/* { dg-do compile } */
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/* { dg-do compile } */
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/* { dg-options "-O2 -fdump-tree-pre-stats" } */
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/* { dg-options "-O2 -fdump-tree-pre-stats" } */
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typedef union tree_node *tree;
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typedef union tree_node *tree;
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struct tree_common
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struct tree_common
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{
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{
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tree chain;
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tree chain;
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}
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}
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VEC_constructor_elt_base;
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VEC_constructor_elt_base;
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struct tree_ssa_name
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struct tree_ssa_name
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{
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{
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tree var;
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tree var;
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};
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};
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union tree_node
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union tree_node
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{
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{
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struct tree_common common;
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struct tree_common common;
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struct tree_ssa_name ssa_name;
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struct tree_ssa_name ssa_name;
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};
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};
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struct edge_def
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struct edge_def
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{
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{
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struct basic_block_def *dest;
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struct basic_block_def *dest;
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};
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};
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typedef struct edge_def *edge;
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typedef struct edge_def *edge;
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typedef struct VEC_edge_base
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typedef struct VEC_edge_base
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{
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{
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}
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}
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VEC_edge_base;
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VEC_edge_base;
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__attribute__ ((noinline)) static edge
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__attribute__ ((noinline)) static edge
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VEC_edge_base_index (const VEC_edge_base * vec_, unsigned ix_)
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VEC_edge_base_index (const VEC_edge_base * vec_, unsigned ix_)
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{
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{
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}
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}
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typedef struct VEC_edge_gc
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typedef struct VEC_edge_gc
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{
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{
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VEC_edge_base base;
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VEC_edge_base base;
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}
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}
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VEC_edge_gc;
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VEC_edge_gc;
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struct basic_block_def
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struct basic_block_def
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{
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{
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VEC_edge_gc *succs;
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VEC_edge_gc *succs;
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};
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};
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typedef struct basic_block_def *basic_block;
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typedef struct basic_block_def *basic_block;
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typedef struct
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typedef struct
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{
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{
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unsigned index;
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unsigned index;
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VEC_edge_gc **container;
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VEC_edge_gc **container;
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}
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}
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edge_iterator;
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edge_iterator;
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__inline__ VEC_edge_gc *
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__inline__ VEC_edge_gc *
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ei_container (edge_iterator i)
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ei_container (edge_iterator i)
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{
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{
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return *i.container;
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return *i.container;
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}
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}
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__inline__ edge_iterator
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__inline__ edge_iterator
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ei_start_1 (VEC_edge_gc ** ev)
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ei_start_1 (VEC_edge_gc ** ev)
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{
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{
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edge_iterator i;
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edge_iterator i;
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i.container = ev;
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i.container = ev;
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return i;
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return i;
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}
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}
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__attribute__ ((noinline)) static ei_next (edge_iterator * i)
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__attribute__ ((noinline)) static ei_next (edge_iterator * i)
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{
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{
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}
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}
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static __inline__ edge
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static __inline__ edge
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ei_edge (edge_iterator i)
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ei_edge (edge_iterator i)
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{
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{
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return (edge) (VEC_edge_base_index ((((ei_container (i))) ? &((ei_container (i)))->base : 0), (i.index)));
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return (edge) (VEC_edge_base_index ((((ei_container (i))) ? &((ei_container (i)))->base : 0), (i.index)));
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}
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}
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static __inline__ unsigned char
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static __inline__ unsigned char
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ei_cond (edge_iterator ei, edge * p)
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ei_cond (edge_iterator ei, edge * p)
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{
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{
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*p = ei_edge (ei);
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*p = ei_edge (ei);
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}
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}
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typedef tree *def_operand_p;
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typedef tree *def_operand_p;
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extern tree *get_phi_result_ptr (tree);
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extern tree *get_phi_result_ptr (tree);
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static __inline__ tree
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static __inline__ tree
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get_def_from_ptr (def_operand_p def)
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get_def_from_ptr (def_operand_p def)
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{
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{
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}
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}
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__attribute__ ((noinline)) static tree
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__attribute__ ((noinline)) static tree
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phi_nodes (basic_block bb)
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phi_nodes (basic_block bb)
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{
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{
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}
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}
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|
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/* We can eliminate a load of the SRA'd variable edge_iterator.container */
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/* We can eliminate a load of the SRA'd variable edge_iterator.container */
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rewrite_add_phi_arguments (basic_block bb)
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rewrite_add_phi_arguments (basic_block bb)
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{
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{
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edge e;
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edge e;
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edge_iterator ei;
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edge_iterator ei;
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for ((ei) = ei_start_1 (&((bb->succs))); ei_cond ((ei), &(e));
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for ((ei) = ei_start_1 (&((bb->succs))); ei_cond ((ei), &(e));
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ei_next (&(ei)))
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ei_next (&(ei)))
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{
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{
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tree phi;
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tree phi;
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for (phi = phi_nodes (e->dest); phi; phi = (((phi))->common.chain))
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for (phi = phi_nodes (e->dest); phi; phi = (((phi))->common.chain))
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get_reaching_def ((get_def_from_ptr (get_phi_result_ptr (phi)))->ssa_name.var);
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get_reaching_def ((get_def_from_ptr (get_phi_result_ptr (phi)))->ssa_name.var);
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}
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}
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}
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}
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/* { dg-final { scan-tree-dump-times "Eliminated: 1" 1 "pre" } } */
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/* { dg-final { scan-tree-dump-times "Eliminated: 1" 1 "pre" } } */
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/* { dg-final { cleanup-tree-dump "pre" } } */
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/* { dg-final { cleanup-tree-dump "pre" } } */
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