[Bug tree-optimization/52969] [4.7/4.8 Regression] ICE in in get_expr_operands, at tree-ssa-operands.c:1035 with -ftree-loop-if-convert-stores

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52969

--- Comment #9 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-04-13 
12:27:11 UTC ---
Author: rguenth
Date: Fri Apr 13 12:27:02 2012
New Revision: 186417

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=186417
Log:
2012-04-13  Richard Guenther  <rguent...@suse.de>

    PR tree-optimization/52969
    * tree-if-conv.c (predicate_mem_writes): Properly gimplify
    the condition for the COND_EXPR and handle predicate negation
    by swapping the COND_EXPR arms.

    * gcc.dg/torture/pr52969.c: New testcase.

Added:
    branches/gcc-4_7-branch/gcc/testsuite/gcc.dg/torture/pr52969.c
Modified:
    branches/gcc-4_7-branch/gcc/ChangeLog
    branches/gcc-4_7-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_7-branch/gcc/tree-if-conv.c