[all-commits] [llvm/llvm-project] f40c69: [TTI] Use MemIntrinsicCostAttributes for getExpand...

Shih-Po Hung via All-commits all-commits at lists.llvm.org
Thu Nov 27 20:19:44 PST 2025


  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f40c69471331e18176c01d08161f2e51ab7367cb
      https://github.com/llvm/llvm-project/commit/f40c69471331e18176c01d08161f2e51ab7367cb
  Author: Shih-Po Hung <shihpo.hung at sifive.com>
  Date:   2025-11-28 (Fri, 28 Nov 2025)

  Changed paths:
    M llvm/include/llvm/Analysis/TargetTransformInfo.h
    M llvm/include/llvm/Analysis/TargetTransformInfoImpl.h
    M llvm/include/llvm/CodeGen/BasicTTIImpl.h
    M llvm/lib/Analysis/TargetTransformInfo.cpp
    M llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
    M llvm/lib/Target/RISCV/RISCVTargetTransformInfo.h

  Log Message:
  -----------
  [TTI] Use MemIntrinsicCostAttributes for getExpandCompressMemoryOpCost (#168677)

- Following #168029. This is a step toward a unified interface for
masked/gather-scatter/strided/expand-compress cost modeling.
- Replace the ad-hoc parameter list with a single attributes object.

API change:
```
- InstructionCost getExpandCompressMemoryOpCost(Opcode, DataTy,
-                                               VariableMask, Alignment,
-                                               CostKind, Inst);

+ InstructionCost getExpandCompressMemoryOpCost(MemIntrinsicCostAttributes,
+                                               CostKind);
```

Notes:
- NFCI intended: callers populate MemIntrinsicCostAttributes with same
information as before.



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