public inbox for gcc-cvs@sourceware.org
help / color / mirror / Atom feed
From: Jan Hubicka <hubicka@gcc.gnu.org>
To: gcc-cvs@gcc.gnu.org
Subject: [gcc r12-2988] Add EAF_NOREAD check to tree-ssa-uninit
Date: Wed, 18 Aug 2021 11:26:57 +0000 (GMT)	[thread overview]
Message-ID: <20210818112657.7AAEA3857425@sourceware.org> (raw)

https://gcc.gnu.org/g:e12946df34c997e96c3bc7eb5a0247e889ddb7ea

commit r12-2988-ge12946df34c997e96c3bc7eb5a0247e889ddb7ea
Author: Jan Hubicka <jh@suse.cz>
Date:   Wed Aug 18 13:25:28 2021 +0200

    Add EAF_NOREAD check to tree-ssa-uninit
    
    gcc/ChangeLog:
    
    2021-08-18  Jan Hubicka  <hubicka@ucw.cz>
    
            * tree-ssa-uninit.c (maybe_warn_pass_by_reference): Check also
            EAF_NOREAD.

Diff:
---
 gcc/tree-ssa-uninit.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/tree-ssa-uninit.c b/gcc/tree-ssa-uninit.c
index d5cdffbae8b..ad2cf48819b 100644
--- a/gcc/tree-ssa-uninit.c
+++ b/gcc/tree-ssa-uninit.c
@@ -712,7 +712,7 @@ maybe_warn_pass_by_reference (gcall *stmt, wlimits &wlims)
 	wlims.always_executed = false;
 
       /* Ignore args we are not going to read from.  */
-      if (gimple_call_arg_flags (stmt, argno - 1) & EAF_UNUSED)
+      if (gimple_call_arg_flags (stmt, argno - 1) & (EAF_UNUSED | EAF_NOREAD))
 	continue;
 
       tree arg = gimple_call_arg (stmt, argno - 1);


                 reply	other threads:[~2021-08-18 11:26 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210818112657.7AAEA3857425@sourceware.org \
    --to=hubicka@gcc.gnu.org \
    --cc=gcc-cvs@gcc.gnu.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).