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

LLVM Continuous Integration via llvm-commits llvm-commits at lists.llvm.org
Wed Jun 26 21:34:30 PDT 2024 

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `bolt-x86_64-ubuntu-shared` running on `bolt-worker` while building `llvm` at step 5 "build-bolt".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/151/builds/466

Here is the relevant piece of the build log for the reference:
```
Step 5 (build-bolt) failure: build (failure)
...
28.858 [1440/18/568] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/LoopTraversal.cpp.o
28.896 [1439/18/569] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/LiveRangeEdit.cpp.o
29.208 [1438/18/570] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineBranchProbabilityInfo.cpp.o
29.396 [1437/18/571] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/LiveIntervals.cpp.o
30.221 [1436/18/572] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/LocalStackSlotAllocation.cpp.o
31.519 [1435/18/573] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/LiveVariables.cpp.o
31.661 [1434/18/574] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineCFGPrinter.cpp.o
32.440 [1433/18/575] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineCombiner.cpp.o
32.750 [1432/18/576] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/LiveDebugVariables.cpp.o
32.935 [1431/18/577] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineDomTreeUpdater.cpp.o
FAILED: lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineDomTreeUpdater.cpp.o 
ccache /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/home/worker/bolt-worker2/bolt-x86_64-ubuntu-shared/build/lib/CodeGen -I/home/worker/bolt-worker2/bolt-x86_64-ubuntu-shared/llvm-project/llvm/lib/CodeGen -I/home/worker/bolt-worker2/bolt-x86_64-ubuntu-shared/build/include -I/home/worker/bolt-worker2/bolt-x86_64-ubuntu-shared/llvm-project/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-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 -fPIC  -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 /home/worker/bolt-worker2/bolt-x86_64-ubuntu-shared/llvm-project/llvm/lib/CodeGen/MachineDomTreeUpdater.cpp
In file included from /home/worker/bolt-worker2/bolt-x86_64-ubuntu-shared/llvm-project/llvm/include/llvm/CodeGen/MachineDomTreeUpdater.h:21,
                 from /home/worker/bolt-worker2/bolt-x86_64-ubuntu-shared/llvm-project/llvm/lib/CodeGen/MachineDomTreeUpdater.cpp:14:
/home/worker/bolt-worker2/bolt-x86_64-ubuntu-shared/llvm-project/llvm/include/llvm/CodeGen/MachinePostDominators.h:53:3: error: ‘llvm::MachinePostDominatorTree::MachinePostDominatorTree(llvm::MachineFunction&)’ cannot be overloaded with ‘llvm::MachinePostDominatorTree::MachinePostDominatorTree(llvm::MachineFunction&)’
   53 |   MachinePostDominatorTree(MachineFunction &MF) { recalculate(MF); }
      |   ^~~~~~~~~~~~~~~~~~~~~~~~
/home/worker/bolt-worker2/bolt-x86_64-ubuntu-shared/llvm-project/llvm/include/llvm/CodeGen/MachinePostDominators.h:51:12: note: previous declaration ‘llvm::MachinePostDominatorTree::MachinePostDominatorTree(llvm::MachineFunction&)’
   51 |   explicit MachinePostDominatorTree(MachineFunction &MF) { recalculate(MF); }
      |            ^~~~~~~~~~~~~~~~~~~~~~~~
33.175 [1431/17/578] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineBlockFrequencyInfo.cpp.o
33.231 [1431/16/579] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineCheckDebugify.cpp.o
33.511 [1431/15/580] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineBlockPlacement.cpp.o
FAILED: lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineBlockPlacement.cpp.o 
ccache /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/home/worker/bolt-worker2/bolt-x86_64-ubuntu-shared/build/lib/CodeGen -I/home/worker/bolt-worker2/bolt-x86_64-ubuntu-shared/llvm-project/llvm/lib/CodeGen -I/home/worker/bolt-worker2/bolt-x86_64-ubuntu-shared/build/include -I/home/worker/bolt-worker2/bolt-x86_64-ubuntu-shared/llvm-project/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-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 -fPIC  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -std=c++17 -MD -MT lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineBlockPlacement.cpp.o -MF lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineBlockPlacement.cpp.o.d -o lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineBlockPlacement.cpp.o -c /home/worker/bolt-worker2/bolt-x86_64-ubuntu-shared/llvm-project/llvm/lib/CodeGen/MachineBlockPlacement.cpp
In file included from /home/worker/bolt-worker2/bolt-x86_64-ubuntu-shared/llvm-project/llvm/lib/CodeGen/MachineBlockPlacement.cpp:44:
/home/worker/bolt-worker2/bolt-x86_64-ubuntu-shared/llvm-project/llvm/include/llvm/CodeGen/MachinePostDominators.h:53:3: error: ‘llvm::MachinePostDominatorTree::MachinePostDominatorTree(llvm::MachineFunction&)’ cannot be overloaded with ‘llvm::MachinePostDominatorTree::MachinePostDominatorTree(llvm::MachineFunction&)’
   53 |   MachinePostDominatorTree(MachineFunction &MF) { recalculate(MF); }
      |   ^~~~~~~~~~~~~~~~~~~~~~~~
/home/worker/bolt-worker2/bolt-x86_64-ubuntu-shared/llvm-project/llvm/include/llvm/CodeGen/MachinePostDominators.h:51:12: note: previous declaration ‘llvm::MachinePostDominatorTree::MachinePostDominatorTree(llvm::MachineFunction&)’
   51 |   explicit MachinePostDominatorTree(MachineFunction &MF) { recalculate(MF); }
      |            ^~~~~~~~~~~~~~~~~~~~~~~~
33.597 [1431/14/581] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/CodeGenPrepare.cpp.o
33.751 [1431/13/582] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineConvergenceVerifier.cpp.o
34.125 [1431/12/583] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineCopyPropagation.cpp.o
34.374 [1431/11/584] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineCycleAnalysis.cpp.o
34.543 [1431/10/585] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineFunctionPrinterPass.cpp.o
34.658 [1431/9/586] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineCSE.cpp.o
34.666 [1431/8/587] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineDominanceFrontier.cpp.o
34.828 [1431/7/588] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineDebugify.cpp.o
34.985 [1431/6/589] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineFrameInfo.cpp.o
35.397 [1431/5/590] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineBasicBlock.cpp.o
35.536 [1431/4/591] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineDominators.cpp.o
36.659 [1431/3/592] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineFunctionPass.cpp.o
37.411 [1431/2/593] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/LLVMTargetMachine.cpp.o
38.246 [1431/1/594] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineFunction.cpp.o
ninja: build stopped: subcommand failed.

```

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

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