Viewing file:  loadpre8.c (1.96 KB) -rw-r--r--
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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-pre-stats -std=gnu89 -fno-tree-loop-im" } */
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;
__attribute__ ((noinline)) static 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;
}
__attribute__ ((noinline)) static 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)
{
}
__attribute__ ((noinline)) static 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" } } */
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