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[PATCH GCC][02/13]Skip distribution if there is no loop

From: Bin Cheng <Bin dot Cheng at arm dot com>
To: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
Cc: nd <nd at arm dot com>
Date: Mon, 12 Jun 2017 17:02:29 +0000
Subject: [PATCH GCC][02/13]Skip distribution if there is no loop
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Hi,
this is a simple patch skipping distribution if there is no loop at all.

Bootstrap and test on x86_64 and AArch64.  Is it OK?

Thanks,
bin

2017-06-07  Bin Cheng  <bin.cheng@arm.com>

	* cfgloop.h (pass_loop_distribution::execute): Skip if no loops.

Attachment: 0002-fast-return-20170607.txt
Description: 0002-fast-return-20170607.txt

Follow-Ups:
- Re: [PATCH GCC][02/13]Skip distribution if there is no loop
  - From: Richard Biener
- Re: [PATCH GCC][02/13]Skip distribution if there is no loop
  - From: Jeff Law

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