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r144381 - in /trunk/gcc: ChangeLog dbxout.c dwa...


Author: hubicka
Date: Mon Feb 23 13:10:53 2009
New Revision: 144381

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=144381
Log:
	PR tree-optimization/37709                                              
	* tree.c (block_ultimate_origin): Move here from dwarf2out.             
	* tree.h (block_ultimate_origin): Declare.                              
	* dwarf2out.c (block_ultimate_origin): Move to tree.c                   
	* tree-ssa-live.c (remove_unused_scope_block_p):
	Eliminate blocks containig no instructions nor live variables nor
	nested blocks.
	(dump_scope_block): New function.
	(remove_unused_locals): Enable removal of dead blocks by default;
	enable dumping at TDF_DETAILS.                                          

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/dbxout.c
    trunk/gcc/dwarf2out.c
    trunk/gcc/tree-ssa-live.c
    trunk/gcc/tree.c
    trunk/gcc/tree.h


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