[llvm] [AMDGPU] SelectionDAG divergence tracking should take into account Target divergency. (PR #144947)

Thu Jul 3 09:43:33 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-x86_64-linux-fuzzer` running on `sanitizer-buildbot6` while building `llvm` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/32/builds/21059

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

```
Step 2 (annotate) failure: 'python ../sanitizer_buildbot/sanitizers/zorg/buildbot/builders/sanitizers/buildbot_selector.py' (failure)
...
[64/812] Building CXX object lib/CodeGen/AsmPrinter/CMakeFiles/LLVMAsmPrinter.dir/DbgEntityHistoryCalculator.cpp.o
[65/812] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/IfConversion.cpp.o
[66/812] Building CXX object lib/CodeGen/AsmPrinter/CMakeFiles/LLVMAsmPrinter.dir/WinException.cpp.o
[67/812] Building CXX object lib/CodeGen/SelectionDAG/CMakeFiles/LLVMSelectionDAG.dir/ResourcePriorityQueue.cpp.o
[68/812] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/GISel/AArch64CallLowering.cpp.o
[69/812] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineFunction.cpp.o
[70/812] Building CXX object lib/CodeGen/SelectionDAG/CMakeFiles/LLVMSelectionDAG.dir/LegalizeFloatTypes.cpp.o
[71/812] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/TargetLoweringBase.cpp.o
[72/812] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/BasicTargetTransformInfo.cpp.o
[73/812] Building CXX object lib/CodeGen/SelectionDAG/CMakeFiles/LLVMSelectionDAG.dir/SelectionDAGISel.cpp.o
FAILED: lib/CodeGen/SelectionDAG/CMakeFiles/LLVMSelectionDAG.dir/SelectionDAGISel.cpp.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes CCACHE_SLOPPINESS=pch_defines,time_macros /usr/bin/ccache /usr/bin/clang++ -DGTEST_HAS_RTTI=0 -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/b/sanitizer-x86_64-linux-fuzzer/build/llvm_build0/lib/CodeGen/SelectionDAG -I/home/b/sanitizer-x86_64-linux-fuzzer/build/llvm-project/llvm/lib/CodeGen/SelectionDAG -I/home/b/sanitizer-x86_64-linux-fuzzer/build/llvm_build0/include -I/home/b/sanitizer-x86_64-linux-fuzzer/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 -MD -MT lib/CodeGen/SelectionDAG/CMakeFiles/LLVMSelectionDAG.dir/SelectionDAGISel.cpp.o -MF lib/CodeGen/SelectionDAG/CMakeFiles/LLVMSelectionDAG.dir/SelectionDAGISel.cpp.o.d -o lib/CodeGen/SelectionDAG/CMakeFiles/LLVMSelectionDAG.dir/SelectionDAGISel.cpp.o -c /home/b/sanitizer-x86_64-linux-fuzzer/build/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
/home/b/sanitizer-x86_64-linux-fuzzer/build/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:485:7: error: expected unqualified-id
  485 |   TTI = &FAM.getResult<TargetIRAnalysis>(Fn);
      |       ^
/home/b/sanitizer-x86_64-linux-fuzzer/build/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:488:16: error: unexpected type name 'TTI': expected expression
  488 |                TTI->hasBranchDivergence(&Fn));
      |                ^
/home/b/sanitizer-x86_64-linux-fuzzer/build/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:541:7: error: expected unqualified-id
  541 |   TTI = &MFP.getAnalysis<TargetTransformInfoWrapperPass>().getTTI(Fn);
      |       ^
/home/b/sanitizer-x86_64-linux-fuzzer/build/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:544:16: error: unexpected type name 'TTI': expected expression
  544 |                TTI->hasBranchDivergence(&Fn));
      |                ^
4 errors generated.
[74/812] Building CXX object lib/Passes/CMakeFiles/LLVMPasses.dir/CodeGenPassBuilder.cpp.o
[75/812] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/ScheduleDAGInstrs.cpp.o
[76/812] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineLICM.cpp.o
[77/812] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/SelectOptimize.cpp.o
[78/812] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/SafeStack.cpp.o
[79/812] Building CXX object lib/CodeGen/SelectionDAG/CMakeFiles/LLVMSelectionDAG.dir/ScheduleDAGRRList.cpp.o
[80/812] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/GISel/AArch64LegalizerInfo.cpp.o
[81/812] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/InterleavedLoadCombinePass.cpp.o
[82/812] Building CXX object lib/CodeGen/GlobalISel/CMakeFiles/LLVMGlobalISel.dir/Legalizer.cpp.o
[83/812] Building CXX object lib/CodeGen/SelectionDAG/CMakeFiles/LLVMSelectionDAG.dir/FastISel.cpp.o
[84/812] Building CXX object lib/CodeGen/GlobalISel/CMakeFiles/LLVMGlobalISel.dir/GISelValueTracking.cpp.o
[85/812] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/TargetInstrInfo.cpp.o
[86/812] Building CXX object lib/CodeGen/SelectionDAG/CMakeFiles/LLVMSelectionDAG.dir/FunctionLoweringInfo.cpp.o
[87/812] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/GISel/AArch64O0PreLegalizerCombiner.cpp.o
[88/812] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/CodeGenTargetMachineImpl.cpp.o
[89/812] Building CXX object lib/CodeGen/SelectionDAG/CMakeFiles/LLVMSelectionDAG.dir/LegalizeIntegerTypes.cpp.o
[90/812] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineBlockPlacement.cpp.o
[91/812] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineScheduler.cpp.o
[92/812] Building CXX object lib/CodeGen/SelectionDAG/CMakeFiles/LLVMSelectionDAG.dir/StatepointLowering.cpp.o
[93/812] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/GISel/AArch64RegisterBankInfo.cpp.o
[94/812] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/WindowScheduler.cpp.o
[95/812] Building CXX object lib/CodeGen/GlobalISel/CMakeFiles/LLVMGlobalISel.dir/Utils.cpp.o
[96/812] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/GISel/AArch64PreLegalizerCombiner.cpp.o
[97/812] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/ComplexDeinterleavingPass.cpp.o
Step 7 (stage1 build all) failure: stage1 build all (failure)
...
[64/812] Building CXX object lib/CodeGen/AsmPrinter/CMakeFiles/LLVMAsmPrinter.dir/DbgEntityHistoryCalculator.cpp.o
[65/812] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/IfConversion.cpp.o
[66/812] Building CXX object lib/CodeGen/AsmPrinter/CMakeFiles/LLVMAsmPrinter.dir/WinException.cpp.o
[67/812] Building CXX object lib/CodeGen/SelectionDAG/CMakeFiles/LLVMSelectionDAG.dir/ResourcePriorityQueue.cpp.o
[68/812] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/GISel/AArch64CallLowering.cpp.o
[69/812] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineFunction.cpp.o
[70/812] Building CXX object lib/CodeGen/SelectionDAG/CMakeFiles/LLVMSelectionDAG.dir/LegalizeFloatTypes.cpp.o
[71/812] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/TargetLoweringBase.cpp.o
[72/812] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/BasicTargetTransformInfo.cpp.o
[73/812] Building CXX object lib/CodeGen/SelectionDAG/CMakeFiles/LLVMSelectionDAG.dir/SelectionDAGISel.cpp.o
FAILED: lib/CodeGen/SelectionDAG/CMakeFiles/LLVMSelectionDAG.dir/SelectionDAGISel.cpp.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes CCACHE_SLOPPINESS=pch_defines,time_macros /usr/bin/ccache /usr/bin/clang++ -DGTEST_HAS_RTTI=0 -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/b/sanitizer-x86_64-linux-fuzzer/build/llvm_build0/lib/CodeGen/SelectionDAG -I/home/b/sanitizer-x86_64-linux-fuzzer/build/llvm-project/llvm/lib/CodeGen/SelectionDAG -I/home/b/sanitizer-x86_64-linux-fuzzer/build/llvm_build0/include -I/home/b/sanitizer-x86_64-linux-fuzzer/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 -MD -MT lib/CodeGen/SelectionDAG/CMakeFiles/LLVMSelectionDAG.dir/SelectionDAGISel.cpp.o -MF lib/CodeGen/SelectionDAG/CMakeFiles/LLVMSelectionDAG.dir/SelectionDAGISel.cpp.o.d -o lib/CodeGen/SelectionDAG/CMakeFiles/LLVMSelectionDAG.dir/SelectionDAGISel.cpp.o -c /home/b/sanitizer-x86_64-linux-fuzzer/build/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
/home/b/sanitizer-x86_64-linux-fuzzer/build/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:485:7: error: expected unqualified-id
  485 |   TTI = &FAM.getResult<TargetIRAnalysis>(Fn);
      |       ^
/home/b/sanitizer-x86_64-linux-fuzzer/build/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:488:16: error: unexpected type name 'TTI': expected expression
  488 |                TTI->hasBranchDivergence(&Fn));
      |                ^
/home/b/sanitizer-x86_64-linux-fuzzer/build/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:541:7: error: expected unqualified-id
  541 |   TTI = &MFP.getAnalysis<TargetTransformInfoWrapperPass>().getTTI(Fn);
      |       ^
/home/b/sanitizer-x86_64-linux-fuzzer/build/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:544:16: error: unexpected type name 'TTI': expected expression
  544 |                TTI->hasBranchDivergence(&Fn));
      |                ^
4 errors generated.
[74/812] Building CXX object lib/Passes/CMakeFiles/LLVMPasses.dir/CodeGenPassBuilder.cpp.o
[75/812] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/ScheduleDAGInstrs.cpp.o
[76/812] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineLICM.cpp.o
[77/812] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/SelectOptimize.cpp.o
[78/812] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/SafeStack.cpp.o
[79/812] Building CXX object lib/CodeGen/SelectionDAG/CMakeFiles/LLVMSelectionDAG.dir/ScheduleDAGRRList.cpp.o
[80/812] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/GISel/AArch64LegalizerInfo.cpp.o
[81/812] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/InterleavedLoadCombinePass.cpp.o
[82/812] Building CXX object lib/CodeGen/GlobalISel/CMakeFiles/LLVMGlobalISel.dir/Legalizer.cpp.o
[83/812] Building CXX object lib/CodeGen/SelectionDAG/CMakeFiles/LLVMSelectionDAG.dir/FastISel.cpp.o
[84/812] Building CXX object lib/CodeGen/GlobalISel/CMakeFiles/LLVMGlobalISel.dir/GISelValueTracking.cpp.o
[85/812] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/TargetInstrInfo.cpp.o
[86/812] Building CXX object lib/CodeGen/SelectionDAG/CMakeFiles/LLVMSelectionDAG.dir/FunctionLoweringInfo.cpp.o
[87/812] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/GISel/AArch64O0PreLegalizerCombiner.cpp.o
[88/812] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/CodeGenTargetMachineImpl.cpp.o
[89/812] Building CXX object lib/CodeGen/SelectionDAG/CMakeFiles/LLVMSelectionDAG.dir/LegalizeIntegerTypes.cpp.o
[90/812] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineBlockPlacement.cpp.o
[91/812] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineScheduler.cpp.o
[92/812] Building CXX object lib/CodeGen/SelectionDAG/CMakeFiles/LLVMSelectionDAG.dir/StatepointLowering.cpp.o
[93/812] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/GISel/AArch64RegisterBankInfo.cpp.o
[94/812] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/WindowScheduler.cpp.o
[95/812] Building CXX object lib/CodeGen/GlobalISel/CMakeFiles/LLVMGlobalISel.dir/Utils.cpp.o
[96/812] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/GISel/AArch64PreLegalizerCombiner.cpp.o
[97/812] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/ComplexDeinterleavingPass.cpp.o

```

</details>

https://github.com/llvm/llvm-project/pull/144947