[all-commits] [llvm/llvm-project] a85f58: [AArch64] Remove SETCC of CSEL when the latter's c...

[Bradley Smith via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a85f5874e2a4d4bad8c53d277e9df183122793ae
      https://github.com/llvm/llvm-project/commit/a85f5874e2a4d4bad8c53d277e9df183122793ae
  Author: Bradley Smith <bradley.smith at arm.com>
  Date:   2021-06-04 (Fri, 04 Jun 2021)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    M llvm/test/CodeGen/AArch64/sve-setcc.ll

  Log Message:
  -----------
  [AArch64] Remove SETCC of CSEL when the latter's condition can be inverted

  setcc (csel 0, 1, cond, X), 1, ne ==> csel 0, 1, !cond, X

Where X is a condition code setting instruction.

Co-authored-by: Paul Walker <paul.walker at arm.com>

Differential Revision: https://reviews.llvm.org/D103256