public inbox for gcc-cvs@sourceware.org
help / color / mirror / Atom feed
From: Alexandre Oliva <aoliva@gcc.gnu.org>
To: gcc-cvs@gcc.gnu.org
Subject: [gcc(refs/users/aoliva/heads/testme)] tree-inline decl_map: skip mapping result's NULL default def
Date: Fri, 23 Dec 2022 07:31:32 +0000 (GMT)	[thread overview]
Message-ID: <20221223073132.B2787385B504@sourceware.org> (raw)

https://gcc.gnu.org/g:2b2620f36a1400d50ad70823c4822e532cf2c0cf

commit 2b2620f36a1400d50ad70823c4822e532cf2c0cf
Author: Alexandre Oliva <oliva@gnu.org>
Date:   Thu Dec 22 21:45:48 2022 -0300

    tree-inline decl_map: skip mapping result's NULL default def

Diff:
---
 gcc/tree-inline.cc | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/gcc/tree-inline.cc b/gcc/tree-inline.cc
index bfea1cc1182..4556256dc32 100644
--- a/gcc/tree-inline.cc
+++ b/gcc/tree-inline.cc
@@ -3851,10 +3851,11 @@ declare_return_variable (copy_body_data *id, tree return_slot, tree modify_dest,
 	 it's default_def SSA_NAME.  */
       if (gimple_in_ssa_p (id->src_cfun)
 	  && is_gimple_reg (result))
-	{
-	  temp = make_ssa_name (temp);
-	  insert_decl_map (id, ssa_default_def (id->src_cfun, result), temp);
-	}
+	if (tree default_def = ssa_default_def (id->src_cfun, result))
+	  {
+	    temp = make_ssa_name (temp);
+	    insert_decl_map (id, default_def, temp);
+	  }
       insert_init_stmt (id, entry_bb, gimple_build_assign (temp, var));
     }
   else

             reply	other threads:[~2022-12-23  7:31 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-23  7:31 Alexandre Oliva [this message]
  -- strict thread matches above, loose matches on Subject: below --
2022-12-28  5:23 Alexandre Oliva
2022-12-23  5:27 Alexandre Oliva
2022-12-23  0:58 Alexandre Oliva

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=20221223073132.B2787385B504@sourceware.org \
    --to=aoliva@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).