/* A data reference can write or read some memory or we
just know it may write some memory. */
-enum POLY_DR_TYPE
+enum poly_dr_type
{
PDR_READ,
- /* PDR_MAY_READs are represented using PDR_READS. This does not limit the
- expressiveness. */
+ /* PDR_MAY_READs are represented using PDR_READS. This does not
+ limit the expressiveness. */
PDR_WRITE,
PDR_MAY_WRITE
};
/* An identifier for this PDR. */
int id;
+ /* The number of data refs identical to this one in the PBB. */
+ int nb_refs;
+
/* A pointer to compiler's data reference description. */
void *compiler_dr;
/* A pointer to the PBB that contains this data reference. */
poly_bb_p pbb;
- enum POLY_DR_TYPE type;
+ enum poly_dr_type type;
/* The access polyhedron contains the polyhedral space this data
reference will access.
The polyhedron contains these dimensions:
- - The alias set (a):
- Every memory access is classified in at least one alias set.
+ - The alias set (a):
+ Every memory access is classified in at least one alias set.
- - The subscripts (s_0, ..., s_n):
- The memory is accessed using zero or more subscript dimensions.
+ - The subscripts (s_0, ..., s_n):
+ The memory is accessed using zero or more subscript dimensions.
- - The iteration domain (variables and parameters)
+ - The iteration domain (variables and parameters)
Do not hardcode the dimensions. Use the following accessor functions:
- pdr_alias_set_dim
| 0 0 0 -1 15 = 0 */
ppl_Pointset_Powerset_C_Polyhedron_t accesses;
+ /* Data reference's base object set number, we must assure 2 pdrs are in the
+ same base object set before dependency checking. */
+ int dr_base_object_set;
+
/* The number of subscripts. */
graphite_dim_t nb_subscripts;
};
#define PDR_ID(PDR) (PDR->id)
+#define PDR_NB_REFS(PDR) (PDR->nb_refs)
#define PDR_CDR(PDR) (PDR->compiler_dr)
#define PDR_PBB(PDR) (PDR->pbb)
#define PDR_TYPE(PDR) (PDR->type)
#define PDR_ACCESSES(PDR) (PDR->accesses)
+#define PDR_BASE_OBJECT_SET(PDR) (PDR->dr_base_object_set)
#define PDR_NB_SUBSCRIPTS(PDR) (PDR->nb_subscripts)
-void new_poly_dr (poly_bb_p, ppl_Pointset_Powerset_C_Polyhedron_t,
- enum POLY_DR_TYPE, void *, int);
+void new_poly_dr (poly_bb_p, int, ppl_Pointset_Powerset_C_Polyhedron_t,
+ enum poly_dr_type, void *, graphite_dim_t);
void free_poly_dr (poly_dr_p);
void debug_pdr (poly_dr_p);
void print_pdr (FILE *, poly_dr_p);
return pbb_dim_iter_domain (pbb) + param;
}
+/* Returns true when PDR is a "read". */
+
+static inline bool
+pdr_read_p (poly_dr_p pdr)
+{
+ return PDR_TYPE (pdr) == PDR_READ;
+}
+
+/* Returns true when PDR is a "write". */
+
+static inline bool
+pdr_write_p (poly_dr_p pdr)
+{
+ return PDR_TYPE (pdr) == PDR_WRITE;
+}
+
+/* Returns true when PDR is a "may write". */
+
+static inline bool
+pdr_may_write_p (poly_dr_p pdr)
+{
+ return PDR_TYPE (pdr) == PDR_MAY_WRITE;
+}
+
typedef struct poly_scattering *poly_scattering_p;
struct poly_scattering
/* A copy of the transformed scattering. */
poly_scattering_p saved;
+
+ /* True when the PDR duplicates have already been removed. */
+ bool pdr_duplicates_removed;
+
+ /* True when this PBB contains only a reduction statement. */
+ bool is_reduction;
};
#define PBB_BLACK_BOX(PBB) ((gimple_bb_p) PBB->black_box)
#define PBB_SAVED(PBB) (PBB->saved)
#define PBB_NB_LOCAL_VARIABLES(PBB) (PBB->transformed->nb_local_variables)
#define PBB_NB_SCATTERING_TRANSFORM(PBB) (PBB->transformed->nb_scattering)
+#define PBB_PDR_DUPLICATES_REMOVED(PBB) (PBB->pdr_duplicates_removed)
+#define PBB_IS_REDUCTION(PBB) (PBB->is_reduction)
-extern void new_poly_bb (scop_p, void *);
+extern void new_poly_bb (scop_p, void *, bool);
extern void free_poly_bb (poly_bb_p);
extern void debug_loop_vec (poly_bb_p);
extern void schedule_to_scattering (poly_bb_p, int);
extern bool scop_do_interchange (scop_p);
extern bool scop_do_strip_mine (scop_p);
extern void pbb_number_of_iterations (poly_bb_p, graphite_dim_t, Value);
+extern void pbb_number_of_iterations_at_time (poly_bb_p, graphite_dim_t, Value);
+extern void pbb_remove_duplicate_pdrs (poly_bb_p);
/* The index of the PBB. */
return GBB_BB (PBB_BLACK_BOX (pbb))->index;
}
+/* The loop of the PBB. */
+
+static inline loop_p
+pbb_loop (poly_bb_p pbb)
+{
+ return gbb_loop (PBB_BLACK_BOX (pbb));
+}
+
/* The scop that contains the PDR. */
static inline scop_p
return PBB_NB_SCATTERING_TRANSFORM (pbb);
}
+/* The number of dynamic scattering dimensions in PBB. */
+
+static inline graphite_dim_t
+pbb_nb_dynamic_scattering_transform (const struct poly_bb *pbb)
+{
+ /* This function requires the 2d + 1 scattering format to be
+ invariant during all transformations. */
+ gcc_assert (PBB_NB_SCATTERING_TRANSFORM (pbb) % 2);
+ return PBB_NB_SCATTERING_TRANSFORM (pbb) / 2;
+}
+
/* Returns the number of local variables used in the transformed
scattering polyhedron of PBB. */
+ pbb_dim_iter_domain (pbb);
}
+/* The scattering dimension of PBB corresponding to the dynamic level
+ LEVEL. */
+
+static inline ppl_dimension_type
+psct_dynamic_dim (poly_bb_p pbb, graphite_dim_t level)
+{
+ graphite_dim_t result;
+ result = 1 + 2 * level;
+
+ gcc_assert (result < pbb_nb_scattering_transform (pbb));
+ return result;
+}
+
/* Adds to the transformed scattering polyhedron of PBB a new local
variable and returns its index. */
OSDN Git Service
