gcc/gcc ChangeLog Makefile.in tree-ssa-forwpro ...

[law@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	law@gcc.gnu.org	2005-05-17 16:28:08

Modified files:
	gcc            : ChangeLog Makefile.in tree-ssa-forwprop.c 
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/g++.dg/tree-ssa: pr14814.C 
	gcc/testsuite/gcc.dg/tree-ssa: pr14814.c pr17141-1.c pr17141-2.c 

Log message:
	* Makefile.in (tree-ssa-forwprop.o): Depend on langhooks.h.
	* tree-ssa-forwprop.c: Include langhooks.h.
	(forward_propagate_addr_expr_into_variable_array_index): New.
	(forward_propagate_addr_expr): New.
	(tree_ssa_forward_propagate_single_use_vars): Loop over all
	the statements in the block instead of just the last statement.
	Call forward_propagate_addr_expr as needed.
	(pass_forwprop): Update the SSA graph after forward propagation is
	complete.
	
	* g++.dg/tree-ssa/pr18414.C: New test.
	* gcc.dg/tree-ssa/pr18414.C: New test.
	* gcc.dg/tree-ssa/pr17141-1.C: New test.
	* gcc.dg/tree-ssa/pr17141-2.C: New test.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.8823&r2=2.8824
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/Makefile.in.diff?cvsroot=gcc&r1=1.1486&r2=1.1487
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-forwprop.c.diff?cvsroot=gcc&r1=2.15&r2=2.16
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.5485&r2=1.5486
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g++.dg/tree-ssa/pr14814.C.diff?cvsroot=gcc&r1=NONE&r2=1.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/tree-ssa/pr14814.c.diff?cvsroot=gcc&r1=NONE&r2=1.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/tree-ssa/pr17141-1.c.diff?cvsroot=gcc&r1=NONE&r2=1.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/tree-ssa/pr17141-2.c.diff?cvsroot=gcc&r1=NONE&r2=1.1