Evgeny Stupachenko 21bef2cb3c The patch turns on epilogue unroll for loops with constant recurency start. ...

Summary:

Set unroll remainder to epilog if a loop contains a phi with constant parameter:

  loop:
  pn = phi [Const, PreHeader], [pn.next, Latch]
  ...

Reviewer: hfinkel

Differential Revision: http://reviews.llvm.org/D27004

From: Evgeny Stupachenko <evstupac@gmail.com>
llvm-svn: 296770

2017-03-02 17:38:46 +00:00

1.8 KiB

Raw Blame History

View Raw