[all-commits] [llvm/llvm-project] a48233: [ARM] Add basic masked load/store costs

[David Green via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: a4823377fd2f216f7556bf8e60379ca7c5722b57
      https://github.com/llvm/llvm-project/commit/a4823377fd2f216f7556bf8e60379ca7c5722b57
  Author: David Green <david.green at arm.com>
  Date:   2020-12-12 (Sat, 12 Dec 2020)

  Changed paths:
    M llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp
    M llvm/lib/Target/ARM/ARMTargetTransformInfo.h
    M llvm/test/Analysis/CostModel/ARM/cast_ldst.ll

  Log Message:
  -----------
  [ARM] Add basic masked load/store costs

This adds some basic MVE masked load/store costs, notably changing the
cost of legal loads/stores to the MVECostFactor and the cost of
scalarized instructions to 8*NumElts.

Differential Revision: https://reviews.llvm.org/D86538