#include "config.h"
#include "system.h"
#include "coretypes.h"
-#include "tm.h"
-#include "ggc.h"
-#include "tree.h"
-#include "rtl.h"
-#include "output.h"
-#include "basic-block.h"
-#include "diagnostic.h"
-#include "tree-pretty-print.h"
-#include "gimple-pretty-print.h"
+#include "diagnostic-core.h"
#include "tree-flow.h"
-#include "toplev.h"
#include "tree-dump.h"
-#include "timevar.h"
+#include "gimple-pretty-print.h"
#include "cfgloop.h"
#include "tree-chrec.h"
#include "tree-data-ref.h"
#include "tree-scalar-evolution.h"
-#include "tree-pass.h"
-#include "domwalk.h"
-#include "value-prof.h"
-#include "pointer-set.h"
-#include "gimple.h"
-#include "params.h"
+#include "sese.h"
#ifdef HAVE_cloog
#include "ppl_c.h"
-#include "sese.h"
#include "graphite-ppl.h"
-#include "graphite.h"
#include "graphite-poly.h"
#include "graphite-dependences.h"
#include "graphite-cloog-util.h"
if (strcmp (tmp, "SCoP 1"))
{
- error ("The file is not in OpenScop format.\n");
+ error ("the file is not in OpenScop format");
return false;
}
if (strcmp (language, "Gimple"))
{
- error ("The language is not recognized\n");
+ error ("the language is not recognized");
return false;
}
if ((size_t) params != scop->nb_params)
{
- error ("Parameters number in the scop file is different from the"
- " internal scop parameter number.");
+ error ("parameters number in the scop file is different from the"
+ " internal scop parameter number");
return false;
}
if (nb_statements != VEC_length (poly_bb_p, SCOP_BBS (scop)))
{
- error ("Number of statements in the OpenScop file does not match"
- " the graphite internal statements number.");
+ error ("number of statements in the OpenScop file does not match"
+ " the graphite internal statements number");
return false;
}
{
graphite_file = init_graphite_in_file (file_scop_number);
transform_done |= graphite_read_scop_file (graphite_file, scop);
- gcc_assert (graphite_legal_transform (scop));
+
+ /* We cannot check for the legality of the transform here: there
+ are cases where graphite_legal_transform cannot determine the
+ dependence at compile time. For an example, see the
+ explanation of why http://gcc.gnu.org/PR45450 is invalid. */
+ if (0 && !graphite_legal_transform (scop))
+ fatal_error ("the graphite file read for scop %d does not contain a legal transform",
+ (int) file_scop_number);
+
file_scop_number++;
}
else
{
if (flag_loop_strip_mine)
- transform_done |= scop_do_strip_mine (scop);
+ transform_done |= scop_do_strip_mine (scop, 0);
if (flag_loop_interchange)
transform_done |= scop_do_interchange (scop);
}
+ if (flag_loop_flatten)
+ transform_done |= flatten_all_loops (scop);
+
/* This feature is only enabled in the Graphite branch. */
if (0)
{
{
int i, j;
poly_dr_p pdr1, pdr2;
- unsigned n = VEC_length (poly_dr_p, PBB_DRS (pbb));
- VEC (poly_dr_p, heap) *collapsed = VEC_alloc (poly_dr_p, heap, n);
FOR_EACH_VEC_ELT (poly_dr_p, PBB_DRS (pbb), i, pdr1)
- FOR_EACH_VEC_ELT (poly_dr_p, collapsed, j, pdr2)
- if (!can_collapse_pdrs (pdr1, pdr2))
- VEC_quick_push (poly_dr_p, collapsed, pdr1);
+ for (j = i + 1; VEC_iterate (poly_dr_p, PBB_DRS (pbb), j, pdr2); j++)
+ if (can_collapse_pdrs (pdr1, pdr2))
+ {
+ PDR_NB_REFS (pdr1) += PDR_NB_REFS (pdr2);
+ free_poly_dr (pdr2);
+ VEC_ordered_remove (poly_dr_p, PBB_DRS (pbb), j);
+ }
- VEC_free (poly_dr_p, heap, collapsed);
PBB_PDR_DUPLICATES_REMOVED (pbb) = true;
}
/* Create a new polyhedral black box. */
-void
-new_poly_bb (scop_p scop, void *black_box, bool reduction)
+poly_bb_p
+new_poly_bb (scop_p scop, void *black_box)
{
poly_bb_p pbb = XNEW (struct poly_bb);
PBB_SAVED (pbb) = NULL;
PBB_ORIGINAL (pbb) = NULL;
PBB_DRS (pbb) = VEC_alloc (poly_dr_p, heap, 3);
- PBB_IS_REDUCTION (pbb) = reduction;
+ PBB_IS_REDUCTION (pbb) = false;
PBB_PDR_DUPLICATES_REMOVED (pbb) = false;
- VEC_safe_push (poly_bb_p, heap, SCOP_BBS (scop), pbb);
+ GBB_PBB ((gimple_bb_p) black_box) = pbb;
+
+ return pbb;
}
/* Free polyhedral black box. */
fprintf (file, "# Body (\n");
if (!statement_body_provided)
- {
- if (verbosity > 0)
- fprintf (file, "# Statement body is not provided\n");
+ {
+ if (verbosity > 0)
+ fprintf (file, "# Statement body is not provided\n");
- fprintf (file, "0\n");
- return;
- }
+ fprintf (file, "0\n");
+
+ if (verbosity > 1)
+ fprintf (file, "#)\n");
+ return;
+ }
if (verbosity > 0)
fprintf (file, "# Statement body is provided\n");
fprintf (file, "# )\n");
}
-/* Print to FILE the SCOP header: context, parameters, and statements
- number. */
+/* Print to FILE the SCOP, at some VERBOSITY level. */
-static void
-print_scop_header (FILE *file, scop_p scop, int verbosity)
+void
+print_scop (FILE *file, scop_p scop, int verbosity)
{
+ int i;
+ poly_bb_p pbb;
+
fprintf (file, "SCoP 1\n#(\n");
fprintf (file, "# Language\nGimple\n");
openscop_print_scop_context (file, scop, verbosity);
fprintf (file, "# Number of statements\n");
fprintf (file, "%d\n",VEC_length (poly_bb_p, SCOP_BBS (scop)));
-}
-
-/* Print to FILE the SCOP, at some VERBOSITY level. */
-
-void
-print_scop (FILE *file, scop_p scop, int verbosity)
-{
- int i;
- poly_bb_p pbb;
-
- print_scop_header (file, scop, verbosity);
FOR_EACH_VEC_ELT (poly_bb_p, SCOP_BBS (scop), i, pbb)
print_pbb (file, pbb, verbosity);
gcc_unreachable ();
}
-/* Returns the number of iterations NITER of the loop around PBB at
- depth LOOP_DEPTH. */
-
-void
-pbb_number_of_iterations (poly_bb_p pbb,
- graphite_dim_t loop_depth,
- mpz_t niter)
-{
- ppl_Linear_Expression_t le;
- ppl_dimension_type dim;
-
- ppl_Pointset_Powerset_C_Polyhedron_space_dimension (PBB_DOMAIN (pbb), &dim);
- ppl_new_Linear_Expression_with_dimension (&le, dim);
- ppl_set_coef (le, pbb_iterator_dim (pbb, loop_depth), 1);
- mpz_set_si (niter, -1);
- ppl_max_for_le_pointset (PBB_DOMAIN (pbb), le, niter);
- ppl_delete_Linear_Expression (le);
-}
-
-/* Returns the number of iterations NITER of the loop around PBB at
+/* Returns the number of iterations RES of the loop around PBB at
time(scattering) dimension TIME_DEPTH. */
void
pbb_number_of_iterations_at_time (poly_bb_p pbb,
graphite_dim_t time_depth,
- mpz_t niter)
+ mpz_t res)
{
- ppl_Pointset_Powerset_C_Polyhedron_t ext_domain, sctr;
+ ppl_Pointset_Powerset_C_Polyhedron_t domain, sctr_lb, sctr_ub;
+ ppl_dimension_type domain_dim, sctr_dim;
+ graphite_dim_t dim_iter_domain = pbb_dim_iter_domain (pbb);
ppl_Linear_Expression_t le;
- ppl_dimension_type dim;
+ mpz_t lb, ub, diff, one;
+ int i;
- /* Takes together domain and scattering polyhedrons, and composes
- them into the bigger polyhedron that has the following format:
+ ppl_Polyhedron_space_dimension (PBB_TRANSFORMED_SCATTERING (pbb), &sctr_dim);
- t0..t_{n-1} | l0..l_{nlcl-1} | i0..i_{niter-1} | g0..g_{nparm-1}
+ ppl_new_Pointset_Powerset_C_Polyhedron_from_Pointset_Powerset_C_Polyhedron
+ (&domain, PBB_DOMAIN (pbb));
- where
- | t0..t_{n-1} are time dimensions (scattering dimensions)
- | l0..l_{nclc-1} are local variables in scattering function
- | i0..i_{niter-1} are original iteration variables
- | g0..g_{nparam-1} are global parameters. */
+ ppl_Pointset_Powerset_C_Polyhedron_space_dimension (domain, &domain_dim);
- ppl_new_Pointset_Powerset_C_Polyhedron_from_C_Polyhedron (&sctr,
- PBB_TRANSFORMED_SCATTERING (pbb));
+ mpz_init (diff);
+ mpz_init (lb);
+ mpz_init (ub);
+ mpz_init (one);
+ mpz_set_si (one, 1);
- /* Extend the iteration domain with the scattering dimensions:
- 0..0 | 0..0 | i0..i_{niter-1} | g0..g_{nparm-1}. */
- ppl_new_Pointset_Powerset_C_Polyhedron_from_Pointset_Powerset_C_Polyhedron
- (&ext_domain, PBB_DOMAIN (pbb));
- ppl_insert_dimensions_pointset (ext_domain, 0,
- pbb_nb_scattering_transform (pbb)
- + pbb_nb_local_vars (pbb));
+ /* Compute the upper bound on the original iteration domain and add
+ that upper bound to the scattering. */
+ ppl_new_Pointset_Powerset_C_Polyhedron_from_C_Polyhedron
+ (&sctr_ub, PBB_TRANSFORMED_SCATTERING (pbb));
+ for (i = 0; i < (int) dim_iter_domain; i++)
+ {
+ ppl_Linear_Expression_t eq;
+ ppl_Constraint_t pc;
+ ppl_Constraint_System_t cs;
+ ppl_Polyhedron_t ph;
+ ppl_Pointset_Powerset_C_Polyhedron_t pph;
+
+ ppl_new_Linear_Expression_with_dimension (&le, domain_dim);
+ ppl_set_coef (le, i, 1);
+ ppl_min_for_le_pointset (domain, le, lb);
+ ppl_max_for_le_pointset (domain, le, ub);
+ mpz_sub (diff, ub, lb);
+ mpz_add (diff, diff, one);
+
+ ppl_new_Linear_Expression_with_dimension (&eq, sctr_dim);
+ ppl_set_coef (eq, psct_iterator_dim (pbb, i), -1);
+ ppl_set_inhomogeneous_gmp (eq, diff);
+
+ ppl_new_Constraint (&pc, eq, PPL_CONSTRAINT_TYPE_EQUAL);
+ ppl_new_Constraint_System_from_Constraint (&cs, pc);
+ ppl_new_C_Polyhedron_from_Constraint_System (&ph, cs);
+ ppl_new_Pointset_Powerset_C_Polyhedron_from_C_Polyhedron (&pph, ph);
+ ppl_Pointset_Powerset_C_Polyhedron_intersection_assign (sctr_ub, pph);
+
+ ppl_delete_Linear_Expression (le);
+ ppl_delete_Linear_Expression (eq);
+ ppl_delete_Polyhedron (ph);
+ ppl_delete_Pointset_Powerset_C_Polyhedron (pph);
+ ppl_delete_Constraint (pc);
+ ppl_delete_Constraint_System (cs);
+ }
- /* Add to sctr the extended domain. */
- ppl_Pointset_Powerset_C_Polyhedron_intersection_assign (sctr, ext_domain);
+ /* Compute the lower bound on the original iteration domain and add
+ it to the scattering. */
+ ppl_new_Pointset_Powerset_C_Polyhedron_from_C_Polyhedron
+ (&sctr_lb, PBB_TRANSFORMED_SCATTERING (pbb));
+ for (i = 0; i < (int) dim_iter_domain; i++)
+ {
+ ppl_Linear_Expression_t eq;
+ ppl_Constraint_t pc;
+ ppl_Constraint_System_t cs;
+ ppl_Polyhedron_t ph;
+ ppl_Pointset_Powerset_C_Polyhedron_t pph;
+
+ ppl_new_Linear_Expression_with_dimension (&le, domain_dim);
+ ppl_set_coef (le, i, 1);
+ ppl_min_for_le_pointset (domain, le, lb);
+
+ ppl_new_Linear_Expression_with_dimension (&eq, sctr_dim);
+ ppl_set_coef (eq, psct_iterator_dim (pbb, i), -1);
+ ppl_set_inhomogeneous_gmp (eq, lb);
+
+ ppl_new_Constraint (&pc, eq, PPL_CONSTRAINT_TYPE_EQUAL);
+ ppl_new_Constraint_System_from_Constraint (&cs, pc);
+ ppl_new_C_Polyhedron_from_Constraint_System (&ph, cs);
+ ppl_new_Pointset_Powerset_C_Polyhedron_from_C_Polyhedron (&pph, ph);
+ ppl_Pointset_Powerset_C_Polyhedron_intersection_assign (sctr_lb, pph);
+
+ ppl_delete_Linear_Expression (le);
+ ppl_delete_Linear_Expression (eq);
+ ppl_delete_Polyhedron (ph);
+ ppl_delete_Pointset_Powerset_C_Polyhedron (pph);
+ ppl_delete_Constraint (pc);
+ ppl_delete_Constraint_System (cs);
+ }
/* Extract the number of iterations. */
- ppl_Pointset_Powerset_C_Polyhedron_space_dimension (sctr, &dim);
- ppl_new_Linear_Expression_with_dimension (&le, dim);
+ ppl_new_Linear_Expression_with_dimension (&le, sctr_dim);
ppl_set_coef (le, time_depth, 1);
- mpz_set_si (niter, -1);
- ppl_max_for_le_pointset (sctr, le, niter);
+ ppl_min_for_le_pointset (sctr_lb, le, lb);
+ ppl_max_for_le_pointset (sctr_ub, le, ub);
+ mpz_sub (res, ub, lb);
+ mpz_clear (one);
+ mpz_clear (diff);
+ mpz_clear (lb);
+ mpz_clear (ub);
ppl_delete_Linear_Expression (le);
- ppl_delete_Pointset_Powerset_C_Polyhedron (sctr);
- ppl_delete_Pointset_Powerset_C_Polyhedron (ext_domain);
+ ppl_delete_Pointset_Powerset_C_Polyhedron (sctr_ub);
+ ppl_delete_Pointset_Powerset_C_Polyhedron (sctr_lb);
+ ppl_delete_Pointset_Powerset_C_Polyhedron (domain);
}
/* Translates LOOP to LST. */
#endif
}
+/* Computes a checksum for the code generated by CLooG for SCOP. */
+
+DEBUG_FUNCTION void
+cloog_checksum (scop_p scop ATTRIBUTE_UNUSED)
+{
+ /* When debugging, enable the following code. This cannot be used
+ in production compilers because it calls "system". */
+#if 0
+ FILE *stream = fopen ("/tmp/scop.cloog", "w");
+ gcc_assert (stream);
+ print_cloog (stream, scop, 0);
+ fclose (stream);
+
+ fputs ("\n", stdout);
+ system ("cloog -compilable 1 /tmp/scop.cloog > /tmp/scop.c ; gcc -O0 -g /tmp/scop.c -lm -o /tmp/scop; /tmp/scop | md5sum ");
+#endif
+}
+
#endif
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