[Bug tree-optimization/19633] local address incorrectly thought to escape

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-01-27 
04:45 -------
Subject: Bug 19633


CVSROOT:        /cvs/gcc
Module name:    gcc
Changes by:     [EMAIL PROTECTED]       2005-01-27 04:45:20

Modified files:
        gcc            : ChangeLog tree-outof-ssa.c tree-ssa-alias.c 
        gcc/testsuite  : ChangeLog 
Added files:
        gcc/testsuite/gcc.dg: pr19633.c 
        gcc/testsuite/gcc.dg/tree-ssa: pr19633.c 

Log message:
        PR tree-optimization/19633
        * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
        CALL_EXPRs.
        (maybe_create_global_var): Do not create .GLOBAL_VAR if there
        are no call-clobbered variables.
        * tree-outof-ssa.c (check_replaceable): Return false for calls
        with side-effects.
        
        testsuite/ChangeLog
        
        PR tree-optimization/19633
        * gcc.dg/pr19633.c: New test.
        * gcc.dg/tree-ssa/pr19633.c: New test.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.7297&r2=2.7298
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-outof-ssa.c.diff?cvsroot=gcc&r1=2.41&r2=2.42
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-alias.c.diff?cvsroot=gcc&r1=2.66&r2=2.67
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.4940&r2=1.4941
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/pr19633.c.diff?cvsroot=gcc&r1=NONE&r2=1.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/tree-ssa/pr19633.c.diff?cvsroot=gcc&r1=NONE&r2=1.1



-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19633

[Bug tree-optimization/19633] local address incorrectly thought to escape

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