[all-commits] [llvm/llvm-project] 8fc7e6: [AArch64][SVE] Refine node definitions for ff & nf...

[Andrzej Warzyński via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 8fc7e6dcd837b99a40d937de3602130dd8915a6d
      https://github.com/llvm/llvm-project/commit/8fc7e6dcd837b99a40d937de3602130dd8915a6d
  Author: Andrzej Warzynski <andrzej.warzynski at arm.com>
  Date:   2020-04-14 (Tue, 14 Apr 2020)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td

  Log Message:
  -----------
  [AArch64][SVE] Refine node definitions for ff & nf loads/stores (NFC)

Summary:
Only first-faulting and non-faulting loads read/update the FFR register
and hence only the corresponding SDNodes should be decorated with
`SDNPOptInGlue` and `SDNPOutGlue`. This patch:
  * removes SDNPOptInGlue from regular loads stores (FFR is not read)
  * adds SDNPOutGlue to first-faulting and non-faulting loads (FFR is
    both read and updated)

Differential Revision: https://reviews.llvm.org/D77724