In file included from /b/1/llvm-clang-x86_64-expensive-checks-debian/llvm-project/llvm/lib/CodeGen/MachinePostDominators.cpp:14:
/b/1/llvm-clang-x86_64-expensive-checks-debian/llvm-project/llvm/include/llvm/CodeGen/MachinePostDominators.h:53:3: error: constructor cannot be redeclared
  MachinePostDominatorTree(MachineFunction &MF) { recalculate(MF); }
  ^
/b/1/llvm-clang-x86_64-expensive-checks-debian/llvm-project/llvm/include/llvm/CodeGen/MachinePostDominators.h:51:12: note: previous definition is here
  explicit MachinePostDominatorTree(MachineFunction &MF) { recalculate(MF); }
           ^
1 error generated.
36.616 [2946/87/873] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/IfConversion.cpp.o
36.749 [2946/86/874] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineStripDebug.cpp.o
36.916 [2946/85/875] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineInstrBundle.cpp.o
37.041 [2946/84/876] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MIRYamlMapping.cpp.o
37.075 [2946/83/877] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineCFGPrinter.cpp.o
37.104 [2946/82/878] Building AMDGPUGenCallingConv.inc...
37.127 [2946/81/879] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineConvergenceVerifier.cpp.o
37.219 [2946/80/880] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineDominanceFrontier.cpp.o
37.464 [2946/79/881] Building AMDGPUGenPreLegalizeGICombiner.inc...
37.707 [2946/78/882] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineLateInstrsCleanup.cpp.o

```

https://github.com/llvm/llvm-project/pull/95369


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