[Bug tree-optimization/23048] [4.1 Regression] ICE in get_loop_body with -O1 -ftree-vectorize on 4.1.x

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-08-19 17:54 -------
Subject: Bug 23048

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	dpatel@gcc.gnu.org	2005-08-19 17:54:16

Modified files:
	gcc            : ChangeLog tree-if-conv.c 
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/gcc.dg/tree-ssa: pr23048.c 

Log message:
	PR tree-optimization/23048
	* tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
	third parameter. Check whether latch is dominated by exit
	block or not.
	(if_convertible_loop_p): Supply exit block itself to
	if_convertible_bb_p.
	
	* gcc.dg/tree-ssa/pr23048.c: New test.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.9781&r2=2.9782
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-if-conv.c.diff?cvsroot=gcc&r1=2.45&r2=2.46
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.5937&r2=1.5938
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/tree-ssa/pr23048.c.diff?cvsroot=gcc&r1=NONE&r2=1.1



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23048