+2016-08-20 Kugan Vivekanandarajah <kuganv@linaro.org>
+
+ * Makefile.in: Add tree-vrp.h to GTFILES.
+ * gengtype.c (open_base_files): Add tree-vrp.h.
+ * asan.c: Add tree-vrp.h which now has the definition value_range_type.
+ * builtins.c: Likewise.
+ * fold-const.c: Likewise.
+ * gimple-builder.c: Likewise.
+ * gimple-laddress.c: Likewise.
+ * hsa-gen.c: Likewise.
+ * internal-fn.c: Likewise.
+ * ssa.h: Likewise.
+ * targhooks.c: Liewise,
+ * tree-ssa-address.c: Likewise.
+ * tree-ssanames.h (value_range_type: Move to tree-vrp.h.
+ * tree-vrp.c (struct value_range): Move to tree-vrp.h
+ * tree-vrp.h: New file.
+
2016-08-20 Kugan Vivekanandarajah <kuganv@linaro.org>
PR tree-optimization/61839
$(srcdir)/tree-phinodes.c \
$(srcdir)/tree-ssa-alias.h \
$(srcdir)/tree-ssanames.h \
+ $(srcdir)/tree-vrp.h \
$(srcdir)/ipa-prop.h \
$(srcdir)/trans-mem.c \
$(srcdir)/lto-streamer.h \
#include "tree-pass.h"
#include "tm_p.h"
#include "stringpool.h"
+#include "tree-vrp.h"
#include "tree-ssanames.h"
#include "optabs.h"
#include "emit-rtl.h"
#include "predict.h"
#include "tm_p.h"
#include "stringpool.h"
+#include "tree-vrp.h"
#include "tree-ssanames.h"
#include "expmed.h"
#include "optabs.h"
#include "md5.h"
#include "case-cfn-macros.h"
#include "stringpool.h"
+#include "tree-vrp.h"
#include "tree-ssanames.h"
#include "selftest.h"
"explow.h", "calls.h", "cilk.h", "emit-rtl.h", "varasm.h", "stmt.h",
"expr.h", "alloc-pool.h", "cselib.h", "insn-addr.h", "optabs.h",
"libfuncs.h", "debug.h", "internal-fn.h", "gimple-fold.h", "tree-eh.h",
- "gimple-iterator.h", "gimple-ssa.h", "tree-cfg.h",
+ "gimple-iterator.h", "gimple-ssa.h", "tree-cfg.h", "tree-vrp.h",
"tree-phinodes.h", "ssa-iterators.h", "stringpool.h", "tree-ssanames.h",
"tree-ssa-loop.h", "tree-ssa-loop-ivopts.h", "tree-ssa-loop-manip.h",
"tree-ssa-loop-niter.h", "tree-into-ssa.h", "tree-dfa.h",
#include "tree.h"
#include "gimple.h"
#include "stringpool.h"
+#include "tree-vrp.h"
#include "tree-ssanames.h"
#include "symtab.h"
#include "tree.h"
#include "stringpool.h"
+#include "tree-vrp.h"
#include "tree-ssanames.h"
#include "fold-const.h"
#include "gimple-expr.h"
#include "gimple-ssa.h"
#include "tree-phinodes.h"
#include "stringpool.h"
+#include "tree-vrp.h"
#include "tree-ssanames.h"
#include "tree-dfa.h"
#include "ssa-iterators.h"
#include "gimple.h"
#include "predict.h"
#include "stringpool.h"
+#include "tree-vrp.h"
#include "tree-ssanames.h"
#include "expmed.h"
#include "optabs.h"
#include "stringpool.h"
#include "gimple-ssa.h"
+#include "tree-vrp.h"
#include "tree-ssanames.h"
#include "tree-phinodes.h"
#include "ssa-iterators.h"
#include "gimple-expr.h"
#include "tm_p.h"
#include "stringpool.h"
+#include "tree-vrp.h"
#include "tree-ssanames.h"
#include "optabs.h"
#include "regs.h"
#include "tree.h"
#include "gimple.h"
#include "stringpool.h"
+#include "tree-vrp.h"
#include "tree-ssanames.h"
#include "expmed.h"
#include "insn-config.h"
#define num_ssa_names (vec_safe_length (cfun->gimple_df->ssa_names))
#define ssa_name(i) ((*cfun->gimple_df->ssa_names)[(i)])
-
-/* Type of value ranges. See value_range_d In tree-vrp.c for a
- description of these types. */
-enum value_range_type { VR_UNDEFINED, VR_RANGE, VR_ANTI_RANGE, VR_VARYING };
-
/* Sets the value range to SSA. */
extern void set_range_info (tree, enum value_range_type, const wide_int_ref &,
const wide_int_ref &);
#include "params.h"
#include "alloc-pool.h"
-/* Range of values that can be associated with an SSA_NAME after VRP
- has executed. */
-struct value_range
-{
- /* Lattice value represented by this range. */
- enum value_range_type type;
-
- /* Minimum and maximum values represented by this range. These
- values should be interpreted as follows:
-
- - If TYPE is VR_UNDEFINED or VR_VARYING then MIN and MAX must
- be NULL.
-
- - If TYPE == VR_RANGE then MIN holds the minimum value and
- MAX holds the maximum value of the range [MIN, MAX].
-
- - If TYPE == ANTI_RANGE the variable is known to NOT
- take any values in the range [MIN, MAX]. */
- tree min;
- tree max;
-
- /* Set of SSA names whose value ranges are equivalent to this one.
- This set is only valid when TYPE is VR_RANGE or VR_ANTI_RANGE. */
- bitmap equiv;
-};
-
#define VR_INITIALIZER { VR_UNDEFINED, NULL_TREE, NULL_TREE, NULL }
/* Allocation pools for tree-vrp allocations. */
/* Local functions. */
static int compare_values (tree val1, tree val2);
static int compare_values_warnv (tree val1, tree val2, bool *);
-static void vrp_meet (value_range *, value_range *);
-static void vrp_intersect_ranges (value_range *, value_range *);
static tree vrp_evaluate_conditional_warnv_with_ops (enum tree_code,
tree, tree, bool, bool *,
bool *);
/* Debugging dumps. */
-void dump_value_range (FILE *, value_range *);
+void dump_value_range (FILE *, const value_range *);
void debug_value_range (value_range *);
void dump_all_value_ranges (FILE *);
void debug_all_value_ranges (void);
/* Dump value range VR to FILE. */
void
-dump_value_range (FILE *file, value_range *vr)
+dump_value_range (FILE *file, const value_range *vr)
{
if (vr == NULL)
fprintf (file, "[]");
bitmap_copy (vr0->equiv, vr1->equiv);
}
-static void
+void
vrp_intersect_ranges (value_range *vr0, value_range *vr1)
{
if (dump_file && (dump_flags & TDF_DETAILS))
may not be the smallest possible such range. */
static void
-vrp_meet_1 (value_range *vr0, value_range *vr1)
+vrp_meet_1 (value_range *vr0, const value_range *vr1)
{
value_range saved;
bitmap_clear (vr0->equiv);
}
-static void
-vrp_meet (value_range *vr0, value_range *vr1)
+void
+vrp_meet (value_range *vr0, const value_range *vr1)
{
if (dump_file && (dump_flags & TDF_DETAILS))
{
--- /dev/null
+/* Support routines for Value Range Propagation (VRP).
+ Copyright (C) 2016 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3, or (at your option)
+any later version.
+
+GCC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
+
+/* Type of value ranges. See value_range_d In tree-vrp.c for a
+ description of these types. */
+enum value_range_type { VR_UNDEFINED, VR_RANGE,
+ VR_ANTI_RANGE, VR_VARYING, VR_LAST };
+
+/* Range of values that can be associated with an SSA_NAME after VRP
+ has executed. */
+struct GTY(()) value_range
+{
+ /* Lattice value represented by this range. */
+ enum value_range_type type;
+
+ /* Minimum and maximum values represented by this range. These
+ values should be interpreted as follows:
+
+ - If TYPE is VR_UNDEFINED or VR_VARYING then MIN and MAX must
+ be NULL.
+
+ - If TYPE == VR_RANGE then MIN holds the minimum value and
+ MAX holds the maximum value of the range [MIN, MAX].
+
+ - If TYPE == ANTI_RANGE the variable is known to NOT
+ take any values in the range [MIN, MAX]. */
+ tree min;
+ tree max;
+
+ /* Set of SSA names whose value ranges are equivalent to this one.
+ This set is only valid when TYPE is VR_RANGE or VR_ANTI_RANGE. */
+ bitmap equiv;
+};
+
+extern void vrp_intersect_ranges (value_range *vr0, value_range *vr1);
+extern void vrp_meet (value_range *vr0, const value_range *vr1);
+extern void dump_value_range (FILE *, const value_range *);
+