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Re: [PATCH] Fix PR tree-opt/28937


Andrew Pinski wrote on 09/04/06 21:03:

> 	* tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
> 	(canonicalize_induction_variables): Likewise.
> 	(tree_unroll_loops_completely): Likewise.
> 	(tree_ssa_prefetch_arrays): Likewise.
> 	(remove_empty_loops): Likewise.
> 	* tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
> 	TODO_cleanup_cfg instead of directly calling
> 	cleanup_tree_cfg_loop.
> 	* tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
> 	Likewise.
> 	(tree_unroll_loops_completely): Likewise.
> 	(remove_empty_loops): Likewise.
> 	* tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
> 	* tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
> 	of tree_ssa_unswitch_loops.
> 	(tree_ssa_loop_ivcanon): Use the return value of
> 	canonicalize_induction_variables.
> 	(tree_ssa_empty_loop): Use the return value of
> 	remove_empty_loops.
> 	(tree_complete_unroll): Use the return value of
> 	tree_unroll_loops_completely.
> 	(tree_ssa_loop_prefetch): Use the return value of
> 	tree_ssa_prefetch_arrays.
> 	* passes.c (execute_todo): Before Cleanup CFG, set
> 	updating_used_alone and after cleanup CFG, call
> 	recalculate_used_alone.
> 
> testsuite/ChangeLog:
> 
> 	* g++.dg/opt/unroll2.C: New test.
> 	
OK.


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