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

LLVM Continuous Integration via llvm-commits llvm-commits at lists.llvm.org
Wed Jun 26 21:31:00 PDT 2024 

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-x86_64-linux-bootstrap-msan` running on `sanitizer-buildbot5` while building `llvm` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/164/builds/457

Here is the relevant piece of the build log for the reference:
```
Step 2 (annotate) failure: 'python ../sanitizer_buildbot/sanitizers/zorg/buildbot/builders/sanitizers/buildbot_selector.py' (failure)
...
[69/2264] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/AtomicExpandPass.cpp.o
[70/2264] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/BasicTargetTransformInfo.cpp.o
[71/2264] Building CXX object unittests/Analysis/InlineAdvisorPlugin/CMakeFiles/InlineAdvisorPlugin.dir/InlineAdvisorPlugin.cpp.o
[72/2264] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/InterleavedAccessPass.cpp.o
[73/2264] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineFunctionPrinterPass.cpp.o
[74/2264] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/AggressiveAntiDepBreaker.cpp.o
[75/2264] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/FixupStatepointCallerSaved.cpp.o
[76/2264] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/ExpandMemCmp.cpp.o
[77/2264] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/DwarfEHPrepare.cpp.o
[78/2264] 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++ -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/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build0/lib/CodeGen -I/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/lib/CodeGen -I/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build0/include -I/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include -fPIC -fno-semantic-interposition -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 -std=c++17  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -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/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/lib/CodeGen/MachineDomTreeUpdater.cpp
In file included from /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/lib/CodeGen/MachineDomTreeUpdater.cpp:14:
In file included from /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/CodeGen/MachineDomTreeUpdater.h:21:
/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/CodeGen/MachinePostDominators.h:53:3: error: constructor cannot be redeclared
  MachinePostDominatorTree(MachineFunction &MF) { recalculate(MF); }
  ^
/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/CodeGen/MachinePostDominators.h:51:12: note: previous definition is here
  explicit MachinePostDominatorTree(MachineFunction &MF) { recalculate(MF); }
           ^
1 error generated.
[79/2264] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/LiveIntervals.cpp.o
[80/2264] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineCFGPrinter.cpp.o
[81/2264] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/BranchFolding.cpp.o
[82/2264] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineFrameInfo.cpp.o
[83/2264] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/IfConversion.cpp.o
[84/2264] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/InterleavedLoadCombinePass.cpp.o
[85/2264] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineDominanceFrontier.cpp.o
[86/2264] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineOptimizationRemarkEmitter.cpp.o
[87/2264] Building CXX object examples/IRTransforms/CMakeFiles/ExampleIRTransforms.dir/SimplifyCFG.cpp.o
[88/2264] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineModuleSlotTracker.cpp.o
[89/2264] 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++ -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/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build0/lib/CodeGen -I/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/lib/CodeGen -I/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build0/include -I/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include -fPIC -fno-semantic-interposition -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 -std=c++17  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -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/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/lib/CodeGen/MachinePostDominators.cpp
In file included from /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/lib/CodeGen/MachinePostDominators.cpp:14:
/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/CodeGen/MachinePostDominators.h:53:3: error: constructor cannot be redeclared
  MachinePostDominatorTree(MachineFunction &MF) { recalculate(MF); }
  ^
/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/CodeGen/MachinePostDominators.h:51:12: note: previous definition is here
  explicit MachinePostDominatorTree(MachineFunction &MF) { recalculate(MF); }
           ^
1 error generated.
[90/2264] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineLoopUtils.cpp.o
[91/2264] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineBlockPlacement.cpp.o
FAILED: lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineBlockPlacement.cpp.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes /usr/bin/ccache /usr/bin/clang++ -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/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build0/lib/CodeGen -I/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/lib/CodeGen -I/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build0/include -I/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include -fPIC -fno-semantic-interposition -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 -std=c++17  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -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 /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/lib/CodeGen/MachineBlockPlacement.cpp
In file included from /b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/lib/CodeGen/MachineBlockPlacement.cpp:44:
/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/CodeGen/MachinePostDominators.h:53:3: error: constructor cannot be redeclared
  MachinePostDominatorTree(MachineFunction &MF) { recalculate(MF); }
Step 6 (update 6ca387cbcb207abe2a07bbb1b536f099c2e246e7) failure: update 6ca387cbcb207abe2a07bbb1b536f099c2e246e7
@@@BUILD_STEP update 6ca387cbcb207abe2a07bbb1b536f099c2e246e7@@@
+ local DEPTH=100
+ [[ -d llvm-project ]]
+ cd llvm-project
+ git fetch origin
>From https://github.com/llvm/llvm-project
   c791d86eab13..91b614fc63ac  main       -> origin/main
 * [new branch]                revert-96193-conditional_use_if -> origin/revert-96193-conditional_use_if
+ git clean -fd
+ git reset --hard
HEAD is now at f23a5f08f4b8 [libc] Remove atomic alignment diagnostics globally (#96803)
+ git checkout -f 6ca387cbcb207abe2a07bbb1b536f099c2e246e7
Previous HEAD position was f23a5f08f4b8 [libc] Remove atomic alignment diagnostics globally (#96803)
HEAD is now at 6ca387cbcb20 [CodeGen] Introduce `MachineDomTreeUpdater` (#95369)
+ git status
HEAD detached at 6ca387cbcb20
nothing to commit, working tree clean
+ git rev-list --pretty --max-count=1 HEAD
commit 6ca387cbcb207abe2a07bbb1b536f099c2e246e7
Author: paperchalice <liujunchang97 at outlook.com>
Date:   Thu Jun 27 12:25:18 2024 +0800

    [CodeGen] Introduce `MachineDomTreeUpdater` (#95369)
    
    This commit converts most of `DomTreeUpdater` into
    `GenericDomTreeUpdater` class template, so IR and MIR can reuse some
    codes.
    There are some differences between interfaces of `BasicBlock` and
    `MachineBasicBlock`, so subclasses still need to implement some
    functions, like `forceFlushDeletedBB`.
+ LLVM=/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm
+ build_stage1_clang
+ echo @@@BUILD_STEP stage1 build all@@@
+ common_stage1_variables
+ STAGE1_DIR=llvm_build0
+ stage1_clang_path=/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build0/bin
+ llvm_symbolizer_path=/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build0/bin/llvm-symbolizer
+ export LLVM_SYMBOLIZER_PATH=/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build0/bin/llvm-symbolizer
+ LLVM_SYMBOLIZER_PATH=/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build0/bin/llvm-symbolizer
+ STAGE1_AS_COMPILER='-DCMAKE_C_COMPILER=/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build0/bin/clang -DCMAKE_CXX_COMPILER=/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build0/bin/clang++'
+ build_stage1_clang_impl
+ [[ ! -f llvm_build0/delete_next_time ]]

```

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

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