-#include "isl_dim.h"
+/*
+ * Copyright 2008-2009 Katholieke Universiteit Leuven
+ * Copyright 2010 INRIA Saclay
+ *
+ * Use of this software is governed by the GNU LGPLv2.1 license
+ *
+ * Written by Sven Verdoolaege, K.U.Leuven, Departement
+ * Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
+ * and INRIA Saclay - Ile-de-France, Parc Club Orsay Universite,
+ * ZAC des vignes, 4 rue Jacques Monod, 91893 Orsay, France
+ */
+
+#include <stdlib.h>
+#include <isl_dim_private.h>
#include "isl_name.h"
+#include <isl_reordering.h>
+
+isl_ctx *isl_dim_get_ctx(__isl_keep isl_dim *dim)
+{
+ return dim ? dim->ctx : NULL;
+}
struct isl_dim *isl_dim_alloc(struct isl_ctx *ctx,
unsigned nparam, unsigned n_in, unsigned n_out)
dim->n_in = n_in;
dim->n_out = n_out;
+ dim->tuple_name[0] = NULL;
+ dim->tuple_name[1] = NULL;
+
+ dim->nested[0] = NULL;
+ dim->nested[1] = NULL;
+
dim->n_name = 0;
dim->names = NULL;
isl_assert(ctx, pos < dim->n_out, return isl_dim_total(dim));
return pos + dim->nparam + dim->n_in;
default:
- isl_assert(ctx, 0, goto error);
+ isl_assert(ctx, 0, return isl_dim_total(dim));
}
return isl_dim_total(dim);
}
+/* Extend length of names array to the total number of dimensions.
+ */
+static __isl_give isl_dim *extend_names(__isl_take isl_dim *dim)
+{
+ struct isl_name **names;
+ int i;
+
+ if (isl_dim_total(dim) <= dim->n_name)
+ return dim;
+
+ if (!dim->names) {
+ dim->names = isl_calloc_array(dim->ctx,
+ struct isl_name *, isl_dim_total(dim));
+ if (!dim->names)
+ goto error;
+ } else {
+ names = isl_realloc_array(dim->ctx, dim->names,
+ struct isl_name *, isl_dim_total(dim));
+ if (!names)
+ goto error;
+ dim->names = names;
+ for (i = dim->n_name; i < isl_dim_total(dim); ++i)
+ dim->names[i] = NULL;
+ }
+
+ dim->n_name = isl_dim_total(dim);
+
+ return dim;
+error:
+ isl_dim_free(dim);
+ return NULL;
+}
+
static struct isl_dim *set_name(struct isl_dim *dim,
enum isl_dim_type type, unsigned pos,
struct isl_name *name)
goto error;
pos = global_pos(dim, type, pos);
- isl_assert(ctx, pos != isl_dim_total(dim), goto error);
+ if (pos == isl_dim_total(dim))
+ goto error;
if (pos >= dim->n_name) {
if (!name)
return dim;
- if (!dim->names) {
- dim->names = isl_calloc_array(dim->ctx,
- struct isl_name *, isl_dim_total(dim));
- if (!dim->names)
- goto error;
- } else {
- int i;
- dim->names = isl_realloc_array(dim->ctx, dim->names,
- struct isl_name *, isl_dim_total(dim));
- if (!dim->names)
- goto error;
- for (i = dim->n_name; i < isl_dim_total(dim); ++i)
- dim->names[i] = NULL;
- }
+ dim = extend_names(dim);
+ if (!dim)
+ goto error;
}
- dim->n_name = isl_dim_total(dim);
dim->names[pos] = name;
return dim->names[pos];
}
+static unsigned offset(struct isl_dim *dim, enum isl_dim_type type)
+{
+ switch (type) {
+ case isl_dim_param: return 0;
+ case isl_dim_in: return dim->nparam;
+ case isl_dim_out: return dim->nparam + dim->n_in;
+ default: return 0;
+ }
+}
+
static unsigned n(struct isl_dim *dim, enum isl_dim_type type)
{
switch (type) {
case isl_dim_param: return dim->nparam;
case isl_dim_in: return dim->n_in;
case isl_dim_out: return dim->n_out;
+ case isl_dim_all: return dim->nparam + dim->n_in + dim->n_out;
+ default: return 0;
}
}
+unsigned isl_dim_size(struct isl_dim *dim, enum isl_dim_type type)
+{
+ if (!dim)
+ return 0;
+ return n(dim, type);
+}
+
+unsigned isl_dim_offset(__isl_keep isl_dim *dim, enum isl_dim_type type)
+{
+ if (!dim)
+ return 0;
+ return offset(dim, type);
+}
+
static struct isl_dim *copy_names(struct isl_dim *dst,
- enum isl_dim_type dst_type, struct isl_dim *src,
+ enum isl_dim_type dst_type, unsigned offset, struct isl_dim *src,
enum isl_dim_type src_type)
{
int i;
struct isl_name *name;
- for (i = 0; i < n(dst, dst_type); ++i) {
+ if (!dst)
+ return NULL;
+
+ for (i = 0; i < n(src, src_type); ++i) {
name = get_name(src, src_type, i);
if (!name)
continue;
- dst = set_name(dst, dst_type, i, isl_name_copy(dst->ctx, name));
+ dst = set_name(dst, dst_type, offset + i,
+ isl_name_copy(dst->ctx, name));
if (!dst)
return NULL;
}
struct isl_dim *isl_dim_dup(struct isl_dim *dim)
{
struct isl_dim *dup;
+ if (!dim)
+ return NULL;
dup = isl_dim_alloc(dim->ctx, dim->nparam, dim->n_in, dim->n_out);
+ if (dim->tuple_name[0] &&
+ !(dup->tuple_name[0] = isl_name_copy(dim->ctx, dim->tuple_name[0])))
+ goto error;
+ if (dim->tuple_name[1] &&
+ !(dup->tuple_name[1] = isl_name_copy(dim->ctx, dim->tuple_name[1])))
+ goto error;
+ if (dim->nested[0] && !(dup->nested[0] = isl_dim_copy(dim->nested[0])))
+ goto error;
+ if (dim->nested[1] && !(dup->nested[1] = isl_dim_copy(dim->nested[1])))
+ goto error;
if (!dim->names)
return dup;
- dup = copy_names(dup, isl_dim_param, dim, isl_dim_param);
- dup = copy_names(dup, isl_dim_in, dim, isl_dim_in);
- dup = copy_names(dup, isl_dim_out, dim, isl_dim_out);
+ dup = copy_names(dup, isl_dim_param, 0, dim, isl_dim_param);
+ dup = copy_names(dup, isl_dim_in, 0, dim, isl_dim_in);
+ dup = copy_names(dup, isl_dim_out, 0, dim, isl_dim_out);
return dup;
+error:
+ isl_dim_free(dup);
+ return NULL;
}
struct isl_dim *isl_dim_cow(struct isl_dim *dim)
if (--dim->ref > 0)
return;
+ isl_name_free(dim->ctx, dim->tuple_name[0]);
+ isl_name_free(dim->ctx, dim->tuple_name[1]);
+
+ isl_dim_free(dim->nested[0]);
+ isl_dim_free(dim->nested[1]);
+
for (i = 0; i < dim->n_name; ++i)
isl_name_free(dim->ctx, dim->names[i]);
free(dim->names);
free(dim);
}
+static int name_ok(isl_ctx *ctx, const char *s)
+{
+ char *p;
+ long dummy;
+
+ dummy = strtol(s, &p, 0);
+ if (p != s)
+ isl_die(ctx, isl_error_invalid, "name looks like a number",
+ return 0);
+
+ return 1;
+}
+
+__isl_give isl_dim *isl_dim_set_tuple_name(__isl_take isl_dim *dim,
+ enum isl_dim_type type, const char *s)
+{
+ struct isl_name *name;
+
+ dim = isl_dim_cow(dim);
+ if (!dim)
+ return NULL;
+ if (type != isl_dim_in && type != isl_dim_out)
+ isl_die(dim->ctx, isl_error_invalid,
+ "only input, output and set tuples can have names",
+ goto error);
+ if (!s) {
+ name = NULL;
+ } else {
+ if (!name_ok(dim->ctx, s))
+ goto error;
+ name = isl_name_get(dim->ctx, s);
+ if (!name)
+ goto error;
+ }
+
+ isl_name_free(dim->ctx, dim->tuple_name[type - isl_dim_in]);
+ dim->tuple_name[type - isl_dim_in] = name;
+
+ return dim;
+error:
+ isl_dim_free(dim);
+ return NULL;
+}
+
+const char *isl_dim_get_tuple_name(__isl_keep isl_dim *dim,
+ enum isl_dim_type type)
+{
+ struct isl_name *name;
+ if (!dim)
+ return NULL;
+ if (type != isl_dim_in && type != isl_dim_out)
+ return NULL;
+ name = dim->tuple_name[type - isl_dim_in];
+ return name ? name->name : NULL;
+}
+
struct isl_dim *isl_dim_set_name(struct isl_dim *dim,
enum isl_dim_type type, unsigned pos,
const char *s)
{
struct isl_name *name;
+
if (!dim)
return NULL;
+ if (!name_ok(dim->ctx, s))
+ goto error;
+ isl_name_free(dim->ctx, get_name(dim, type, pos));
name = isl_name_get(dim->ctx, s);
if (!name)
goto error;
return name ? name->name : NULL;
}
+static struct isl_name *tuple_name(__isl_keep isl_dim *dim,
+ enum isl_dim_type type)
+{
+ if (!dim)
+ return NULL;
+ if (type == isl_dim_in)
+ return dim->tuple_name[0];
+ if (type == isl_dim_out)
+ return dim->tuple_name[1];
+ return NULL;
+}
+
+static __isl_keep isl_dim *nested(__isl_keep isl_dim *dim,
+ enum isl_dim_type type)
+{
+ if (!dim)
+ return NULL;
+ if (type == isl_dim_in)
+ return dim->nested[0];
+ if (type == isl_dim_out)
+ return dim->nested[1];
+ return NULL;
+}
+
+int isl_dim_tuple_match(__isl_keep isl_dim *dim1, enum isl_dim_type dim1_type,
+ __isl_keep isl_dim *dim2, enum isl_dim_type dim2_type)
+{
+ struct isl_name *name1, *name2;
+ isl_dim *nested1, *nested2;
+
+ if (n(dim1, dim1_type) != n(dim2, dim2_type))
+ return 0;
+ name1 = tuple_name(dim1, dim1_type);
+ name2 = tuple_name(dim2, dim2_type);
+ if (!name1 ^ !name2)
+ return 0;
+ if (name1 && name1->name != name2->name)
+ return 0;
+ nested1 = nested(dim1, dim1_type);
+ nested2 = nested(dim2, dim2_type);
+ if (!nested1 ^ !nested2)
+ return 0;
+ if (nested1 && !isl_dim_equal(nested1, nested2))
+ return 0;
+ return 1;
+}
+
static int match(struct isl_dim *dim1, enum isl_dim_type dim1_type,
struct isl_dim *dim2, enum isl_dim_type dim2_type)
{
int i;
- if (n(dim1, dim1_type) != n(dim2, dim2_type))
+ if (!isl_dim_tuple_match(dim1, dim1_type, dim2, dim2_type))
return 0;
if (!dim1->names && !dim2->names)
return 1;
}
+int isl_dim_match(struct isl_dim *dim1, enum isl_dim_type dim1_type,
+ struct isl_dim *dim2, enum isl_dim_type dim2_type)
+{
+ return match(dim1, dim1_type, dim2, dim2_type);
+}
+
static void get_names(struct isl_dim *dim, enum isl_dim_type type,
unsigned first, unsigned n, struct isl_name **names)
{
names + nparam + n_in);
free(dim->names);
dim->names = names;
+ dim->n_name = nparam + n_in + n_out;
}
dim->nparam = nparam;
dim->n_in = n_in;
return NULL;
}
+struct isl_dim *isl_dim_add(struct isl_dim *dim, enum isl_dim_type type,
+ unsigned n)
+{
+ if (!dim)
+ return NULL;
+ dim = isl_dim_reset(dim, type);
+ switch (type) {
+ case isl_dim_param:
+ dim = isl_dim_extend(dim,
+ dim->nparam + n, dim->n_in, dim->n_out);
+ if (dim && dim->nested[0] &&
+ !(dim->nested[0] = isl_dim_add(dim->nested[0],
+ isl_dim_param, n)))
+ goto error;
+ if (dim && dim->nested[1] &&
+ !(dim->nested[1] = isl_dim_add(dim->nested[1],
+ isl_dim_param, n)))
+ goto error;
+ return dim;
+ case isl_dim_in:
+ return isl_dim_extend(dim,
+ dim->nparam, dim->n_in + n, dim->n_out);
+ case isl_dim_out:
+ return isl_dim_extend(dim,
+ dim->nparam, dim->n_in, dim->n_out + n);
+ default:
+ isl_die(dim->ctx, isl_error_invalid,
+ "cannot add dimensions of specified type", goto error);
+ }
+error:
+ isl_dim_free(dim);
+ return NULL;
+}
+
+static int valid_dim_type(enum isl_dim_type type)
+{
+ switch (type) {
+ case isl_dim_param:
+ case isl_dim_in:
+ case isl_dim_out:
+ return 1;
+ default:
+ return 0;
+ }
+}
+
+__isl_give isl_dim *isl_dim_insert(__isl_take isl_dim *dim,
+ enum isl_dim_type type, unsigned pos, unsigned n)
+{
+ struct isl_name **names = NULL;
+
+ if (!dim)
+ return NULL;
+ if (n == 0)
+ return isl_dim_reset(dim, type);
+
+ if (!valid_dim_type(type))
+ isl_die(dim->ctx, isl_error_invalid,
+ "cannot insert dimensions of specified type",
+ goto error);
+
+ isl_assert(dim->ctx, pos <= isl_dim_size(dim, type), goto error);
+
+ dim = isl_dim_cow(dim);
+ if (!dim)
+ return NULL;
+
+ if (dim->names) {
+ enum isl_dim_type t;
+ int off;
+ int s[3];
+ int *size = s - isl_dim_param;
+ names = isl_calloc_array(dim->ctx, struct isl_name *,
+ dim->nparam + dim->n_in + dim->n_out + n);
+ if (!names)
+ goto error;
+ off = 0;
+ size[isl_dim_param] = dim->nparam;
+ size[isl_dim_in] = dim->n_in;
+ size[isl_dim_out] = dim->n_out;
+ for (t = isl_dim_param; t <= isl_dim_out; ++t) {
+ if (t != type) {
+ get_names(dim, t, 0, size[t], names + off);
+ off += size[t];
+ } else {
+ get_names(dim, t, 0, pos, names + off);
+ off += pos + n;
+ get_names(dim, t, pos, size[t]-pos, names+off);
+ off += size[t] - pos;
+ }
+ }
+ free(dim->names);
+ dim->names = names;
+ dim->n_name = dim->nparam + dim->n_in + dim->n_out + n;
+ }
+ switch (type) {
+ case isl_dim_param: dim->nparam += n; break;
+ case isl_dim_in: dim->n_in += n; break;
+ case isl_dim_out: dim->n_out += n; break;
+ default: ;
+ }
+ dim = isl_dim_reset(dim, type);
+
+ return dim;
+error:
+ isl_dim_free(dim);
+ return NULL;
+}
+
+__isl_give isl_dim *isl_dim_move(__isl_take isl_dim *dim,
+ enum isl_dim_type dst_type, unsigned dst_pos,
+ enum isl_dim_type src_type, unsigned src_pos, unsigned n)
+{
+ int i;
+
+ if (!dim)
+ return NULL;
+ if (n == 0)
+ return dim;
+
+ isl_assert(dim->ctx, src_pos + n <= isl_dim_size(dim, src_type),
+ goto error);
+
+ if (dst_type == src_type && dst_pos == src_pos)
+ return dim;
+
+ isl_assert(dim->ctx, dst_type != src_type, goto error);
+
+ dim = isl_dim_reset(dim, src_type);
+ dim = isl_dim_reset(dim, dst_type);
+
+ dim = isl_dim_cow(dim);
+ if (!dim)
+ return NULL;
+
+ if (dim->names) {
+ struct isl_name **names;
+ enum isl_dim_type t;
+ int off;
+ int s[3];
+ int *size = s - isl_dim_param;
+ names = isl_calloc_array(dim->ctx, struct isl_name *,
+ dim->nparam + dim->n_in + dim->n_out);
+ if (!names)
+ goto error;
+ off = 0;
+ size[isl_dim_param] = dim->nparam;
+ size[isl_dim_in] = dim->n_in;
+ size[isl_dim_out] = dim->n_out;
+ for (t = isl_dim_param; t <= isl_dim_out; ++t) {
+ if (t == dst_type) {
+ get_names(dim, t, 0, dst_pos, names + off);
+ off += dst_pos;
+ get_names(dim, src_type, src_pos, n, names+off);
+ off += n;
+ get_names(dim, t, dst_pos, size[t] - dst_pos,
+ names + off);
+ off += size[t] - dst_pos;
+ } else if (t == src_type) {
+ get_names(dim, t, 0, src_pos, names + off);
+ off += src_pos;
+ get_names(dim, t, src_pos + n,
+ size[t] - src_pos - n, names + off);
+ off += size[t] - src_pos - n;
+ } else {
+ get_names(dim, t, 0, size[t], names + off);
+ off += size[t];
+ }
+ }
+ free(dim->names);
+ dim->names = names;
+ dim->n_name = dim->nparam + dim->n_in + dim->n_out;
+ }
+
+ switch (dst_type) {
+ case isl_dim_param: dim->nparam += n; break;
+ case isl_dim_in: dim->n_in += n; break;
+ case isl_dim_out: dim->n_out += n; break;
+ default: ;
+ }
+
+ switch (src_type) {
+ case isl_dim_param: dim->nparam -= n; break;
+ case isl_dim_in: dim->n_in -= n; break;
+ case isl_dim_out: dim->n_out -= n; break;
+ default: ;
+ }
+
+ if (dst_type != isl_dim_param && src_type != isl_dim_param)
+ return dim;
+
+ for (i = 0; i < 2; ++i) {
+ if (!dim->nested[i])
+ continue;
+ dim->nested[i] = isl_dim_replace(dim->nested[i],
+ isl_dim_param, dim);
+ if (!dim->nested[i])
+ goto error;
+ }
+
+ return dim;
+error:
+ isl_dim_free(dim);
+ return NULL;
+}
+
struct isl_dim *isl_dim_join(struct isl_dim *left, struct isl_dim *right)
{
struct isl_dim *dim;
isl_assert(left->ctx, match(left, isl_dim_param, right, isl_dim_param),
goto error);
- isl_assert(left->ctx, match(left, isl_dim_out, right, isl_dim_in),
- goto error);
+ isl_assert(left->ctx,
+ isl_dim_tuple_match(left, isl_dim_out, right, isl_dim_in),
+ goto error);
dim = isl_dim_alloc(left->ctx, left->nparam, left->n_in, right->n_out);
if (!dim)
goto error;
- dim = copy_names(dim, isl_dim_param, left, isl_dim_param);
- dim = copy_names(dim, isl_dim_in, left, isl_dim_in);
- dim = copy_names(dim, isl_dim_out, right, isl_dim_out);
+ dim = copy_names(dim, isl_dim_param, 0, left, isl_dim_param);
+ dim = copy_names(dim, isl_dim_in, 0, left, isl_dim_in);
+ dim = copy_names(dim, isl_dim_out, 0, right, isl_dim_out);
+
+ if (dim && left->tuple_name[0] &&
+ !(dim->tuple_name[0] = isl_name_copy(dim->ctx, left->tuple_name[0])))
+ goto error;
+ if (dim && right->tuple_name[1] &&
+ !(dim->tuple_name[1] = isl_name_copy(dim->ctx, right->tuple_name[1])))
+ goto error;
+ if (dim && left->nested[0] &&
+ !(dim->nested[0] = isl_dim_copy(left->nested[0])))
+ goto error;
+ if (dim && right->nested[1] &&
+ !(dim->nested[1] = isl_dim_copy(right->nested[1])))
+ goto error;
isl_dim_free(left);
isl_dim_free(right);
return NULL;
}
-struct isl_dim *isl_dim_map(struct isl_dim *dim)
+struct isl_dim *isl_dim_product(struct isl_dim *left, struct isl_dim *right)
+{
+ isl_dim *dom1, *dom2, *nest1, *nest2;
+
+ if (!left || !right)
+ goto error;
+
+ isl_assert(left->ctx, match(left, isl_dim_param, right, isl_dim_param),
+ goto error);
+
+ dom1 = isl_dim_domain(isl_dim_copy(left));
+ dom2 = isl_dim_domain(isl_dim_copy(right));
+ nest1 = isl_dim_wrap(isl_dim_join(isl_dim_reverse(dom1), dom2));
+
+ dom1 = isl_dim_range(left);
+ dom2 = isl_dim_range(right);
+ nest2 = isl_dim_wrap(isl_dim_join(isl_dim_reverse(dom1), dom2));
+
+ return isl_dim_join(isl_dim_reverse(nest1), nest2);
+error:
+ isl_dim_free(left);
+ isl_dim_free(right);
+ return NULL;
+}
+
+__isl_give isl_dim *isl_dim_range_product(__isl_take isl_dim *left,
+ __isl_take isl_dim *right)
+{
+ isl_dim *dom, *ran1, *ran2, *nest;
+
+ if (!left || !right)
+ goto error;
+
+ isl_assert(left->ctx, match(left, isl_dim_param, right, isl_dim_param),
+ goto error);
+ if (!isl_dim_match(left, isl_dim_in, right, isl_dim_in))
+ isl_die(left->ctx, isl_error_invalid,
+ "domains need to match", goto error);
+
+ dom = isl_dim_domain(isl_dim_copy(left));
+
+ ran1 = isl_dim_range(left);
+ ran2 = isl_dim_range(right);
+ nest = isl_dim_wrap(isl_dim_join(isl_dim_reverse(ran1), ran2));
+
+ return isl_dim_join(isl_dim_reverse(dom), nest);
+error:
+ isl_dim_free(left);
+ isl_dim_free(right);
+ return NULL;
+}
+
+__isl_give isl_dim *isl_dim_map_from_set(__isl_take isl_dim *dim)
{
struct isl_name **names = NULL;
if (!dim)
return NULL;
isl_assert(dim->ctx, dim->n_in == 0, goto error);
- if (dim->n_out == 0)
+ if (dim->n_out == 0 && !isl_dim_is_named_or_nested(dim, isl_dim_out))
return dim;
dim = isl_dim_cow(dim);
if (!dim)
}
dim->n_in = dim->n_out;
if (names) {
- copy_names(dim, isl_dim_out, dim, isl_dim_in);
free(dim->names);
dim->names = names;
+ dim->n_name = dim->nparam + dim->n_out + dim->n_out;
+ dim = copy_names(dim, isl_dim_out, 0, dim, isl_dim_in);
}
+ isl_name_free(dim->ctx, dim->tuple_name[0]);
+ dim->tuple_name[0] = isl_name_copy(dim->ctx, dim->tuple_name[1]);
+ isl_dim_free(dim->nested[0]);
+ dim->nested[0] = isl_dim_copy(dim->nested[1]);
return dim;
error:
isl_dim_free(dim);
struct isl_dim *isl_dim_reverse(struct isl_dim *dim)
{
unsigned t;
+ isl_dim *nested;
struct isl_name **names = NULL;
+ struct isl_name *name;
if (!dim)
return NULL;
if (!dim)
return NULL;
+ name = dim->tuple_name[0];
+ dim->tuple_name[0] = dim->tuple_name[1];
+ dim->tuple_name[1] = name;
+
+ nested = dim->nested[0];
+ dim->nested[0] = dim->nested[1];
+ dim->nested[1] = nested;
+
if (dim->names) {
names = isl_alloc_array(dim->ctx, struct isl_name *,
dim->n_in + dim->n_out);
return NULL;
}
-struct isl_dim *isl_dim_drop_inputs(struct isl_dim *dim,
- unsigned first, unsigned n)
+struct isl_dim *isl_dim_drop(struct isl_dim *dim, enum isl_dim_type type,
+ unsigned first, unsigned num)
{
int i;
if (!dim)
return NULL;
- if (n == 0)
- return dim;
+ if (num == 0)
+ return isl_dim_reset(dim, type);
- isl_assert(dim->ctx, first + n <= dim->n_in, goto error);
+ if (!valid_dim_type(type))
+ isl_die(dim->ctx, isl_error_invalid,
+ "cannot drop dimensions of specified type", goto error);
+
+ isl_assert(dim->ctx, first + num <= n(dim, type), goto error);
dim = isl_dim_cow(dim);
if (!dim)
goto error;
if (dim->names) {
- for (i = 0; i < n; ++i) {
- isl_name_free(dim->ctx,
- get_name(dim, isl_dim_in, first+i));
+ dim = extend_names(dim);
+ if (!dim)
+ goto error;
+ for (i = 0; i < num; ++i)
+ isl_name_free(dim->ctx, get_name(dim, type, first+i));
+ for (i = first+num; i < n(dim, type); ++i)
+ set_name(dim, type, i - num, get_name(dim, type, i));
+ switch (type) {
+ case isl_dim_param:
+ get_names(dim, isl_dim_in, 0, dim->n_in,
+ dim->names + offset(dim, isl_dim_in) - num);
+ case isl_dim_in:
+ get_names(dim, isl_dim_out, 0, dim->n_out,
+ dim->names + offset(dim, isl_dim_out) - num);
+ default:
+ ;
}
- for (i = first+n; i < dim->n_in; ++i)
- set_name(dim, isl_dim_in, i - n,
- get_name(dim, isl_dim_in, i));
- get_names(dim, isl_dim_out, 0, dim->n_out,
- dim->names + dim->nparam + dim->n_in - n);
+ dim->n_name -= num;
+ }
+ switch (type) {
+ case isl_dim_param: dim->nparam -= num; break;
+ case isl_dim_in: dim->n_in -= num; break;
+ case isl_dim_out: dim->n_out -= num; break;
+ default: ;
+ }
+ dim = isl_dim_reset(dim, type);
+ if (type == isl_dim_param) {
+ if (dim && dim->nested[0] &&
+ !(dim->nested[0] = isl_dim_drop(dim->nested[0],
+ isl_dim_param, first, num)))
+ goto error;
+ if (dim && dim->nested[1] &&
+ !(dim->nested[1] = isl_dim_drop(dim->nested[1],
+ isl_dim_param, first, num)))
+ goto error;
}
- dim->n_in -= n;
return dim;
error:
isl_dim_free(dim);
return NULL;
}
+struct isl_dim *isl_dim_drop_inputs(struct isl_dim *dim,
+ unsigned first, unsigned n)
+{
+ if (!dim)
+ return NULL;
+ return isl_dim_drop(dim, isl_dim_in, first, n);
+}
+
struct isl_dim *isl_dim_drop_outputs(struct isl_dim *dim,
unsigned first, unsigned n)
{
- int i;
+ if (!dim)
+ return NULL;
+ return isl_dim_drop(dim, isl_dim_out, first, n);
+}
+struct isl_dim *isl_dim_domain(struct isl_dim *dim)
+{
if (!dim)
return NULL;
+ dim = isl_dim_drop_outputs(dim, 0, dim->n_out);
+ return isl_dim_reverse(dim);
+}
- if (n == 0)
- return dim;
+__isl_give isl_dim *isl_dim_from_domain(__isl_take isl_dim *dim)
+{
+ return isl_dim_reverse(dim);
+}
- isl_assert(dim->ctx, first + n <= dim->n_out, goto error);
- dim = isl_dim_cow(dim);
+struct isl_dim *isl_dim_range(struct isl_dim *dim)
+{
if (!dim)
- goto error;
- if (dim->names) {
- for (i = 0; i < n; ++i) {
- isl_name_free(dim->ctx,
- get_name(dim, isl_dim_out, first+i));
- }
- for (i = first+n; i < dim->n_out; ++i)
- set_name(dim, isl_dim_out, i - n,
- get_name(dim, isl_dim_out, i));
- }
- dim->n_out -= n;
+ return NULL;
+ return isl_dim_drop_inputs(dim, 0, dim->n_in);
+}
+
+__isl_give isl_dim *isl_dim_from_range(__isl_take isl_dim *dim)
+{
return dim;
-error:
- isl_dim_free(dim);
- return NULL;
}
-struct isl_dim *isl_dim_domain(struct isl_dim *dim)
+__isl_give isl_dim *isl_dim_as_set_dim(__isl_take isl_dim *dim)
{
+ dim = isl_dim_cow(dim);
if (!dim)
return NULL;
- dim = isl_dim_drop_outputs(dim, 0, dim->n_out);
- return isl_dim_reverse(dim);
+
+ dim->n_out += dim->n_in;
+ dim->n_in = 0;
+ dim = isl_dim_reset(dim, isl_dim_in);
+ dim = isl_dim_reset(dim, isl_dim_out);
+
+ return dim;
}
struct isl_dim *isl_dim_underlying(struct isl_dim *dim, unsigned n_div)
return NULL;
if (n_div == 0 &&
dim->nparam == 0 && dim->n_in == 0 && dim->n_name == 0)
- return dim;
+ return isl_dim_reset(isl_dim_reset(dim, isl_dim_in), isl_dim_out);
dim = isl_dim_cow(dim);
if (!dim)
return NULL;
for (i = 0; i < dim->n_name; ++i)
isl_name_free(dim->ctx, get_name(dim, isl_dim_out, i));
dim->n_name = 0;
+ dim = isl_dim_reset(dim, isl_dim_in);
+ dim = isl_dim_reset(dim, isl_dim_out);
return dim;
}
unsigned isl_dim_total(struct isl_dim *dim)
{
- return dim->nparam + dim->n_in + dim->n_out;
+ return dim ? dim->nparam + dim->n_in + dim->n_out : 0;
}
int isl_dim_equal(struct isl_dim *dim1, struct isl_dim *dim2)
{
return match(dim1, isl_dim_param, dim2, isl_dim_param) &&
- match(dim1, isl_dim_in, dim2, isl_dim_in) &&
- match(dim1, isl_dim_out, dim2, isl_dim_out);
+ isl_dim_tuple_match(dim1, isl_dim_in, dim2, isl_dim_in) &&
+ isl_dim_tuple_match(dim1, isl_dim_out, dim2, isl_dim_out);
}
int isl_dim_compatible(struct isl_dim *dim1, struct isl_dim *dim2)
return dim1->nparam == dim2->nparam &&
dim1->n_in + dim1->n_out == dim2->n_in + dim2->n_out;
}
+
+static uint32_t isl_hash_dim(uint32_t hash, __isl_keep isl_dim *dim)
+{
+ int i;
+ struct isl_name *name;
+
+ if (!dim)
+ return hash;
+
+ hash = isl_hash_builtin(hash, dim->nparam);
+ hash = isl_hash_builtin(hash, dim->n_in);
+ hash = isl_hash_builtin(hash, dim->n_out);
+
+ for (i = 0; i < dim->nparam; ++i) {
+ name = get_name(dim, isl_dim_param, i);
+ hash = isl_hash_name(hash, name);
+ }
+
+ name = tuple_name(dim, isl_dim_in);
+ hash = isl_hash_name(hash, name);
+ name = tuple_name(dim, isl_dim_out);
+ hash = isl_hash_name(hash, name);
+
+ hash = isl_hash_dim(hash, dim->nested[0]);
+ hash = isl_hash_dim(hash, dim->nested[1]);
+
+ return hash;
+}
+
+uint32_t isl_dim_get_hash(__isl_keep isl_dim *dim)
+{
+ uint32_t hash;
+
+ if (!dim)
+ return 0;
+
+ hash = isl_hash_init();
+ hash = isl_hash_dim(hash, dim);
+
+ return hash;
+}
+
+int isl_dim_is_wrapping(__isl_keep isl_dim *dim)
+{
+ if (!dim)
+ return -1;
+
+ if (dim->n_in != 0 || dim->tuple_name[0] || dim->nested[0])
+ return 0;
+
+ return dim->nested[1] != NULL;
+}
+
+__isl_give isl_dim *isl_dim_wrap(__isl_take isl_dim *dim)
+{
+ isl_dim *wrap;
+
+ if (!dim)
+ return NULL;
+
+ wrap = isl_dim_alloc(dim->ctx, dim->nparam, 0, dim->n_in + dim->n_out);
+
+ wrap = copy_names(wrap, isl_dim_param, 0, dim, isl_dim_param);
+ wrap = copy_names(wrap, isl_dim_set, 0, dim, isl_dim_in);
+ wrap = copy_names(wrap, isl_dim_set, dim->n_in, dim, isl_dim_out);
+
+ if (!wrap)
+ goto error;
+
+ wrap->nested[1] = dim;
+
+ return wrap;
+error:
+ isl_dim_free(dim);
+ return NULL;
+}
+
+__isl_give isl_dim *isl_dim_unwrap(__isl_take isl_dim *dim)
+{
+ isl_dim *unwrap;
+
+ if (!dim)
+ return NULL;
+
+ if (!isl_dim_is_wrapping(dim))
+ isl_die(dim->ctx, isl_error_invalid, "not a wrapping dim",
+ goto error);
+
+ unwrap = isl_dim_copy(dim->nested[1]);
+ isl_dim_free(dim);
+
+ return unwrap;
+error:
+ isl_dim_free(dim);
+ return NULL;
+}
+
+int isl_dim_is_named_or_nested(__isl_keep isl_dim *dim, enum isl_dim_type type)
+{
+ if (type != isl_dim_in && type != isl_dim_out)
+ return 0;
+ if (!dim)
+ return -1;
+ if (dim->tuple_name[type - isl_dim_in])
+ return 1;
+ if (dim->nested[type - isl_dim_in])
+ return 1;
+ return 0;
+}
+
+int isl_dim_may_be_set(__isl_keep isl_dim *dim)
+{
+ if (!dim)
+ return -1;
+ if (isl_dim_size(dim, isl_dim_in) != 0)
+ return 0;
+ if (isl_dim_is_named_or_nested(dim, isl_dim_in))
+ return 0;
+ return 1;
+}
+
+__isl_give isl_dim *isl_dim_reset(__isl_take isl_dim *dim,
+ enum isl_dim_type type)
+{
+ if (!isl_dim_is_named_or_nested(dim, type))
+ return dim;
+
+ dim = isl_dim_cow(dim);
+ if (!dim)
+ return NULL;
+
+ isl_name_free(dim->ctx, dim->tuple_name[type - isl_dim_in]);
+ dim->tuple_name[type - isl_dim_in] = NULL;
+ isl_dim_free(dim->nested[type - isl_dim_in]);
+ dim->nested[type - isl_dim_in] = NULL;
+
+ return dim;
+}
+
+__isl_give isl_dim *isl_dim_flatten(__isl_take isl_dim *dim)
+{
+ if (!dim)
+ return NULL;
+ if (!dim->nested[0] && !dim->nested[1])
+ return dim;
+
+ if (dim->nested[0])
+ dim = isl_dim_reset(dim, isl_dim_in);
+ if (dim && dim->nested[1])
+ dim = isl_dim_reset(dim, isl_dim_out);
+
+ return dim;
+}
+
+__isl_give isl_dim *isl_dim_flatten_range(__isl_take isl_dim *dim)
+{
+ if (!dim)
+ return NULL;
+ if (!dim->nested[1])
+ return dim;
+
+ return isl_dim_reset(dim, isl_dim_out);
+}
+
+/* Replace the dimensions of the given type of dst by those of src.
+ */
+__isl_give isl_dim *isl_dim_replace(__isl_take isl_dim *dst,
+ enum isl_dim_type type, __isl_keep isl_dim *src)
+{
+ dst = isl_dim_cow(dst);
+
+ if (!dst || !src)
+ goto error;
+
+ dst = isl_dim_drop(dst, type, 0, isl_dim_size(dst, type));
+ dst = isl_dim_add(dst, type, isl_dim_size(src, type));
+ dst = copy_names(dst, type, 0, src, type);
+
+ if (dst && type == isl_dim_param) {
+ int i;
+ for (i = 0; i <= 1; ++i) {
+ if (!dst->nested[i])
+ continue;
+ dst->nested[i] = isl_dim_replace(dst->nested[i],
+ type, src);
+ if (!dst->nested[i])
+ goto error;
+ }
+ }
+
+ return dst;
+error:
+ isl_dim_free(dst);
+ return NULL;
+}
+
+/* Given a dimension specification "dim" of a set, create a dimension
+ * specification for the lift of the set. In particular, the result
+ * is of the form [dim -> local[..]], with n_local variables in the
+ * range of the wrapped map.
+ */
+__isl_give isl_dim *isl_dim_lift(__isl_take isl_dim *dim, unsigned n_local)
+{
+ isl_dim *local_dim;
+
+ if (!dim)
+ return NULL;
+
+ local_dim = isl_dim_dup(dim);
+ local_dim = isl_dim_drop(local_dim, isl_dim_set, 0, dim->n_out);
+ local_dim = isl_dim_add(local_dim, isl_dim_set, n_local);
+ local_dim = isl_dim_set_tuple_name(local_dim, isl_dim_set, "local");
+ dim = isl_dim_join(isl_dim_from_domain(dim),
+ isl_dim_from_range(local_dim));
+ dim = isl_dim_wrap(dim);
+ dim = isl_dim_set_tuple_name(dim, isl_dim_set, "lifted");
+
+ return dim;
+}
+
+int isl_dim_can_zip(__isl_keep isl_dim *dim)
+{
+ if (!dim)
+ return -1;
+
+ return dim->nested[0] && dim->nested[1];
+}
+
+__isl_give isl_dim *isl_dim_zip(__isl_take isl_dim *dim)
+{
+ isl_dim *dom, *ran;
+ isl_dim *dom_dom, *dom_ran, *ran_dom, *ran_ran;
+
+ if (!isl_dim_can_zip(dim))
+ isl_die(dim->ctx, isl_error_invalid, "dim cannot be zipped",
+ goto error);
+
+ if (!dim)
+ return 0;
+ dom = isl_dim_unwrap(isl_dim_domain(isl_dim_copy(dim)));
+ ran = isl_dim_unwrap(isl_dim_range(dim));
+ dom_dom = isl_dim_domain(isl_dim_copy(dom));
+ dom_ran = isl_dim_range(dom);
+ ran_dom = isl_dim_domain(isl_dim_copy(ran));
+ ran_ran = isl_dim_range(ran);
+ dom = isl_dim_join(isl_dim_from_domain(dom_dom),
+ isl_dim_from_range(ran_dom));
+ ran = isl_dim_join(isl_dim_from_domain(dom_ran),
+ isl_dim_from_range(ran_ran));
+ return isl_dim_join(isl_dim_from_domain(isl_dim_wrap(dom)),
+ isl_dim_from_range(isl_dim_wrap(ran)));
+error:
+ isl_dim_free(dim);
+ return NULL;
+}
+
+int isl_dim_has_named_params(__isl_keep isl_dim *dim)
+{
+ int i;
+ unsigned off;
+
+ if (!dim)
+ return -1;
+ if (dim->nparam == 0)
+ return 1;
+ off = isl_dim_offset(dim, isl_dim_param);
+ if (off + dim->nparam > dim->n_name)
+ return 0;
+ for (i = 0; i < dim->nparam; ++i)
+ if (!dim->names[off + i])
+ return 0;
+ return 1;
+}
+
+/* Align the initial parameters of dim1 to match the order in dim2.
+ */
+__isl_give isl_dim *isl_dim_align_params(__isl_take isl_dim *dim1,
+ __isl_take isl_dim *dim2)
+{
+ isl_reordering *exp;
+
+ if (!isl_dim_has_named_params(dim1) || !isl_dim_has_named_params(dim2))
+ isl_die(isl_dim_get_ctx(dim1), isl_error_invalid,
+ "parameter alignment requires named parameters",
+ goto error);
+
+ exp = isl_parameter_alignment_reordering(dim1, dim2);
+ isl_dim_free(dim1);
+ isl_dim_free(dim2);
+ if (!exp)
+ return NULL;
+ dim1 = isl_dim_copy(exp->dim);
+ isl_reordering_free(exp);
+ return dim1;
+error:
+ isl_dim_free(dim1);
+ isl_dim_free(dim2);
+ return NULL;
+}
projects / platform / upstream / isl.git / blobdiff