[Bug tree-optimization/26969] [4.1 Regression] ICE with -O1 -funswitch-loops -ftree-vectorize

[irar at gcc dot gnu dot org]

------- Comment #16 from irar at gcc dot gnu dot org  2006-10-19 11:18 -------
Subject: Bug 26969

Author: irar
Date: Thu Oct 19 11:18:25 2006
New Revision: 117883

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=117883
Log:
        Backport from mainline:
        2006-08-07  Victor Kaplansky <[EMAIL PROTECTED]>

        PR tree-optimization/26969
        * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
        with an empty list of PHIs.


Added:
    branches/gcc-4_1-branch/gcc/testsuite/gcc.dg/vect/unswitch-loops-pr26969.c
Modified:
    branches/gcc-4_1-branch/gcc/ChangeLog
    branches/gcc-4_1-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_1-branch/gcc/testsuite/gcc.dg/vect/vect.exp
    branches/gcc-4_1-branch/gcc/tree-vect-analyze.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26969