[all-commits] [llvm/llvm-project] c2409b: [TTI] Remove masked/gather-scatter/strided/expand-...

[Shih-Po Hung via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: c2409b4bcaca6662f86f7c9956f27413a7aecf0e
      https://github.com/llvm/llvm-project/commit/c2409b4bcaca6662f86f7c9956f27413a7aecf0e
  Author: Shih-Po Hung <shihpo.hung at sifive.com>
  Date:   2025-12-04 (Thu, 04 Dec 2025)

  Changed paths:
    M llvm/include/llvm/Analysis/TargetTransformInfoImpl.h
    M llvm/include/llvm/CodeGen/BasicTTIImpl.h
    M llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
    M llvm/lib/Target/AArch64/AArch64TargetTransformInfo.h
    M llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp
    M llvm/lib/Target/ARM/ARMTargetTransformInfo.h
    M llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
    M llvm/lib/Target/RISCV/RISCVTargetTransformInfo.h
    M llvm/lib/Target/X86/X86TargetTransformInfo.cpp
    M llvm/lib/Target/X86/X86TargetTransformInfo.h

  Log Message:
  -----------
  [TTI] Remove masked/gather-scatter/strided/expand-compress costing from TTIImpl (#169885)

Following #165532, this patch moves scalarization‑cost computation into
BaseT::getMemIntrinsicCost and lets backends override it via their
getMemIntrinsicCost.
It also removes the masked/gather‑scatter/strided/expand‑compress
costing interfaces from TTIImpl.
Targets may keep them locally if needed.

Stacked on #170426 and #170436.



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