[PATCH] D97299: [IR][SVE] Add new llvm.experimental.stepvector intrinsic

[David Sherwood via Phabricator via llvm-commits]

david-arm updated this revision to Diff 330233.
david-arm added a comment.

- Changed interface SelectionDAG::getStepVector to take a SDValue for the Step and to support fixed width vectors.
- Use getPromotedVTForPredicate in lowering code for STEP_VECTOR operating on i1 vectors.
- In SplitVecRes_STEP_VECTOR folded the multiply into the getVScale call.
- Addressed other review comments.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D97299/new/

https://reviews.llvm.org/D97299

Files:
  llvm/docs/LangRef.rst
  llvm/include/llvm/CodeGen/BasicTTIImpl.h
  llvm/include/llvm/CodeGen/ISDOpcodes.h
  llvm/include/llvm/CodeGen/SelectionDAG.h
  llvm/include/llvm/IR/IRBuilder.h
  llvm/include/llvm/IR/Intrinsics.td
  llvm/include/llvm/Target/TargetSelectionDAG.td
  llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
  llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h
  llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
  llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
  llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
  llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
  llvm/lib/CodeGen/SelectionDAG/SelectionDAGDumper.cpp
  llvm/lib/IR/IRBuilder.cpp
  llvm/lib/IR/Verifier.cpp
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/lib/Target/AArch64/AArch64ISelLowering.h
  llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
  llvm/test/Analysis/CostModel/AArch64/neon-stepvector.ll
  llvm/test/Analysis/CostModel/AArch64/sve-stepvector.ll
  llvm/test/CodeGen/AArch64/neon-stepvector.ll
  llvm/test/CodeGen/AArch64/sve-stepvector.ll
  llvm/unittests/CodeGen/AArch64SelectionDAGTest.cpp
  llvm/unittests/IR/IRBuilderTest.cpp

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