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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [loadpre8.c] - Rev 154
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/* { dg-do compile } */ /* { dg-options "-O2 -fdump-tree-pre-stats" } */ typedef union tree_node *tree; struct tree_common { tree chain; } VEC_constructor_elt_base; struct tree_ssa_name { tree var; }; union tree_node { struct tree_common common; struct tree_ssa_name ssa_name; }; struct edge_def { struct basic_block_def *dest; }; typedef struct edge_def *edge; typedef struct VEC_edge_base { } VEC_edge_base; edge VEC_edge_base_index (const VEC_edge_base * vec_, unsigned ix_) { } typedef struct VEC_edge_gc { VEC_edge_base base; } VEC_edge_gc; struct basic_block_def { VEC_edge_gc *succs; }; typedef struct basic_block_def *basic_block; typedef struct { unsigned index; VEC_edge_gc **container; } edge_iterator; __inline__ VEC_edge_gc * ei_container (edge_iterator i) { return *i.container; } __inline__ edge_iterator ei_start_1 (VEC_edge_gc ** ev) { edge_iterator i; i.container = ev; return i; } ei_next (edge_iterator * i) { } static __inline__ edge ei_edge (edge_iterator i) { return (edge) (VEC_edge_base_index ((((ei_container (i))) ? &((ei_container (i)))->base : 0), (i.index))); } static __inline__ unsigned char ei_cond (edge_iterator ei, edge * p) { *p = ei_edge (ei); } typedef tree *def_operand_p; extern tree *get_phi_result_ptr (tree); static __inline__ tree get_def_from_ptr (def_operand_p def) { } tree phi_nodes (basic_block bb) { } /* We can eliminate a load of the SRA'd variable edge_iterator.container */ rewrite_add_phi_arguments (basic_block bb) { edge e; edge_iterator ei; for ((ei) = ei_start_1 (&((bb->succs))); ei_cond ((ei), &(e)); ei_next (&(ei))) { tree phi; for (phi = phi_nodes (e->dest); phi; phi = (((phi))->common.chain)) get_reaching_def ((get_def_from_ptr (get_phi_result_ptr (phi)))->ssa_name.var); } } /* { dg-final { scan-tree-dump-times "Eliminated: 1" 1 "pre"} } */ /* { dg-final { cleanup-tree-dump "pre" } } */
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