[all-commits] [llvm/llvm-project] 2feddb: Implement correct cost for SVE bitcasts

[alban-bridonneau-arm via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2feddb37b48ea55f0d586d2710b9bc17f607e3e1
      https://github.com/llvm/llvm-project/commit/2feddb37b48ea55f0d586d2710b9bc17f607e3e1
  Author: Alban Bridonneau <alban.bridonneau at arm.com>
  Date:   2022-01-26 (Wed, 26 Jan 2022)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
    M llvm/test/Analysis/CostModel/AArch64/sve-bitcast.ll

  Log Message:
  -----------
  Implement correct cost for SVE bitcasts

We have some bitcasts which we know will be simplified,
so their cost is zero.

Reviewed By: david-arm, sdesmalen

Differential Revision: https://reviews.llvm.org/D118019