* tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
	Update all users.
	* tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
	Update all users.
	(TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
	Update all users.
	* tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
	Update all users.
	* tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
	to 'symbol_mem_tag'.
	Update all users.
	* doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
	rename.

From-SVN: r111617