[all-commits] [llvm/llvm-project] 48e54f: [CostModel] Mark all TTIImpls as final. NFC (#143404)

[David Green via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 48e54f3a225062b5d229e6fd3b06140f76c0613b
      https://github.com/llvm/llvm-project/commit/48e54f3a225062b5d229e6fd3b06140f76c0613b
  Author: David Green <david.green at arm.com>
  Date:   2025-06-15 (Sun, 15 Jun 2025)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64TargetTransformInfo.h
    M llvm/lib/Target/ARC/ARCTargetTransformInfo.h
    M llvm/lib/Target/ARM/ARMTargetTransformInfo.h
    M llvm/lib/Target/BPF/BPFTargetTransformInfo.h
    M llvm/lib/Target/DirectX/DirectXTargetTransformInfo.h
    M llvm/lib/Target/Hexagon/HexagonTargetTransformInfo.h
    M llvm/lib/Target/Lanai/LanaiTargetTransformInfo.h
    M llvm/lib/Target/Mips/MipsTargetTransformInfo.h
    M llvm/lib/Target/NVPTX/NVPTXTargetTransformInfo.h
    M llvm/lib/Target/PowerPC/PPCTargetTransformInfo.h
    M llvm/lib/Target/RISCV/RISCVTargetTransformInfo.h
    M llvm/lib/Target/SPIRV/SPIRVTargetTransformInfo.h
    M llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.h
    M llvm/lib/Target/VE/VETargetTransformInfo.h
    M llvm/lib/Target/X86/X86TargetTransformInfo.h
    M llvm/lib/Target/XCore/XCoreTargetTransformInfo.h

  Log Message:
  -----------
  [CostModel] Mark all TTIImpls as final. NFC (#143404)

In the AArch64 version this helps reduce the number of blr instruction
(indirect jumps) in from 325 to 87, and reduces the size of the object
file by 4%. It seems to help make the code more efficient even if it
doesn't greatly affect compile time.

The AMDGPU variants are already marked as final.



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