[Mlir-commits] [mlir] [mlir][vector] Use `ShapeCastOp` in `castAwayContractionLeadingOneDim` (PR #226524)

Sat Oct 3 21:16:41 PDT 2026

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `ppc64le-mlir-rhel-clang` running on `ppc64le-mlir-rhel-test` while building `mlir` at step 5 "build-check-mlir-build-only".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/129/builds/54098

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

```
Step 5 (build-check-mlir-build-only) failure: build (failure)
...
233.788 [503/26/4347] Linking CXX static library lib/libMLIRFuncTransforms.a
233.807 [502/26/4348] Linking CXX static library lib/libMLIRSPIRVDialect.a
233.945 [498/29/4349] Linking CXX static library lib/libMLIRTransformDialectInterfaces.a
233.945 [498/28/4350] Linking CXX static library lib/libMLIREmitCTransforms.a
233.945 [498/27/4351] Linking CXX static library lib/libMLIREmitCCommonConversion.a
234.014 [493/31/4352] Linking CXX static library lib/libMLIRMLProgramDialect.a
234.015 [493/30/4353] Linking CXX static library lib/libMLIRReconcileUnrealizedCasts.a
234.015 [493/29/4354] Linking CXX static library lib/libMLIRVectorDialect.a
234.139 [489/32/4355] Linking CXX static library lib/libMLIRReduceLib.a
234.145 [489/31/4356] Building CXX object tools/mlir/lib/Dialect/Vector/Transforms/CMakeFiles/obj.MLIRVectorTransforms.dir/VectorDropLeadUnitDim.cpp.o
FAILED: tools/mlir/lib/Dialect/Vector/Transforms/CMakeFiles/obj.MLIRVectorTransforms.dir/VectorDropLeadUnitDim.cpp.o 
ccache /home/buildbots/llvm-external-buildbots/clang.19.1.7/bin/clang++ -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/home/buildbots/llvm-external-buildbots/workers/ppc64le-mlir-rhel-test/ppc64le-mlir-rhel-clang-build/build/tools/mlir/lib/Dialect/Vector/Transforms -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-mlir-rhel-test/ppc64le-mlir-rhel-clang-build/llvm-project/mlir/lib/Dialect/Vector/Transforms -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-mlir-rhel-test/ppc64le-mlir-rhel-clang-build/build/tools/mlir/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-mlir-rhel-test/ppc64le-mlir-rhel-clang-build/llvm-project/mlir/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-mlir-rhel-test/ppc64le-mlir-rhel-clang-build/build/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-mlir-rhel-test/ppc64le-mlir-rhel-clang-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 -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -Xclang -fno-pch-timestamp -Wundef -Werror=mismatched-tags -Werror=global-constructors -O3 -DNDEBUG -std=c++17 -UNDEBUG -fno-exceptions -funwind-tables -fno-rtti -Winvalid-pch -Xclang -include-pch -Xclang /home/buildbots/llvm-external-buildbots/workers/ppc64le-mlir-rhel-test/ppc64le-mlir-rhel-clang-build/build/tools/mlir/lib/IR/CMakeFiles/obj.MLIRIR.dir/cmake_pch.hxx.pch -Xclang -include -Xclang /home/buildbots/llvm-external-buildbots/workers/ppc64le-mlir-rhel-test/ppc64le-mlir-rhel-clang-build/build/tools/mlir/lib/IR/CMakeFiles/obj.MLIRIR.dir/cmake_pch.hxx -MD -MT tools/mlir/lib/Dialect/Vector/Transforms/CMakeFiles/obj.MLIRVectorTransforms.dir/VectorDropLeadUnitDim.cpp.o -MF tools/mlir/lib/Dialect/Vector/Transforms/CMakeFiles/obj.MLIRVectorTransforms.dir/VectorDropLeadUnitDim.cpp.o.d -o tools/mlir/lib/Dialect/Vector/Transforms/CMakeFiles/obj.MLIRVectorTransforms.dir/VectorDropLeadUnitDim.cpp.o -c /home/buildbots/llvm-external-buildbots/workers/ppc64le-mlir-rhel-test/ppc64le-mlir-rhel-clang-build/llvm-project/mlir/lib/Dialect/Vector/Transforms/VectorDropLeadUnitDim.cpp
/home/buildbots/llvm-external-buildbots/workers/ppc64le-mlir-rhel-test/ppc64le-mlir-rhel-clang-build/llvm-project/mlir/lib/Dialect/Vector/Transforms/VectorDropLeadUnitDim.cpp:515:10: error: use of undeclared identifier 'restoerLeadingUnitDimViaShapeCastOrBcast'; did you mean 'restoreLeadingUnitDimViaShapeCastOrBcast'?
  515 |   return restoerLeadingUnitDimViaShapeCastOrBcast(
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |          restoreLeadingUnitDimViaShapeCastOrBcast
/home/buildbots/llvm-external-buildbots/workers/ppc64le-mlir-rhel-test/ppc64le-mlir-rhel-clang-build/llvm-project/mlir/lib/Dialect/Vector/Transforms/VectorDropLeadUnitDim.cpp:360:14: note: 'restoreLeadingUnitDimViaShapeCastOrBcast' declared here
  360 | static Value restoreLeadingUnitDimViaShapeCastOrBcast(RewriterBase &rewriter,
      |              ^
1 error generated.
234.145 [489/30/4357] Linking CXX static library lib/libMLIRCAPITransforms.a
234.145 [489/29/4358] Linking CXX static library lib/libMLIRAffineAnalysis.a
234.146 [489/28/4359] Linking CXX static library lib/libMLIRControlFlowToSCF.a
234.146 [489/27/4360] Linking CXX static library lib/libMLIRSCFToAffine.a
234.146 [489/26/4361] Linking CXX static library lib/libMLIRBufferizationTransforms.a
234.147 [489/25/4362] Linking CXX static library lib/libMLIRLinalgDialect.a
234.147 [489/24/4363] Linking CXX static library lib/libMLIRBufferizationShardingExtensions.a
234.147 [489/23/4364] Linking CXX static library lib/libMLIRFuncShardingExtensions.a
234.147 [489/22/4365] Linking CXX static library lib/libMLIRTensorShardingExtensions.a
234.148 [489/21/4366] Linking CXX static library lib/libMLIRTosaShardingInterfaceImpl.a
234.148 [489/20/4367] Linking CXX static library lib/libMLIRTosaTestPasses.a
234.148 [489/19/4368] Linking CXX static library lib/libMLIRShapeToStandard.a
234.148 [489/18/4369] Linking CXX static library lib/libMLIRCAPIFunc.a
234.184 [489/17/4370] Linking CXX static library lib/libMLIRSPIRVSerialization.a
234.231 [489/16/4371] Linking CXX static library lib/libMLIRSPIRVUtils.a
234.339 [489/15/4372] Linking CXX static library lib/libMLIRGPUUtils.a
234.351 [489/14/4373] Linking CXX static library lib/libMLIRMathToEmitC.a
234.408 [489/13/4374] Linking CXX static library lib/libMLIRSPIRVModuleCombiner.a
234.412 [489/12/4375] Linking CXX static library lib/libMLIRSPIRVDeserialization.a
234.448 [489/11/4376] Linking CXX static library lib/libMLIRArithToEmitC.a
234.471 [489/10/4377] Linking CXX static library lib/libMLIRFuncToEmitC.a
234.471 [489/9/4378] Linking CXX static library lib/libMLIRArithAndMathToAPFloatUtils.a
234.484 [489/8/4379] Linking CXX static library lib/libMLIRMemRefToEmitC.a
234.518 [489/7/4380] Linking CXX static library lib/libMLIRSCFToEmitC.a
234.522 [489/6/4381] Linking CXX static library lib/libMLIRArmNeon2dToIntr.a
234.562 [489/5/4382] Linking CXX static library lib/libMLIRWasmRaise.a
234.598 [489/4/4383] Linking CXX executable tools/mlir/unittests/Dialect/MemRef/MLIRMemRefTests
234.651 [489/3/4384] Linking CXX executable tools/mlir/unittests/Transforms/MLIRTransformsTests
252.198 [489/2/4385] Building CXX object lib/CodeGen/AsmPrinter/CMakeFiles/LLVMAsmPrinter.dir/AsmPrinter.cpp.o

```

</details>

https://github.com/llvm/llvm-project/pull/226524