[llvm] AMDGPU: Fix s_barrier_leave to write to scc (PR #161221)

Tue Sep 30 04:02:21 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `amdgpu-offload-rhel-8-cmake-build-only` running on `rocm-docker-rhel-8` while building `llvm` at step 4 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/204/builds/23646

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

```
Step 4 (annotate) failure: '../llvm-zorg/zorg/buildbot/builders/annotated/amdgpu-offload-cmake.py --jobs=32' (failure)
...
[7055/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUMachineModuleInfo.cpp.o
[7056/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPULateCodeGenPrepare.cpp.o
[7057/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPULowerKernelArguments.cpp.o
[7058/8095] Building CXX object tools/flang/lib/Evaluate/CMakeFiles/FortranEvaluate.dir/intrinsics-library.cpp.o
[7059/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUInstCombineIntrinsic.cpp.o
[7060/8095] Building CXX object tools/flang/lib/Evaluate/CMakeFiles/FortranEvaluate.dir/fold-reduction.cpp.o
[7061/8095] Building CXX object tools/flang/lib/Evaluate/CMakeFiles/FortranEvaluate.dir/initial-image.cpp.o
[7062/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPULowerIntrinsics.cpp.o
[7063/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUImageIntrinsicOptimizer.cpp.o
[7064/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUInstructionSelector.cpp.o
FAILED: lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUInstructionSelector.cpp.o 
ccache /usr/bin/c++ -DGTEST_HAS_RTTI=0 -DLLVM_EXPORTS -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GLIBCXX_USE_CXX11_ABI=1 -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/build/lib/Target/AMDGPU -I/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Target/AMDGPU -I/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/build/include -I/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/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-array-bounds -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wno-comment -Wno-misleading-indentation -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -std=c++17 -fPIC  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUInstructionSelector.cpp.o -MF lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUInstructionSelector.cpp.o.d -o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUInstructionSelector.cpp.o -c /home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp: In member function ‘llvm::GIMatchTableExecutor::ComplexRendererFns llvm::AMDGPUInstructionSelector::selectIgnore(llvm::MachineOperand&) const’:
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp:4271: error: converting to ‘llvm::GIMatchTableExecutor::ComplexRendererFns’ {aka ‘std::optional<llvm::SmallVector<std::function<void(llvm::MachineInstrBuilder&)>, 4> >’} from initializer list would use explicit constructor ‘constexpr std::optional<_Tp>::optional(std::in_place_t, _Args&& ...) [with _Args = {}; typename std::enable_if<is_constructible_v<_Tp, _Args&& ...>, bool>::type <anonymous> = 0; _Tp = llvm::SmallVector<std::function<void(llvm::MachineInstrBuilder&)>, 4>]’
   return {{}};

/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp:4271: error: converting to ‘std::in_place_t’ from initializer list would use explicit constructor ‘constexpr std::in_place_t::in_place_t()’
[7065/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUMachineFunction.cpp.o
[7066/8095] Building CXX object tools/flang/lib/Evaluate/CMakeFiles/FortranEvaluate.dir/expression.cpp.o
[7067/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUISelDAGToDAG.cpp.o
[7068/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUPrepareAGPRAlloc.cpp.o
[7069/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUISelLowering.cpp.o
[7070/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPULowerModuleLDSPass.cpp.o
[7071/8095] Building CXX object tools/flang/lib/Evaluate/CMakeFiles/FortranEvaluate.dir/formatting.cpp.o
[7072/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUMacroFusion.cpp.o
[7073/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPULowerBufferFatPointers.cpp.o
[7074/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUMCResourceInfo.cpp.o
[7075/8095] Building CXX object tools/flang/tools/f18-parse-demo/CMakeFiles/f18-parse-demo.dir/f18-parse-demo.cpp.o
[7076/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPULegalizerInfo.cpp.o
[7077/8095] Building CXX object tools/flang/lib/Evaluate/CMakeFiles/FortranEvaluate.dir/fold-designator.cpp.o
[7078/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUMemoryUtils.cpp.o
[7079/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPULowerVGPREncoding.cpp.o
[7080/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUSwLowerLDS.cpp.o
[7081/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUMarkLastScratchLoad.cpp.o
[7082/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUMIRFormatter.cpp.o
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUMIRFormatter.cpp: In lambda function:
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUMIRFormatter.cpp:62: warning: comparison of integer expressions of different signedness: ‘uint64_t’ {aka ‘long unsigned int’} and ‘const int64_t’ {aka ‘const long int’} [-Wsign-compare]
     if (Id == None)

[7083/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUMCInstLower.cpp.o
[7084/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUPerfHintAnalysis.cpp.o
[7085/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUIGroupLP.cpp.o
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUIGroupLP.cpp:255: warning: ‘maybe_unused’ attribute ignored [-Wattributes]
   [[maybe_unused]] ScheduleDAGMI *DAG;

[7086/8095] Building CXX object tools/flang/lib/Evaluate/CMakeFiles/FortranEvaluate.dir/characteristics.cpp.o
[7087/8095] Building CXX object tools/flang/lib/Evaluate/CMakeFiles/FortranEvaluate.dir/shape.cpp.o
[7088/8095] Building CXX object tools/flang/lib/Evaluate/CMakeFiles/FortranEvaluate.dir/intrinsics.cpp.o
[7089/8095] Building CXX object tools/flang/lib/Evaluate/CMakeFiles/FortranEvaluate.dir/fold-character.cpp.o
Step 7 (build cmake config) failure: build cmake config (failure)
...
[7055/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUMachineModuleInfo.cpp.o
[7056/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPULateCodeGenPrepare.cpp.o
[7057/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPULowerKernelArguments.cpp.o
[7058/8095] Building CXX object tools/flang/lib/Evaluate/CMakeFiles/FortranEvaluate.dir/intrinsics-library.cpp.o
[7059/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUInstCombineIntrinsic.cpp.o
[7060/8095] Building CXX object tools/flang/lib/Evaluate/CMakeFiles/FortranEvaluate.dir/fold-reduction.cpp.o
[7061/8095] Building CXX object tools/flang/lib/Evaluate/CMakeFiles/FortranEvaluate.dir/initial-image.cpp.o
[7062/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPULowerIntrinsics.cpp.o
[7063/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUImageIntrinsicOptimizer.cpp.o
[7064/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUInstructionSelector.cpp.o
FAILED: lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUInstructionSelector.cpp.o 
ccache /usr/bin/c++ -DGTEST_HAS_RTTI=0 -DLLVM_EXPORTS -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GLIBCXX_USE_CXX11_ABI=1 -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/build/lib/Target/AMDGPU -I/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Target/AMDGPU -I/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/build/include -I/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/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-array-bounds -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wno-comment -Wno-misleading-indentation -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -std=c++17 -fPIC  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUInstructionSelector.cpp.o -MF lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUInstructionSelector.cpp.o.d -o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUInstructionSelector.cpp.o -c /home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp: In member function ‘llvm::GIMatchTableExecutor::ComplexRendererFns llvm::AMDGPUInstructionSelector::selectIgnore(llvm::MachineOperand&) const’:
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp:4271: error: converting to ‘llvm::GIMatchTableExecutor::ComplexRendererFns’ {aka ‘std::optional<llvm::SmallVector<std::function<void(llvm::MachineInstrBuilder&)>, 4> >’} from initializer list would use explicit constructor ‘constexpr std::optional<_Tp>::optional(std::in_place_t, _Args&& ...) [with _Args = {}; typename std::enable_if<is_constructible_v<_Tp, _Args&& ...>, bool>::type <anonymous> = 0; _Tp = llvm::SmallVector<std::function<void(llvm::MachineInstrBuilder&)>, 4>]’
   return {{}};

/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp:4271: error: converting to ‘std::in_place_t’ from initializer list would use explicit constructor ‘constexpr std::in_place_t::in_place_t()’
[7065/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUMachineFunction.cpp.o
[7066/8095] Building CXX object tools/flang/lib/Evaluate/CMakeFiles/FortranEvaluate.dir/expression.cpp.o
[7067/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUISelDAGToDAG.cpp.o
[7068/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUPrepareAGPRAlloc.cpp.o
[7069/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUISelLowering.cpp.o
[7070/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPULowerModuleLDSPass.cpp.o
[7071/8095] Building CXX object tools/flang/lib/Evaluate/CMakeFiles/FortranEvaluate.dir/formatting.cpp.o
[7072/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUMacroFusion.cpp.o
[7073/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPULowerBufferFatPointers.cpp.o
[7074/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUMCResourceInfo.cpp.o
[7075/8095] Building CXX object tools/flang/tools/f18-parse-demo/CMakeFiles/f18-parse-demo.dir/f18-parse-demo.cpp.o
[7076/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPULegalizerInfo.cpp.o
[7077/8095] Building CXX object tools/flang/lib/Evaluate/CMakeFiles/FortranEvaluate.dir/fold-designator.cpp.o
[7078/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUMemoryUtils.cpp.o
[7079/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPULowerVGPREncoding.cpp.o
[7080/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUSwLowerLDS.cpp.o
[7081/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUMarkLastScratchLoad.cpp.o
[7082/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUMIRFormatter.cpp.o
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUMIRFormatter.cpp: In lambda function:
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUMIRFormatter.cpp:62: warning: comparison of integer expressions of different signedness: ‘uint64_t’ {aka ‘long unsigned int’} and ‘const int64_t’ {aka ‘const long int’} [-Wsign-compare]
     if (Id == None)

[7083/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUMCInstLower.cpp.o
[7084/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUPerfHintAnalysis.cpp.o
[7085/8095] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUIGroupLP.cpp.o
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUIGroupLP.cpp:255: warning: ‘maybe_unused’ attribute ignored [-Wattributes]
   [[maybe_unused]] ScheduleDAGMI *DAG;

[7086/8095] Building CXX object tools/flang/lib/Evaluate/CMakeFiles/FortranEvaluate.dir/characteristics.cpp.o
[7087/8095] Building CXX object tools/flang/lib/Evaluate/CMakeFiles/FortranEvaluate.dir/shape.cpp.o
[7088/8095] Building CXX object tools/flang/lib/Evaluate/CMakeFiles/FortranEvaluate.dir/intrinsics.cpp.o
[7089/8095] Building CXX object tools/flang/lib/Evaluate/CMakeFiles/FortranEvaluate.dir/fold-character.cpp.o

```

</details>

https://github.com/llvm/llvm-project/pull/161221