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llvm uplift 2026 March#7313

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nsmithtt wants to merge 7 commits intomainfrom
nsmith/llvm-uplift-march-2026
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llvm uplift 2026 March#7313
nsmithtt wants to merge 7 commits intomainfrom
nsmith/llvm-uplift-march-2026

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@nsmithtt nsmithtt commented Mar 3, 2026

Problem description

TT-MLIR compiler references the following external projects:

  • LLVM
  • StableHLO
  • Shardy

Last successful uplift was:
#5282

What's changed

Integrating the fresh LLVM, StableHLO, and Shardy versions in the tt-mlir compiler.

LLVM: 1053047a4be7d1fece3adaf5e7597f838058c947
StableHLO: 43550117525e77084ac1f83ba50febc0688f7958
Shardy: 4069e470c94d7b08f129ef1607aa2be8f4c06b53

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Pull request overview

Updates tt-mlir’s pinned LLVM/StableHLO/Shardy revisions and applies the required mechanical codebase adjustments to build against the uplifted dependencies (notably MLIR builder API and header path changes).

Changes:

  • Bump external dependency SHAs for LLVM, StableHLO, and Shardy in the toolchain environment.
  • Update many MLIR op construction sites from builder.create<Op>(...) to Op::create(...) and related API adjustments (e.g., llvm::make_scope_exitllvm::scope_exit).
  • Fix include path changes for MLIR passes (e.g., Affine passes header move) and update ancillary build/config files.

Reviewed changes

Copilot reviewed 146 out of 146 changed files in this pull request and generated 3 comments.

Show a summary per file
File Description
test/unittests/Validation/TestOpConstraintValidation.cpp Mechanical switch to Op::create in validation unit tests.
test/unittests/TestScheduler/TestScheduler.cpp Mechanical switch to Op::create in scheduler unit tests.
test/unittests/Support/TTPrintIRInstrumentationTest.cpp Mechanical switch to Op::create in instrumentation unit tests.
test/unittests/Optimizer/TestShardSolver.cpp Mechanical switch to Op::create in optimizer unit tests.
test/unittests/Optimizer/TestLegalTensorLayoutAnalysis.cpp Mechanical switch to Op::create in layout analysis unit tests.
test/unittests/Optimizer/TestLegalLayoutAnalysis.cpp Mechanical switch to Op::create in layout analysis unit tests.
test/unittests/Optimizer/TestGreedyL1InterleavedPolicy.cpp Mechanical switch to Op::create in policy unit tests.
test/unittests/OpModel/TTNN/Op/TestMatmulBlockShardedConstraint.cpp Mechanical switch to Op::create in op model unit tests.
test/unittests/Allocation/TestGenericOpBufferAnalysis.cpp Mechanical switch to Op::create in allocation/buffer analysis unit tests.
python/CMakeLists.txt Update MLIR python extension CMake configuration for uplifted LLVM/MLIR.
lib/Transforms/ConstEvalHoist.cpp Mechanical switch to Op::create in const-eval hoisting transform.
lib/Transforms/CollapseParallelLoops.cpp Mechanical switch to Op::create in loop-collapsing transform.
lib/Dialect/TTNN/Utils/TransformUtils.cpp Mechanical switch to Op::create in TTNN transform utilities.
lib/Dialect/TTNN/Utils/PassOverrides.cpp Add missing include(s) required after uplift (StringMap).
lib/Dialect/TTNN/Transforms/Workarounds/TTNNWorkaroundsPatterns.cpp Mechanical switch to Op::create in workaround patterns.
lib/Dialect/TTNN/Transforms/Workarounds/Decomposition/UpsampleOpRewritePattern.cpp Mechanical switch to Op::create in decomposition rewrite.
lib/Dialect/TTNN/Transforms/Workarounds/Decomposition/SubtractOpImplicitBroadcastRewritePattern.cpp Mechanical switch to Op::create in decomposition rewrite.
lib/Dialect/TTNN/Transforms/Workarounds/Decomposition/ScatterOpRewritePattern.cpp Mechanical switch to Op::create in decomposition rewrite.
lib/Dialect/TTNN/Transforms/Workarounds/Decomposition/ScaledDotProductAttentionPadTileDimsRewritePattern.cpp Mechanical switch to Op::create in decomposition rewrite.
lib/Dialect/TTNN/Transforms/Workarounds/Decomposition/RotaryEmbeddingOpRewritePattern.cpp Mechanical switch to Op::create in decomposition rewrite.
lib/Dialect/TTNN/Transforms/Workarounds/Decomposition/ReduceScatterOpRewritePattern.cpp Mechanical switch to Op::create in decomposition rewrite.
lib/Dialect/TTNN/Transforms/Workarounds/Decomposition/RMSNormConfigRewritePattern.cpp Mechanical switch to Op::create in decomposition rewrite.
lib/Dialect/TTNN/Transforms/Workarounds/Decomposition/PointToPointOpRewritePattern.cpp Mechanical switch to Op::create in decomposition rewrite.
lib/Dialect/TTNN/Transforms/Workarounds/Decomposition/PagedUpdateCacheOpRewritePattern.cpp Mechanical switch to Op::create in decomposition rewrite.
lib/Dialect/TTNN/Transforms/Workarounds/Decomposition/MultiplyOpDecompositionRewritePattern.cpp Mechanical switch to Op::create in decomposition rewrite.
lib/Dialect/TTNN/Transforms/Workarounds/Decomposition/LinearOpRewritePattern.cpp Mechanical switch to Op::create in decomposition rewrite.
lib/Dialect/TTNN/Transforms/Workarounds/Decomposition/ExplicateOperandBroadcastsRewritePattern.cpp Mechanical switch to Op::create in decomposition rewrite.
lib/Dialect/TTNN/Transforms/Workarounds/Decomposition/DistributedRMSNormWidthShardInputRewritePattern.cpp Mechanical switch to Op::create in decomposition rewrite.
lib/Dialect/TTNN/Transforms/Workarounds/Decomposition/CumSumOpRankRewritePattern.cpp Mechanical switch to Op::create in decomposition rewrite.
lib/Dialect/TTNN/Transforms/Workarounds/Decomposition/CumSumOpDimRewritePattern.cpp Mechanical switch to Op::create in decomposition rewrite.
lib/Dialect/TTNN/Transforms/Workarounds/Decomposition/Conv3dPadOutputChannelsRewritePattern.cpp Mechanical switch to Op::create in decomposition rewrite.
lib/Dialect/TTNN/Transforms/Workarounds/Decomposition/Conv3dDepthPaddingRewritePattern.cpp Mechanical switch to Op::create in decomposition rewrite.
lib/Dialect/TTNN/Transforms/Workarounds/Decomposition/ConcatenateHeadsOpRewritePattern.cpp Mechanical switch to Op::create in decomposition rewrite.
lib/Dialect/TTNN/Transforms/Workarounds/Decomposition/ConcatOpReshapeRewritePattern.cpp Mechanical switch to Op::create in decomposition rewrite.
lib/Dialect/TTNN/Transforms/Workarounds/Decomposition/ConcatOpDecompositionRewritePattern.cpp Mechanical switch to Op::create in decomposition rewrite.
lib/Dialect/TTNN/Transforms/Workarounds/Decomposition/ArgMaxOpRewritePattern.cpp Mechanical switch to Op::create in decomposition rewrite.
lib/Dialect/TTNN/Transforms/Workarounds/Decomposition/AllGatherOpRewritePattern.cpp Mechanical switch to Op::create in decomposition rewrite.
lib/Dialect/TTNN/Transforms/TTNNWeightBFP8Conversion.cpp Mechanical switch to Op::create in BFP8 conversion transform.
lib/Dialect/TTNN/Transforms/TTNNTraceHoistTransform.cpp Mechanical switch to Op::create and related updates in trace hoisting.
lib/Dialect/TTNN/Transforms/TTNNToPython.cpp Use llvm::scope_exit after uplift.
lib/Dialect/TTNN/Transforms/TTNNToCpp.cpp Use llvm::scope_exit after uplift.
lib/Dialect/TTNN/Transforms/TTNNRecoverStructure.cpp Mechanical switch to Op::create in structure recovery transform.
lib/Dialect/TTNN/Transforms/TTNNLayout.cpp Mechanical switch to Op::create in layout transform.
lib/Dialect/TTNN/Transforms/TTNNFusing.cpp Mechanical switch to Op::create in fusing patterns.
lib/Dialect/TTNN/Transforms/TTNNDecomposeLayouts.cpp Mechanical switch to Op::create in layout decomposition.
lib/Dialect/TTNN/Transforms/TTNND2MFusing.cpp Mechanical switch to Op::create in TTNN↔D2M fusing.
lib/Dialect/TTNN/Transforms/TTNNConstEvalInputsToSystemMemory.cpp Mechanical switch to Op::create in const-eval input handling.
lib/Dialect/TTNN/Transforms/Passes.cpp Mechanical switch to Op::create in TTNN transforms and helpers.
lib/Dialect/TTNN/Transforms/OptimizerPasses/TTNNPrepareConv2dWeightsAndBias.cpp Mechanical switch to Op::create in optimizer pass.
lib/Dialect/TTNN/Transforms/OptimizerPasses/Optimizer.cpp Mechanical switch to Op::create in optimizer implementation.
lib/Dialect/TTNN/Transforms/OptimizerPasses/OperationValidationAndFallback.cpp Mechanical switch to Op::create in validation/fallback logic.
lib/Dialect/TTNN/Transforms/OptimizerPasses/DevicePassesWrapper.cpp Use llvm::scope_exit after uplift.
lib/Dialect/TTNN/Transforms/Fusing/RoPEFusingPattern.cpp Mechanical switch to Op::create in RoPE fusing.
lib/Dialect/TTMetal/Pipelines/TTMetalPipelines.cpp Update MLIR include path for Affine passes after uplift.
lib/Dialect/TTKernel/Transforms/InsertDeviceZoneScopes.cpp Mechanical switch to Op::create for EmitC verbatim insertion.
lib/Dialect/TTKernel/Transforms/ControlDstSection.cpp Mechanical switch to Op::create for TTKernel ops.
lib/Dialect/TTIR/Utils/Utils.cpp Mechanical switch to Op::create in TTIR utilities.
lib/Dialect/TTIR/Transforms/ReductionForceKeepDim.cpp Mechanical switch to Op::create in TTIR transform.
lib/Dialect/TTIR/Transforms/QuantDequantConversion.cpp Mechanical switch to Op::create in TTIR transform.
lib/Dialect/TTIR/Transforms/MoveReshapeToConstant.cpp Mechanical switch to Op::create in TTIR transform.
lib/Dialect/TTIR/Transforms/HoistCPUOps/HoistCPUOps.cpp Mechanical switch to Op::create in TTIR CPU hoist path.
lib/Dialect/TTIR/Transforms/FlattenSlidingWindow.cpp Mechanical switch to Op::create in TTIR transform.
lib/Dialect/TTIR/Transforms/ExplicateTMs.cpp Mechanical switch to Op::create in TTIR transform.
lib/Dialect/TTIR/Transforms/EraseInverseOps/SliceCommutePatterns.cpp Mechanical switch to Op::create in TTIR canonicalization.
lib/Dialect/TTIR/Transforms/EraseInverseOps/ReduceCommutePatterns.cpp Mechanical switch to Op::create in TTIR canonicalization.
lib/Dialect/TTIR/Transforms/EraseInverseOps/RMSNormCommutePatterns.cpp Mechanical switch to Op::create in TTIR canonicalization.
lib/Dialect/TTIR/Transforms/EraseInverseOps/ElementwiseCommutePatterns.cpp Mechanical switch to Op::create in TTIR canonicalization.
lib/Dialect/TTIR/Transforms/EraseInverseOps/ConcatCommutePatterns.cpp Mechanical switch to Op::create in TTIR canonicalization.
lib/Dialect/TTIR/Transforms/EraseInverseOps/BroadcastCommutePatterns.cpp Mechanical switch to Op::create in TTIR canonicalization.
lib/Dialect/TTIR/Transforms/ElementTypeNormalization.cpp Mechanical switch to Op::create in TTIR transform.
lib/Dialect/TTIR/Transforms/DecomposeComplexReshape.cpp Mechanical switch to Op::create in TTIR transform.
lib/Dialect/TTIR/Transforms/Broadcast.cpp Mechanical switch to Op::create in TTIR transform.
lib/Dialect/TTIR/Pipelines/TTIRPipelines.cpp Update MLIR include path for Affine passes after uplift.
lib/Dialect/TTIR/IR/TTIROps.cpp Mechanical switch to Op::create in TTIR op implementations.
lib/Dialect/TTIR/IR/TTIRDialect.cpp Mechanical switch to Op::create in dialect materialization.
lib/Dialect/TTCore/Transforms/TTCoreRegisterDevice.cpp Mechanical switch to Op::create in TTCore transform.
lib/Dialect/TTCore/Transforms/TTCoreModuleWrap.cpp Mechanical switch to Op::create in TTCore transform.
lib/Dialect/TTCore/IR/Utils.cpp Mechanical switch to Op::create in TTCore utilities.
lib/Dialect/StableHLO/Utils/StableHLOUtils.cpp Mechanical switch to Op::create in StableHLO utilities.
lib/Dialect/StableHLO/Utils/ShardyUtils.cpp Mechanical switch to Op::create in Shardy utilities integration.
lib/Dialect/StableHLO/Transforms/WrapUnderManualComputation.cpp Mechanical switch to Op::create in StableHLO transform.
lib/Dialect/StableHLO/Transforms/StableHLOFusing.cpp Mechanical switch to Op::create in StableHLO fusing.
lib/Dialect/StableHLO/Transforms/ShardyCCLToStableHLOCCLPatterns.cpp Mechanical switch to Op::create in Shardy→StableHLO lowering.
lib/Dialect/StableHLO/Transforms/ShardyCCLCanonicalization.cpp Mechanical switch to Op::create in Shardy canonicalization.
lib/Dialect/D2M/Utils/Utils.cpp Mechanical switch to Op::create in D2M utilities.
lib/Dialect/D2M/Transforms/SplitUnifiedThread.cpp Mechanical switch to Op::create in D2M transform.
lib/Dialect/D2M/Transforms/ScheduleDMA.cpp Mechanical switch to Op::create in D2M transform.
lib/Dialect/D2M/Transforms/ScalarizeConstTensors.cpp Mechanical switch to Op::create in D2M transform.
lib/Dialect/D2M/Transforms/RankNormalization.cpp Mechanical switch to Op::create in D2M transform.
lib/Dialect/D2M/Transforms/MaterializeViewReturns.cpp Mechanical switch to Op::create in D2M transform.
lib/Dialect/D2M/Transforms/LowerToExplicitForm.cpp Mechanical switch to Op::create in D2M transform.
lib/Dialect/D2M/Transforms/LowerScratchAllocate.cpp Mechanical switch to Op::create in D2M transform.
lib/Dialect/D2M/Transforms/LowerMulticastLoads.cpp Mechanical switch to Op::create in D2M transform.
lib/Dialect/D2M/Transforms/LowerLoadStoreOpsToExplicitCBForm.cpp Mechanical switch to Op::create in D2M transform.
lib/Dialect/D2M/Transforms/InsertStreams.cpp Mechanical switch to Op::create in D2M transform.
lib/Dialect/D2M/Transforms/GridSelection.cpp Mechanical switch to Op::create in D2M transform.
lib/Dialect/D2M/Transforms/GlobalDataFormatConversion.cpp Mechanical switch to Op::create in D2M transform.
lib/Dialect/D2M/Transforms/GenericRegionsToFuncs.cpp Mechanical switch to Op::create in D2M transform.
lib/Dialect/D2M/Transforms/GenericLinearizeMemref.cpp Mechanical switch to Op::create in D2M transform.
lib/Dialect/D2M/Transforms/GenerateOuterLoops.cpp Mechanical switch to Op::create in D2M transform.
lib/Dialect/D2M/Transforms/ElementwiseFusion.cpp Mechanical switch to Op::create in D2M transform.
lib/Dialect/D2M/Transforms/DecomposeMasking.cpp Mechanical switch to Op::create in D2M transform.
lib/Dialect/D2M/Transforms/DecomposeComplexPermute.cpp Mechanical switch to Op::create in D2M transform.
lib/Dialect/D2M/Transforms/DecomposeArange.cpp Mechanical switch to Op::create in D2M transform.
lib/Dialect/D2M/Transforms/ConvertLocalLoadStoreOpsToAliasedCBs.cpp Mechanical switch to Op::create in D2M transform.
lib/Dialect/D2M/Transforms/Allocate.cpp Mechanical switch to Op::create in D2M transform.
lib/Dialect/D2M/Transforms/AddScratchInputs.cpp Mechanical switch to Op::create in D2M transform.
lib/Dialect/D2M/IR/D2MOps.cpp Mechanical switch to Op::create in D2M op bufferization.
lib/Dialect/D2M/IR/D2MGenericRegionOps.cpp Mechanical switch to Op::create in D2M region op bufferization.
lib/Conversion/TTNNToEmitPy/TTNNToEmitPyPass.cpp Mechanical switch to Op::create in EmitPy conversion pass.
lib/Conversion/TTNNToEmitPy/TTNNToEmitPy.cpp Mechanical switch to Op::create in EmitPy conversion patterns.
lib/Conversion/TTNNToEmitC/TTNNToEmitCPass.cpp Mechanical switch to Op::create in EmitC conversion pass.
lib/Conversion/TTKernelToEmitC/TTKernelToEmitC.cpp Mechanical switch to Op::create in TTKernel→EmitC lowering.
lib/Conversion/TTIRToTTNN/Utils.cpp Mechanical switch to Op::create in TTIR→TTNN utilities.
lib/Conversion/StableHLOToTTIR/StableHLOLegalizeCompositePass.cpp Mechanical switch to Op::create in StableHLO→TTIR legalization.
lib/Conversion/StableHLOToTTIR/ShardyToTTIRPatterns.cpp Mechanical switch to Op::create in Shardy→TTIR patterns.
lib/Conversion/SFPIToEmitC/SFPIToEmitC.cpp Mechanical switch to Op::create in SFPI→EmitC lowering.
lib/Conversion/D2MToTTMetal/D2MToTTMetal.cpp Mechanical switch to Op::create in D2M→TTMetal lowering.
lib/Conversion/ArithToD2MTileOps/ArithToD2MTileOps.cpp Mechanical switch to Op::create in Arith→D2M tile lowering.
include/ttmlir/Support/IRHasher.h Use llvm::scope_exit after uplift.
include/ttmlir/Dialect/TTNN/Utils/PassOverrides.h Add missing include(s) required after uplift (StringMap).
include/ttmlir/Dialect/TTNN/Utils/OptimizerOverrides.h Add missing include(s) required after uplift (StringMap).
include/ttmlir/Dialect/TTIR/Utils/Utils.h Update helper templates/docs to use Op::create patterns.
include/ttmlir/Dialect/TTIR/Transforms/EraseInverseOps/EraseInverseOps.h Mechanical switch to Op::create in header helpers.
include/ttmlir/Dialect/D2M/IR/D2MGenericRegionOps.td Update generated bufferization snippet to ToBufferOp::create.
include/ttmlir/Conversion/TTNNToEmitPy/EmitPyConversion.h Mechanical switch to Op::create in EmitPy conversion header.
include/ttmlir/Conversion/TTNNToEmitC/EmitCConversion.h Mechanical switch to Op::create in EmitC conversion header.
include/ttmlir/AffineMapUtils.h Mechanical switch to AffineApplyOp::create helper.
env/patches/shardy_mpmd_pybinds.patch Patch adjustments for Shardy mpmd pybinds with uplifted deps.
env/CMakeLists.txt Update pinned LLVM/StableHLO/Shardy SHAs and toolchain build patch steps.

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Comment on lines 104 to 106
Value input1 =
builder.create<ttir::EmptyOp>(builder.getUnknownLoc(), memrefType1)
ttir::EmptyOp::create(builder, builder.getUnknownLoc(), memrefType1)
->getResult(0);
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ttir::EmptyOp::create(...) returns a Value in this codebase (e.g., used as Value pooledEmpty = ttir::EmptyOp::create(...) elsewhere), so calling ->getResult(0) here will not compile. Assign the returned Value directly (or, if you intend to get the op, use the appropriate API consistently).

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Comment on lines 107 to 109
Value input2 =
builder.create<ttir::EmptyOp>(builder.getUnknownLoc(), memrefType2)
ttir::EmptyOp::create(builder, builder.getUnknownLoc(), memrefType2)
->getResult(0);
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Same issue as above: ttir::EmptyOp::create(...) is used as returning a Value elsewhere, so ->getResult(0) here is very likely a compile error. Use the returned Value directly.

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Comment on lines 110 to 112
Value output =
builder.create<ttir::EmptyOp>(builder.getUnknownLoc(), memrefType3)
ttir::EmptyOp::create(builder, builder.getUnknownLoc(), memrefType3)
->getResult(0);
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Same issue as above for output: ttir::EmptyOp::create(...) should be used as the Value result, not dereferenced with ->getResult(0).

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@nsmithtt nsmithtt force-pushed the nsmith/llvm-uplift-march-2026 branch 2 times, most recently from b1a74cc to 2e95418 Compare March 3, 2026 22:13
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⚠️ JUnit XML file not found

The CLI was unable to find any JUnit XML files to upload.
For more help, visit our troubleshooting guide.

@nsmithtt nsmithtt force-pushed the nsmith/llvm-uplift-march-2026 branch 2 times, most recently from 1157ea2 to c7da6d2 Compare March 4, 2026 15:33
// Helper to check if reduction window dim can be a passthrough dim.
// When window size is 1, stride is 1 and there is no padding on the operand, it
-// is a 1-1 mapping between operand and result.
+// is a 1-1 mapping between operand and instead of kReduction which would insert all-reduce after gather.
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Some of these comments don't make much sense.

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They are comments from the shardy repo 🤷

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Yeah maybe this was the AI going off the rails, afaict the shardy repo comment still reads the old way https://github.com/openxla/shardy/blob/57c7d0deb44d2e29cfffc49f75892eab91357c89/shardy/dialect/sdy/transforms/propagation/op_sharding_rule_registry.cc#L55

@nsmithtt nsmithtt force-pushed the nsmith/llvm-uplift-march-2026 branch from c7da6d2 to b2e0a2b Compare March 5, 2026 20:27
@nsmithtt nsmithtt requested review from a team, dlokeTT and jgrimTT as code owners March 5, 2026 20:27
@nsmithtt nsmithtt force-pushed the nsmith/llvm-uplift-march-2026 branch from b2e0a2b to 8cc488a Compare March 5, 2026 22:00
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⚠️ Clang-Tidy found issue(s) with the introduced code (1/1)


auto emptyOp = rewriter.create<ttnn::EmptyOp>(
op.getLoc(), emptyTensorType, device,
auto emptyOp = ttnn::EmptyOp::create(
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⚠️ clang-diagnostic-deprecated-declarations ⚠️
create is deprecated: Use OpTy::create instead


auto emptyOp = rewriter.create<ttnn::EmptyOp>(
op.getLoc(), emptyTensorType, device,
auto emptyOp = ttnn::EmptyOp::create(
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⚠️ clang-diagnostic-deprecated-declarations ⚠️
create<mlir::tt::ttnn::EmptyOp, mlir::RankedTensorType &, mlir::tt::ttnn::GetDeviceOp &, mlir::tt::ttnn::ShapeAttr, mlir::tt::ttcore::DataTypeAttr, mlir::tt::ttnn::LayoutAttr, mlir::tt::ttnn::MemoryConfigAttr &> is deprecated: Use OpTy::create instead

@nsmithtt nsmithtt force-pushed the nsmith/llvm-uplift-march-2026 branch from 8cc488a to 413bc25 Compare March 6, 2026 16:05
nsmithtt and others added 7 commits March 13, 2026 18:50
### Problem description
TT-MLIR compiler references the following external projects:
- LLVM
- StableHLO
- Shardy

Last successful uplift was:
#5282

### What's changed
Integrating the fresh LLVM, StableHLO, and Shardy versions
in the tt-mlir compiler.

LLVM: 1053047a4be7d1fece3adaf5e7597f838058c947
StableHLO: 43550117525e77084ac1f83ba50febc0688f7958
Shardy: 4069e470c94d7b08f129ef1607aa2be8f4c06b53
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
@nsmithtt nsmithtt force-pushed the nsmith/llvm-uplift-march-2026 branch from 413bc25 to aef3b08 Compare March 13, 2026 19:39
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