[mlir] Remove unused local variables (NFC)

[kazutakahirata]

No description provided.

[llvmbot]

@llvm/pr-subscribers-mlir-llvm
@llvm/pr-subscribers-mlir

@llvm/pr-subscribers-mlir-core

Author: Kazu Hirata (kazutakahirata)

Changes

---

Full diff: https://github.com/llvm/llvm-project/pull/140423.diff

2 Files Affected:

• (modified) mlir/lib/Target/LLVMIR/Dialect/LLVMIR/LLVMToLLVMIRTranslation.cpp (-1)
• (modified) mlir/lib/Transforms/RemoveDeadValues.cpp (-2)

diff --git a/mlir/lib/Target/LLVMIR/Dialect/LLVMIR/LLVMToLLVMIRTranslation.cpp b/mlir/lib/Target/LLVMIR/Dialect/LLVMIR/LLVMToLLVMIRTranslation.cpp
index d9605b19aaaa5..c954dffb376bb 100644
--- a/mlir/lib/Target/LLVMIR/Dialect/LLVMIR/LLVMToLLVMIRTranslation.cpp
+++ b/mlir/lib/Target/LLVMIR/Dialect/LLVMIR/LLVMToLLVMIRTranslation.cpp
@@ -308,7 +308,6 @@ static llvm::Metadata *convertModuleFlagProfileSummaryAttr(
     llvm::IRBuilderBase &builder, LLVM::ModuleTranslation &moduleTranslation) {
   llvm::LLVMContext &context = builder.getContext();
   llvm::MDBuilder mdb(context);
-  SmallVector<llvm::Metadata *> summaryNodes;
 
   auto getIntTuple = [&](StringRef key, uint64_t val) -> llvm::MDTuple * {
     SmallVector<llvm::Metadata *> tupleNodes{
diff --git a/mlir/lib/Transforms/RemoveDeadValues.cpp b/mlir/lib/Transforms/RemoveDeadValues.cpp
index 4939dda4a20f9..08dfea8eb2648 100644
--- a/mlir/lib/Transforms/RemoveDeadValues.cpp
+++ b/mlir/lib/Transforms/RemoveDeadValues.cpp
@@ -389,8 +389,6 @@ static void processRegionBranchOp(RegionBranchOpInterface regionBranchOp,
   // the successors of `regionBranchOp`.
   auto getSuccessors = [&](Region *region = nullptr) {
     auto point = region ? region : RegionBranchPoint::parent();
-    SmallVector<Attribute> operandAttributes(regionBranchOp->getNumOperands(),
-                                             nullptr);
     SmallVector<RegionSuccessor> successors;
     regionBranchOp.getSuccessorRegions(point, successors);
     return successors;

[llvm-ci]

LLVM Buildbot has detected a new failure on builder clang-aarch64-sve-vla-2stage running on linaro-g3-03 while building mlir at step 12 "ninja check 2".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/41/builds/6750

Here is the relevant piece of the build log for the reference

Step 12 (ninja check 2) failure: stage 2 checked (failure)
...
[165/173] Building CXX object flang-rt/unittests/Runtime/CMakeFiles/RuntimeTests.dir/MatmulTranspose.cpp.o
[166/173] Building CXX object flang-rt/unittests/Runtime/CMakeFiles/RuntimeTests.dir/Matmul.cpp.o
[167/173] Building CXX object flang-rt/unittests/Runtime/CMakeFiles/RuntimeTests.dir/ListInputTest.cpp.o
[168/173] Building CXX object flang-rt/unittests/Runtime/CMakeFiles/RuntimeTests.dir/ExternalIOTest.cpp.o
[169/173] Building CXX object flang-rt/unittests/Runtime/CMakeFiles/RuntimeTests.dir/Format.cpp.o
[170/173] Building CXX object flang-rt/unittests/Runtime/CMakeFiles/RuntimeTests.dir/NumericalFormatTest.cpp.o
[171/173] Building CXX object flang-rt/unittests/Runtime/CMakeFiles/RuntimeTests.dir/Transformational.cpp.o
[172/173] Building CXX object flang-rt/unittests/Runtime/CMakeFiles/RuntimeTests.dir/Reduction.cpp.o
[173/173] Linking CXX executable flang-rt/unittests/Runtime/RuntimeTests
[767/1382] Linking CXX executable unittests/AsmParser/AsmParserTests
FAILED: unittests/AsmParser/AsmParserTests 
: && /home/tcwg-buildbot/worker/clang-aarch64-sve-vla-2stage/stage1.install/bin/clang++ -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 -Wno-unnecessary-virtual-specifier -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wno-comment -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -fuse-ld=lld -Wl,--color-diagnostics    -Wl,--gc-sections unittests/AsmParser/CMakeFiles/AsmParserTests.dir/AsmParserTest.cpp.o -o unittests/AsmParser/AsmParserTests  lib/libLLVMAsmParser.a  lib/libLLVMCore.a  lib/libLLVMSupport.a  lib/libLLVMSupport.a  lib/libllvm_gtest_main.a  lib/libllvm_gtest.a  lib/libLLVMRemarks.a  lib/libLLVMBitstreamReader.a  lib/libLLVMBinaryFormat.a  lib/libLLVMTargetParser.a  lib/libLLVMSupport.a  lib/libLLVMDemangle.a  -lrt  -ldl  -lm  /usr/lib/aarch64-linux-gnu/libz.so  -lpthread && :
clang++: error: no such file or directory: 'lib/libllvm_gtest.a'
[784/1382] Building CXX object unittests/CodeGen/CMakeFiles/CodeGenTests.dir/AArch64SelectionDAGTest.cpp.o
[786/1382] Building CXX object unittests/CodeGen/CMakeFiles/CodeGenTests.dir/AsmPrinterDwarfTest.cpp.o
[787/1382] Building CXX object unittests/ADT/CMakeFiles/ADTTests.dir/SmallVectorTest.cpp.o
ninja: build stopped: subcommand failed.