[llvm] [AMDGPU] Only emit SCOPE_SYS global_wb (PR #110636)

Sun Oct 6 23:53:31 PDT 2024

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-aarch64-sve-vla-2stage` running on `linaro-g3-03` while building `llvm` at step 11 "build stage 2".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/41/builds/2586

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

```
Step 11 (build stage 2) failure: 'ninja' (failure)
...
[7837/8698] Building CXX object tools/flang/lib/Parser/CMakeFiles/FortranParser.dir/instrumented-parser.cpp.o
[7838/8698] Building CXX object tools/flang/lib/Parser/CMakeFiles/FortranParser.dir/token-sequence.cpp.o
[7839/8698] Building CXX object tools/flang/lib/Parser/CMakeFiles/FortranParser.dir/debug-parser.cpp.o
[7840/8698] Building CXX object tools/flang/lib/Parser/CMakeFiles/FortranParser.dir/io-parsers.cpp.o
[7841/8698] Linking CXX executable bin/dexp
clang++: warning: argument unused during compilation: '-mllvm -scalable-vectorization=preferred' [-Wunused-command-line-argument]
clang++: warning: argument unused during compilation: '-mllvm -treat-scalable-fixed-error-as-warning=false' [-Wunused-command-line-argument]
[7842/8698] Building CXX object tools/flang/lib/Parser/CMakeFiles/FortranParser.dir/parse-tree.cpp.o
[7843/8698] Building CXX object tools/flang/lib/Parser/CMakeFiles/FortranParser.dir/parsing.cpp.o
[7844/8698] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/Decomposer.cpp.o
FAILED: tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/Decomposer.cpp.o 
/home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/stage1.install/bin/clang++ -DFLANG_INCLUDE_TESTS=1 -DFLANG_LITTLE_ENDIAN=1 -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/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/stage2/tools/flang/lib/Lower -I/home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/llvm/flang/lib/Lower -I/home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/llvm/flang/include -I/home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/stage2/tools/flang/include -I/home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/stage2/include -I/home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/llvm/llvm/include -isystem /home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/llvm/llvm/../mlir/include -isystem /home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/stage2/tools/mlir/include -isystem /home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/stage2/tools/clang/include -isystem /home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/llvm/llvm/../clang/include -mcpu=neoverse-512tvb -mllvm -scalable-vectorization=preferred -mllvm -treat-scalable-fixed-error-as-warning=false -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 -Wno-comment -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -Wno-deprecated-copy -Wno-string-conversion -Wno-ctad-maybe-unsupported -Wno-unused-command-line-argument -Wstring-conversion           -Wcovered-switch-default -Wno-nested-anon-types -O3 -DNDEBUG -std=c++17  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/Decomposer.cpp.o -MF tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/Decomposer.cpp.o.d -o tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/Decomposer.cpp.o -c /home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/llvm/flang/lib/Lower/OpenMP/Decomposer.cpp
Killed
[7845/8698] Building CXX object tools/flang/lib/Parser/CMakeFiles/FortranParser.dir/program-parsers.cpp.o
[7846/8698] Building CXX object tools/flang/lib/Parser/CMakeFiles/FortranParser.dir/expr-parsers.cpp.o
[7847/8698] Building CXX object tools/flang/lib/Parser/CMakeFiles/FortranParser.dir/tools.cpp.o
[7848/8698] Building CXX object tools/flang/lib/Parser/CMakeFiles/FortranParser.dir/openacc-parsers.cpp.o
[7849/8698] Linking CXX executable bin/clangd-indexer
clang++: warning: argument unused during compilation: '-mllvm -scalable-vectorization=preferred' [-Wunused-command-line-argument]
clang++: warning: argument unused during compilation: '-mllvm -treat-scalable-fixed-error-as-warning=false' [-Wunused-command-line-argument]
[7850/8698] Linking CXX shared library lib/libclang.so.20.0.0git
clang++: warning: argument unused during compilation: '-mllvm -scalable-vectorization=preferred' [-Wunused-command-line-argument]
clang++: warning: argument unused during compilation: '-mllvm -treat-scalable-fixed-error-as-warning=false' [-Wunused-command-line-argument]
[7851/8698] Linking CXX executable bin/clangd-fuzzer
clang++: warning: argument unused during compilation: '-mllvm -scalable-vectorization=preferred' [-Wunused-command-line-argument]
clang++: warning: argument unused during compilation: '-mllvm -treat-scalable-fixed-error-as-warning=false' [-Wunused-command-line-argument]
[7852/8698] Linking CXX executable bin/clangd
clang++: warning: argument unused during compilation: '-mllvm -scalable-vectorization=preferred' [-Wunused-command-line-argument]
clang++: warning: argument unused during compilation: '-mllvm -treat-scalable-fixed-error-as-warning=false' [-Wunused-command-line-argument]
[7853/8698] Building CXX object tools/flang/lib/Parser/CMakeFiles/FortranParser.dir/executable-parsers.cpp.o
[7854/8698] Building CXX object tools/flang/lib/Parser/CMakeFiles/FortranParser.dir/openmp-parsers.cpp.o
[7855/8698] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/ConvertType.cpp.o
[7856/8698] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/OpenACC.cpp.o
[7857/8698] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/IO.cpp.o
[7858/8698] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/Allocatable.cpp.o
[7859/8698] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/HostAssociations.cpp.o
[7860/8698] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/ConvertCall.cpp.o
[7861/8698] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/ConvertVariable.cpp.o
[7862/8698] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/ConvertConstant.cpp.o
[7863/8698] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/IterationSpace.cpp.o
[7864/8698] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/ConvertArrayConstructor.cpp.o
[7865/8698] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/CallInterface.cpp.o
[7866/8698] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/ConvertProcedureDesignator.cpp.o
[7867/8698] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/ConvertExpr.cpp.o
[7868/8698] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/ConvertExprToHLFIR.cpp.o
[7869/8698] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/Bridge.cpp.o
[7870/8698] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/DataSharingProcessor.cpp.o
[7871/8698] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/ClauseProcessor.cpp.o
[7872/8698] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/PFTBuilder.cpp.o

```

</details>

https://github.com/llvm/llvm-project/pull/110636