[llvm] [Hexagon] Add AggressiveRDF copy propagation (PR #182818)

Mon Jun 1 04:47:24 PDT 2026

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-sparc64-linux` running on `debian-stadler-sparc64` while building `llvm` at step 7 "ninja check 1".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/114/builds/744

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

```
Step 7 (ninja check 1) failure: stage 1 checked (failure)
...
[949/1112] Building CXX object unittests/Testing/Annotations/CMakeFiles/TestingAnnotationTests.dir/AnnotationsTest.cpp.o
[950/1112] Building CXX object unittests/Transforms/Utils/CMakeFiles/UtilsTests.dir/FunctionComparatorTest.cpp.o
[951/1112] Building CXX object unittests/Transforms/Utils/CMakeFiles/UtilsTests.dir/DebugSSAUpdaterTest.cpp.o
[952/1112] Building CXX object unittests/Transforms/Utils/CMakeFiles/UtilsTests.dir/IntegerDivisionTest.cpp.o
[953/1112] Building CXX object unittests/TextAPI/CMakeFiles/TextAPITests.dir/TextStubV3Tests.cpp.o
[954/1112] Building CXX object unittests/Transforms/Utils/CMakeFiles/UtilsTests.dir/DebugifyTest.cpp.o
[955/1112] Building CXX object unittests/Transforms/IPO/CMakeFiles/IPOTests.dir/FunctionSpecializationTest.cpp.o
[956/1112] Building CXX object unittests/Transforms/IPO/CMakeFiles/IPOTests.dir/AttributorTest.cpp.o
[957/1112] Building CXX object unittests/Transforms/Utils/CMakeFiles/UtilsTests.dir/BasicBlockUtilsTest.cpp.o
[958/1112] Building CXX object unittests/Transforms/Scalar/CMakeFiles/ScalarTests.dir/LoopPassManagerTest.cpp.o
FAILED: [code=1] unittests/Transforms/Scalar/CMakeFiles/ScalarTests.dir/LoopPassManagerTest.cpp.o 
/usr/bin/c++ -DLLVM_BUILD_STATIC -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GLIBCXX_USE_CXX11_ABI=1 -D_GNU_SOURCE -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_EXTENSIVE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/stage1/unittests/Transforms/Scalar -I/var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/llvm/llvm/unittests/Transforms/Scalar -I/var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/stage1/include -I/var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/llvm/llvm/include -I/var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/llvm/third-party/unittest/googletest/include -I/var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/llvm/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-maybe-uninitialized -Wno-nonnull -Wno-class-memaccess -Wno-dangling-reference -Wno-redundant-move -Wno-pessimizing-move -Wno-array-bounds -Wno-stringop-overread -Wno-dangling-pointer -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wsuggest-override -Wno-comment -Wno-misleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -std=c++17 -UNDEBUG -Wno-dangling-else -Wno-variadic-macros -fno-exceptions -funwind-tables -fno-rtti -Wno-suggest-override -MD -MT unittests/Transforms/Scalar/CMakeFiles/ScalarTests.dir/LoopPassManagerTest.cpp.o -MF unittests/Transforms/Scalar/CMakeFiles/ScalarTests.dir/LoopPassManagerTest.cpp.o.d -o unittests/Transforms/Scalar/CMakeFiles/ScalarTests.dir/LoopPassManagerTest.cpp.o -c /var/lib/buildbot/workers/debian-stadler-sparc64/clang-sparc64-linux/llvm/llvm/unittests/Transforms/Scalar/LoopPassManagerTest.cpp
In constructor ‘std::tuple< <template-parameter-1-1> >::tuple(std::allocator_arg_t, const _Alloc&, const std::tuple<_Args2 ...>&)’:
cc1plus: error: expected ‘(’ before ‘=’ token [-Wtemplate-body]
cc1plus: error: expected ‘{’ before ‘=’ token [-Wtemplate-body]
[959/1112] Building CXX object unittests/Transforms/Utils/CMakeFiles/UtilsTests.dir/CallPromotionUtilsTest.cpp.o
[960/1112] Building CXX object unittests/Transforms/Scalar/CMakeFiles/ScalarTests.dir/LICMTest.cpp.o
[961/1112] Building CXX object unittests/TextAPI/CMakeFiles/TextAPITests.dir/TextStubV4Tests.cpp.o
[962/1112] Building CXX object unittests/Transforms/Utils/CMakeFiles/UtilsTests.dir/CodeMoverUtilsTest.cpp.o
[963/1112] Building CXX object unittests/TextAPI/CMakeFiles/TextAPITests.dir/TextStubV5Tests.cpp.o
[964/1112] Building CXX object unittests/Transforms/Instrumentation/CMakeFiles/InstrumentationTests.dir/PGOInstrumentationTest.cpp.o
[965/1112] Building CXX object unittests/Transforms/Utils/CMakeFiles/UtilsTests.dir/LoopRotationUtilsTest.cpp.o
[966/1112] Building CXX object unittests/Support/CMakeFiles/SupportTests.dir/Path.cpp.o
[967/1112] Building CXX object unittests/Transforms/Utils/CMakeFiles/UtilsTests.dir/CodeExtractorTest.cpp.o
[968/1112] Building CXX object unittests/Transforms/Utils/CMakeFiles/UtilsTests.dir/SizeOptsTest.cpp.o
[969/1112] Building CXX object unittests/Transforms/Utils/CMakeFiles/UtilsTests.dir/LoopUtilsTest.cpp.o
[970/1112] Building CXX object unittests/Transforms/Utils/CMakeFiles/UtilsTests.dir/ProfDataUtilTest.cpp.o
[971/1112] Building CXX object unittests/Transforms/Utils/CMakeFiles/UtilsTests.dir/ModuleUtilsTest.cpp.o
[972/1112] Building CXX object unittests/Transforms/Utils/CMakeFiles/UtilsTests.dir/UnrollLoopTest.cpp.o
[973/1112] Building CXX object unittests/TargetParser/CMakeFiles/TargetParserTests.dir/RISCVISAInfoTest.cpp.o
[974/1112] Building CXX object unittests/Frontend/CMakeFiles/LLVMFrontendTests.dir/OpenMPDecompositionTest.cpp.o
[975/1112] Building CXX object unittests/Transforms/Instrumentation/CMakeFiles/InstrumentationTests.dir/MemProfUseTest.cpp.o
[976/1112] Building CXX object unittests/Transforms/Utils/CMakeFiles/UtilsTests.dir/LocalTest.cpp.o
[977/1112] Building CXX object unittests/Transforms/Utils/CMakeFiles/UtilsTests.dir/SSAUpdaterBulkTest.cpp.o
[978/1112] Building CXX object unittests/Transforms/Utils/CMakeFiles/UtilsTests.dir/MemTransferLowering.cpp.o
[979/1112] Building CXX object unittests/Transforms/Utils/CMakeFiles/UtilsTests.dir/ValueMapperTest.cpp.o
[980/1112] Building CXX object unittests/Support/CMakeFiles/SupportTests.dir/YAMLIOTest.cpp.o
[981/1112] Building CXX object unittests/Transforms/Utils/CMakeFiles/UtilsTests.dir/CloningTest.cpp.o
[982/1112] Building CXX object unittests/Transforms/Utils/CMakeFiles/UtilsTests.dir/ScalarEvolutionExpanderTest.cpp.o
[983/1112] Building CXX object unittests/Transforms/Vectorize/CMakeFiles/VectorizeTests.dir/VPDomTreeTest.cpp.o
[984/1112] Building CXX object unittests/Transforms/Vectorize/CMakeFiles/VectorizeTests.dir/VPlanHCFGTest.cpp.o
[985/1112] Building CXX object unittests/Transforms/Vectorize/CMakeFiles/VectorizeTests.dir/VPPostDomFrontierTest.cpp.o
[986/1112] Building CXX object tools/clang/unittests/Format/CMakeFiles/FormatTests.dir/FormatTest.cpp.o
[987/1112] Building CXX object unittests/Support/CMakeFiles/SupportTests.dir/VirtualFileSystemTest.cpp.o
[988/1112] Building CXX object unittests/TargetParser/CMakeFiles/TargetParserTests.dir/TargetParserTest.cpp.o
[989/1112] Building CXX object unittests/SandboxIR/CMakeFiles/SandboxIRTests.dir/SandboxIRTest.cpp.o
[990/1112] Building CXX object unittests/Transforms/Vectorize/CMakeFiles/VectorizeTests.dir/VPlanTest.cpp.o
[991/1112] Building CXX object unittests/TargetParser/CMakeFiles/TargetParserTests.dir/TripleTest.cpp.o
ninja: build stopped: subcommand failed.

```

</details>

https://github.com/llvm/llvm-project/pull/182818