along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
+#ifndef GCC_GRAPHITE_H
+#define GCC_GRAPHITE_H
+
#include "tree-data-ref.h"
typedef struct graphite_bb *graphite_bb_p;
static inline unsigned scop_nb_params (scop_p scop);
static inline bool scop_contains_loop (scop_p scop, struct loop *loop);
-struct graphite_bb
+typedef struct graphite_bb
{
basic_block bb;
scop_p scop;
CloogMatrix *domain;
/* Lists containing the restrictions of the conditional statements
- dominating this bb. This bb can only be executed, if all conditions
+ dominating this bb. This bb can only be executed, if all conditions
are true.
Example:
B
}
- So for B there is a additional condition (2i <= 8).
+ So for B there is an additional condition (2i <= 8).
- TODO: Add this restrictions to the domain matrix.
+ TODO: Add these restrictions to the domain matrix.
- List of COND_EXPR and SWITCH_EXPR. A COND_EXPR is true only if the
- corresponding element in CONDITION_CASES is not NULL_TREE. For a
- SWITCH_EXPR the corresponding element in CONDITION_CASES is a
+ List of COND_EXPR and SWITCH_EXPR. A COND_EXPR is true only if the
+ corresponding element in CONDITION_CASES is not NULL_TREE. For a
+ SWITCH_EXPR the corresponding element in CONDITION_CASES is a
CASE_LABEL_EXPR. */
VEC (gimple, heap) *conditions;
VEC (gimple, heap) *condition_cases;
lambda_vector compressed_alpha_matrix;
CloogMatrix *dynamic_schedule;
VEC (data_reference_p, heap) *data_refs;
-};
+ htab_t cloog_iv_types;
+} *gbb_p;
#define GBB_BB(GBB) GBB->bb
#define GBB_SCOP(GBB) GBB->scop
#define GBB_CONDITIONS(GBB) GBB->conditions
#define GBB_CONDITION_CASES(GBB) GBB->condition_cases
#define GBB_LOOPS(GBB) GBB->loops
+#define GBB_CLOOG_IV_TYPES(GBB) GBB->cloog_iv_types
/* Return the loop that contains the basic block GBB. */
return VEC_index (loop_p, GBB_LOOPS (gb), index);
}
-/* Returns the corresponding loop iterator index for a gimple loop. */
+/* Returns the index of LOOP in the loop nest around GB. */
static inline int
gbb_loop_index (graphite_bb_p gb, loop_p loop)
typedef struct sese
{
edge entry, exit;
+ struct pointer_set_t *region_basic_blocks;
} *sese;
#define SESE_ENTRY(S) (S->entry)
#define SESE_EXIT(S) (S->exit)
+#define SESE_REGION_BBS(S) (S->region_basic_blocks)
/* A SCOP is a Static Control Part of the program, simple enough to be
represented in polyhedral form. */
/* ??? It looks like a global mapping loop_id -> cloog_loop would work. */
htab_t loop2cloog_loop;
- /* CLooG representation of this SCOP. */
+ /* Cloog representation of this scop. */
CloogProgram *program;
+
+ /* Are we allowed to add more params? This is for debugging purpose. We
+ can only add new params before generating the bb domains, otherwise they
+ become invalid. */
+ bool add_params;
};
#define SCOP_BBS(S) S->bbs
but just a boundary. SCOP_ENTRY is considered part of the scop. */
#define SCOP_ENTRY(S) (SESE_ENTRY (SCOP_REGION (S))->dest)
#define SCOP_EXIT(S) (SESE_EXIT (SCOP_REGION (S))->dest)
+#define SCOP_REGION_BBS(S) (SESE_REGION_BBS (SCOP_REGION (S)))
#define SCOP_STATIC_SCHEDULE(S) S->static_schedule
#define SCOP_LOOPS(S) S->loops
#define SCOP_LOOP_NEST(S) S->loop_nest
+#define SCOP_ADD_PARAMS(S) S->add_params
#define SCOP_PARAMS(S) S->params
#define SCOP_OLDIVS(S) S->old_ivs
#define SCOP_PROG(S) S->program
extern void dot_scop (scop_p);
extern void dot_all_scops (void);
extern void debug_clast_stmt (struct clast_stmt *);
-
-
-extern void debug_loop_vec (graphite_bb_p gb);
+extern void debug_rename_map (htab_t);
+extern void debug_ivtype_map (htab_t);
+extern void debug_loop_vec (graphite_bb_p);
extern void debug_oldivs (scop_p);
/* Describes the type of an iv stack entry. */
typedef VEC(iv_stack_entry_p, heap) **loop_iv_stack;
extern void debug_loop_iv_stack (loop_iv_stack);
+/* Return the old induction variable of the LOOP that is in normal
+ form in SCOP. */
+
+static inline tree
+oldiv_for_loop (scop_p scop, loop_p loop)
+{
+ int i;
+ name_tree iv;
+
+ if (!loop)
+ return NULL_TREE;
+
+ for (i = 0; VEC_iterate (name_tree, SCOP_OLDIVS (scop), i, iv); i++)
+ if (iv->loop == loop)
+ return iv->t;
+
+ return NULL_TREE;
+}
/* Return the number of gimple loops contained in SCOP. */
return cloog_domain_dim (cloog_loop_domain (slot->cloog_loop)) + 2;
}
-/* Returns the dimensionality of an enclosing loop iteration domain
- with respect to enclosing SCoP for a given data reference REF. */
-
-static inline int
-ref_nb_loops (data_reference_p ref)
-{
- return loop_domain_dim (loop_containing_stmt (DR_STMT (ref))->num, DR_SCOP (ref));
-}
-
/* Returns the dimensionality of a loop iteration vector in a loop
iteration domain for a given loop (identified by LOOP_NUM) with
respect to SCOP. */
return depth;
}
-/* Associate a POLYHEDRON dependence description to two data
- references A and B. */
-struct data_dependence_polyhedron
+/* Static inline function prototypes. */
+
+static inline unsigned scop_nb_params (scop_p scop);
+
+/* Returns true when BB is in SCOP. */
+
+static inline bool
+bb_in_scop_p (basic_block bb, scop_p scop)
+{
+ return bitmap_bit_p (SCOP_BBS_B (scop), bb->index);
+}
+
+/* Returns true when LOOP is in SCOP. */
+
+static inline bool
+loop_in_scop_p (struct loop *loop, scop_p scop)
{
- struct data_reference *a;
- struct data_reference *b;
- bool reversed_p;
- bool loop_carried; /*TODO:konrad get rid of this, make level signed */
- signed level;
- CloogDomain *polyhedron;
-};
+ return (bb_in_scop_p (loop->header, scop)
+ && bb_in_scop_p (loop->latch, scop));
+}
+
+/* Calculate the number of loops around LOOP in the SCOP. */
+
+static inline int
+nb_loops_around_loop_in_scop (struct loop *l, scop_p scop)
+{
+ int d = 0;
+
+ for (; loop_in_scop_p (l, scop); d++, l = loop_outer (l));
-#define RDGE_DDP(E) ((struct data_dependence_polyhedron*) ((E)->data))
+ return d;
+}
+
+/* Calculate the number of loops around GB in the current SCOP. */
+
+static inline int
+nb_loops_around_gb (graphite_bb_p gb)
+{
+ return nb_loops_around_loop_in_scop (gbb_loop (gb), GBB_SCOP (gb));
+}
-typedef struct data_dependence_polyhedron *ddp_p;
+/* Returns the dimensionality of an enclosing loop iteration domain
+ with respect to enclosing SCoP for a given data reference REF. The
+ returned dimensionality is homogeneous (depth of loop nest + number
+ of SCoP parameters + const). */
+
+static inline int
+ref_nb_loops (data_reference_p ref)
+{
+ loop_p loop = loop_containing_stmt (DR_STMT (ref));
+ scop_p scop = DR_SCOP (ref);
-DEF_VEC_P(ddp_p);
-DEF_VEC_ALLOC_P(ddp_p,heap);
+ return nb_loops_around_loop_in_scop (loop, scop) + scop_nb_params (scop) + 2;
+}
+#endif /* GCC_GRAPHITE_H */
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