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

Thu Jul 3 10:05:31 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-ppc64le-linux-test-suite` running on `ppc64le-clang-test-suite` while building `llvm` at step 6 "test-build-unified-tree-check-all".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/95/builds/15307

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

```
Step 6 (test-build-unified-tree-check-all) failure: test (failure)
...
16.745 [10/69/59] Linking CXX executable unittests/MC/AMDGPU/AMDGPUMCTests
17.667 [10/68/60] Building CXX object unittests/CodeGen/CMakeFiles/CodeGenTests.dir/SchedBoundary.cpp.o
18.078 [10/67/61] Linking CXX executable unittests/Passes/PassBuilderBindings/PassesBindingsTests
18.182 [10/66/62] Building CXX object unittests/MIR/CMakeFiles/MIRTests.dir/MachineMetadata.cpp.o
18.606 [9/66/63] Linking CXX executable tools/clang/tools/extra/unittests/clang-query/ClangQueryTests
19.146 [9/65/64] Linking CXX executable tools/clang/tools/extra/unittests/clang-include-fixer/ClangIncludeFixerTests
20.152 [9/64/65] Building CXX object unittests/CodeGen/GlobalISel/CMakeFiles/GlobalISelTests.dir/LegalizerHelperTest.cpp.o
20.281 [9/63/66] Linking CXX executable unittests/Transforms/Utils/UtilsTests
21.584 [9/62/67] Building CXX object unittests/CodeGen/CMakeFiles/CodeGenTests.dir/MLRegAllocDevelopmentFeatures.cpp.o
22.808 [9/61/68] Building CXX object unittests/Target/AArch64/CMakeFiles/AArch64Tests.dir/AArch64SelectionDAGTest.cpp.o
FAILED: unittests/Target/AArch64/CMakeFiles/AArch64Tests.dir/AArch64SelectionDAGTest.cpp.o 
ccache /usr/lib64/ccache/c++ -DGTEST_HAS_RTTI=0 -DLLVM_BUILD_STATIC -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/unittests/Target/AArch64 -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/llvm-project/llvm/unittests/Target/AArch64 -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/llvm-project/llvm/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/llvm-project/llvm/lib/Target/AArch64 -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/build/lib/Target/AArch64 -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/llvm-project/third-party/unittest/googletest/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/llvm-project/third-party/unittest/googlemock/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -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-noexcept-type -Wdelete-non-virtual-dtor -Wno-comment -Wno-misleading-indentation -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -std=c++17  -Wno-dangling-else -Wno-variadic-macros -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -Wno-suggest-override -MD -MT unittests/Target/AArch64/CMakeFiles/AArch64Tests.dir/AArch64SelectionDAGTest.cpp.o -MF unittests/Target/AArch64/CMakeFiles/AArch64Tests.dir/AArch64SelectionDAGTest.cpp.o.d -o unittests/Target/AArch64/CMakeFiles/AArch64Tests.dir/AArch64SelectionDAGTest.cpp.o -c /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/llvm-project/llvm/unittests/Target/AArch64/AArch64SelectionDAGTest.cpp
/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/llvm-project/llvm/unittests/Target/AArch64/AArch64SelectionDAGTest.cpp: In member function ‘virtual void llvm::AArch64SelectionDAGTest::SetUp()’:
/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/llvm-project/llvm/unittests/Target/AArch64/AArch64SelectionDAGTest.cpp:66:22: error: no matching function for call to ‘llvm::SelectionDAG::init(llvm::MachineFunction&, llvm::OptimizationRemarkEmitter&, std::nullptr_t, std::nullptr_t, std::nullptr_t, std::nullptr_t, std::nullptr_t, llvm::MachineModuleInfo&, std::nullptr_t)’
               nullptr);
                      ^
In file included from /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/llvm-project/llvm/unittests/Target/AArch64/AArch64SelectionDAGTest.cpp:13:
/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/llvm-project/llvm/include/llvm/CodeGen/SelectionDAG.h:472:17: note: candidate: ‘void llvm::SelectionDAG::init(llvm::MachineFunction&, llvm::OptimizationRemarkEmitter&, llvm::Pass*, const llvm::TargetLibraryInfo*, llvm::UniformityInfo*, llvm::ProfileSummaryInfo*, llvm::BlockFrequencyInfo*, llvm::MachineModuleInfo&, const llvm::FunctionVarLocs*, bool)’
   LLVM_ABI void init(MachineFunction &NewMF, OptimizationRemarkEmitter &NewORE,
                 ^~~~
/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/llvm-project/llvm/include/llvm/CodeGen/SelectionDAG.h:472:17: note:   candidate expects 10 arguments, 9 provided
/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/llvm-project/llvm/include/llvm/CodeGen/SelectionDAG.h:478:8: note: candidate: ‘void llvm::SelectionDAG::init(llvm::MachineFunction&, llvm::OptimizationRemarkEmitter&, llvm::MachineFunctionAnalysisManager&, const llvm::TargetLibraryInfo*, llvm::UniformityInfo*, llvm::ProfileSummaryInfo*, llvm::BlockFrequencyInfo*, llvm::MachineModuleInfo&, const llvm::FunctionVarLocs*, bool)’
   void init(MachineFunction &NewMF, OptimizationRemarkEmitter &NewORE,
        ^~~~
/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-test-suite/clang-ppc64le-test-suite/llvm-project/llvm/include/llvm/CodeGen/SelectionDAG.h:478:8: note:   candidate expects 10 arguments, 9 provided
23.037 [9/60/69] Linking CXX executable unittests/Target/TargetMachineCTests
23.490 [9/59/70] Linking CXX executable unittests/DebugInfo/LogicalView/DebugInfoLogicalViewTests
23.872 [9/58/71] Linking CXX executable tools/clang/tools/extra/unittests/clang-move/ClangMoveTests
23.965 [9/57/72] Building CXX object unittests/Target/AArch64/CMakeFiles/AArch64Tests.dir/InstSizes.cpp.o
24.344 [9/56/73] Building CXX object unittests/Target/VE/CMakeFiles/VETests.dir/MachineInstrTest.cpp.o
24.469 [9/55/74] Building CXX object unittests/CodeGen/GlobalISel/CMakeFiles/GlobalISelTests.dir/GISelMITest.cpp.o
24.849 [9/54/75] Linking CXX executable tools/clang/tools/extra/unittests/clang-change-namespace/ClangChangeNamespaceTests
25.074 [9/53/76] Building CXX object unittests/CodeGen/GlobalISel/CMakeFiles/GlobalISelTests.dir/InstructionSelectTest.cpp.o
25.501 [9/52/77] Linking CXX executable tools/clang/tools/extra/unittests/clang-doc/ClangDocTests
26.126 [9/51/78] Building CXX object unittests/Target/LoongArch/CMakeFiles/LoongArchTests.dir/InstSizes.cpp.o
26.438 [9/50/79] Building CXX object unittests/CodeGen/GlobalISel/CMakeFiles/GlobalISelTests.dir/MachineIRBuilderTest.cpp.o
26.784 [9/49/80] Building CXX object unittests/CodeGen/GlobalISel/CMakeFiles/GlobalISelTests.dir/GISelAliasTest.cpp.o
26.880 [9/48/81] Building CXX object unittests/Target/AArch64/CMakeFiles/AArch64Tests.dir/AddressingModes.cpp.o
27.186 [9/47/82] Building CXX object unittests/CodeGen/CMakeFiles/CodeGenTests.dir/CCStateTest.cpp.o
28.914 [9/46/83] Building CXX object unittests/CodeGen/GlobalISel/CMakeFiles/GlobalISelTests.dir/ConstantFoldingTest.cpp.o
29.244 [9/45/84] Building CXX object unittests/CodeGen/GlobalISel/CMakeFiles/GlobalISelTests.dir/CSETest.cpp.o
29.772 [9/44/85] Building CXX object unittests/CodeGen/CMakeFiles/CodeGenTests.dir/SelectionDAGAddressAnalysisTest.cpp.o
30.857 [9/43/86] Building CXX object unittests/CodeGen/CMakeFiles/CodeGenTests.dir/MachineOperandTest.cpp.o
31.186 [9/42/87] Building CXX object unittests/CodeGen/CMakeFiles/CodeGenTests.dir/MachineBasicBlockTest.cpp.o
31.302 [9/41/88] Linking CXX executable unittests/ExecutionEngine/Orc/OrcJITTests
31.752 [9/40/89] Building CXX object unittests/CodeGen/GlobalISel/CMakeFiles/GlobalISelTests.dir/KnownFPClassTest.cpp.o
32.082 [9/39/90] Building CXX object unittests/CodeGen/CMakeFiles/CodeGenTests.dir/RegAllocScoreTest.cpp.o
32.894 [9/38/91] Building CXX object unittests/Target/AMDGPU/CMakeFiles/AMDGPUTests.dir/LiveRegUnits.cpp.o
33.102 [9/37/92] Linking CXX executable unittests/Transforms/Scalar/ScalarTests

```

</details>

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