[all-commits] [llvm/llvm-project] 448d47: [AArch64][SVE] Implement all-inactive predicate wi...

[sdesmalen-arm via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 448d47f7438e5ca4a5cd4a77e5e78cd62333e487
      https://github.com/llvm/llvm-project/commit/448d47f7438e5ca4a5cd4a77e5e78cd62333e487
  Author: Sander de Smalen <sander.desmalen at arm.com>
  Date:   2021-09-07 (Tue, 07 Sep 2021)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    M llvm/test/CodeGen/AArch64/sve-intrinsics-int-compares-with-imm.ll
    M llvm/test/CodeGen/AArch64/sve-zeroinit.ll

  Log Message:
  -----------
  [AArch64][SVE] Implement all-inactive predicate with PFALSE.

Instead of using a WHILE XZR, XZR instruction, just emit a PFALSE.

Reviewed By: david-arm

Differential Revision: https://reviews.llvm.org/D109311