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From: Jiu Fu Guo <guojiufu@gcc.gnu.org>
To: gcc-cvs@gcc.gnu.org
Subject: [gcc(refs/users/guojiufu/heads/personal-branch)] without number_of_iterations_exit
Date: Thu, 20 May 2021 06:28:27 +0000 (GMT)	[thread overview]
Message-ID: <20210520062827.9ACC63848019@sourceware.org> (raw)

https://gcc.gnu.org/g:a18882b0f0764d2adb6878cbfeb1f8b684984850

commit a18882b0f0764d2adb6878cbfeb1f8b684984850
Author: Jiufu Guo <guojiufu@linux.ibm.com>
Date:   Fri May 14 23:23:45 2021 +0800

    without number_of_iterations_exit

Diff:
---
 gcc/tree-ssa-loop-split.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/gcc/tree-ssa-loop-split.c b/gcc/tree-ssa-loop-split.c
index 11d3582dd3d..425593ca70f 100644
--- a/gcc/tree-ssa-loop-split.c
+++ b/gcc/tree-ssa-loop-split.c
@@ -1666,13 +1666,6 @@ get_ne_cond_branch (struct loop *loop)
       if (TREE_CODE (iv.base) == INTEGER_CST)
 	continue;
 
-      /* If no overflow/wrap happen, no need to split.  */
-      class tree_niter_desc niter;
-      if (!number_of_iterations_exit (loop, e, &niter, false, false, NULL))
-	continue;
-      if (niter.control.no_overflow)
-	return NULL;
-
       /* Check loop is simple to split.  */
       gcc_assert (bb != loop->latch);


             reply	other threads:[~2021-05-20  6:28 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-20  6:28 Jiu Fu Guo [this message]
2021-05-31  5:56 Jiu Fu Guo

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