[all-commits] [llvm/llvm-project] 61b8af: [ARM] Allow fma in tail predicated loops

[David Green via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 61b8af0375d787dbbe6ae61902c06becf777abeb
      https://github.com/llvm/llvm-project/commit/61b8af0375d787dbbe6ae61902c06becf777abeb
  Author: David Green <david.green at arm.com>
  Date:   2020-04-27 (Mon, 27 Apr 2020)

  Changed paths:
    M llvm/lib/Target/ARM/MVETailPredication.cpp
    M llvm/test/CodeGen/Thumb2/mve-fma-loops.ll

  Log Message:
  -----------
  [ARM] Allow fma in tail predicated loops

There are some intrinsics like this that currently block tail
predication, but should be fine. This allows fma through, as the one
that I ran into. There may be others that need the same treatment but
I've only done this one here.

Differential Revision: https://reviews.llvm.org/D78385