File: | build/source/polly/lib/External/isl/isl_pw_add_disjoint_templ.c |
Warning: | line 60, column 2 Value stored to 'ctx' is never read |
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1 | /* |
2 | * Copyright 2010 INRIA Saclay |
3 | * Copyright 2011 Sven Verdoolaege |
4 | * |
5 | * Use of this software is governed by the MIT license |
6 | * |
7 | * Written by Sven Verdoolaege, INRIA Saclay - Ile-de-France, |
8 | * Parc Club Orsay Universite, ZAC des vignes, 4 rue Jacques Monod, |
9 | * 91893 Orsay, France |
10 | */ |
11 | |
12 | #include <isl_pw_macro.h> |
13 | |
14 | /* Make sure "pw" has room for at least "n" more pieces. |
15 | * |
16 | * If there is only one reference to pw, we extend it in place. |
17 | * Otherwise, we create a new PW and copy the pieces. |
18 | */ |
19 | static __isl_give PWisl_pw_union_pw_aff *FN(PW,grow)isl_pw_union_pw_aff_grow(__isl_take PWisl_pw_union_pw_aff *pw, int n) |
20 | { |
21 | int i; |
22 | isl_ctx *ctx; |
23 | PWisl_pw_union_pw_aff *res; |
24 | |
25 | if (!pw) |
26 | return NULL((void*)0); |
27 | if (pw->n + n <= pw->size) |
28 | return pw; |
29 | ctx = FN(PW,get_ctx)isl_pw_union_pw_aff_get_ctx(pw); |
30 | n += pw->n; |
31 | if (pw->ref == 1) { |
32 | res = isl_realloc(ctx, pw, struct PW,((struct isl_pw_union_pw_aff *)isl_realloc_or_die(ctx, pw, sizeof (struct isl_pw_union_pw_aff) + (n - 1) * sizeof(struct isl_pw_union_pw_aff_piece ))) |
33 | sizeof(struct PW) + (n - 1) * sizeof(S(PW,piece)))((struct isl_pw_union_pw_aff *)isl_realloc_or_die(ctx, pw, sizeof (struct isl_pw_union_pw_aff) + (n - 1) * sizeof(struct isl_pw_union_pw_aff_piece ))); |
34 | if (!res) |
35 | return FN(PW,free)isl_pw_union_pw_aff_free(pw); |
36 | res->size = n; |
37 | return res; |
38 | } |
39 | res = FN(PW,alloc_size)isl_pw_union_pw_aff_alloc_size(isl_space_copy(pw->dim) OPT_TYPE_ARG(pw->), n); |
40 | if (!res) |
41 | return FN(PW,free)isl_pw_union_pw_aff_free(pw); |
42 | for (i = 0; i < pw->n; ++i) |
43 | res = FN(PW,add_piece)isl_pw_union_pw_aff_add_piece(res, isl_set_copy(pw->p[i].set), |
44 | FN(EL,copy)isl_union_pw_aff_copy(pw->p[i].FIELDmaff)); |
45 | FN(PW,free)isl_pw_union_pw_aff_free(pw); |
46 | return res; |
47 | } |
48 | |
49 | __isl_give PWisl_pw_union_pw_aff *FN(PW,add_disjoint)isl_pw_union_pw_aff_add_disjoint(__isl_take PWisl_pw_union_pw_aff *pw1, __isl_take PWisl_pw_union_pw_aff *pw2) |
50 | { |
51 | int i; |
52 | isl_ctx *ctx; |
53 | |
54 | if (FN(PW,align_params_bin)isl_pw_union_pw_aff_align_params_bin(&pw1, &pw2) < 0) |
55 | goto error; |
56 | |
57 | if (pw1->size < pw1->n + pw2->n && pw1->n < pw2->n) |
58 | return FN(PW,add_disjoint)isl_pw_union_pw_aff_add_disjoint(pw2, pw1); |
59 | |
60 | ctx = isl_space_get_ctx(pw1->dim); |
Value stored to 'ctx' is never read | |
61 | if (!OPT_EQUAL_TYPES(pw1->, pw2->)1) |
62 | isl_die(ctx, isl_error_invalid,do { isl_handle_error(ctx, isl_error_invalid, "fold types don't match" , "polly/lib/External/isl/isl_pw_add_disjoint_templ.c", 63); goto error; } while (0) |
63 | "fold types don't match", goto error)do { isl_handle_error(ctx, isl_error_invalid, "fold types don't match" , "polly/lib/External/isl/isl_pw_add_disjoint_templ.c", 63); goto error; } while (0); |
64 | if (FN(PW,check_equal_space)isl_pw_union_pw_aff_check_equal_space(pw1, pw2) < 0) |
65 | goto error; |
66 | |
67 | if (FN(PW,IS_ZERO)isl_pw_union_pw_aff_is_empty(pw1)) { |
68 | FN(PW,free)isl_pw_union_pw_aff_free(pw1); |
69 | return pw2; |
70 | } |
71 | |
72 | if (FN(PW,IS_ZERO)isl_pw_union_pw_aff_is_empty(pw2)) { |
73 | FN(PW,free)isl_pw_union_pw_aff_free(pw2); |
74 | return pw1; |
75 | } |
76 | |
77 | pw1 = FN(PW,grow)isl_pw_union_pw_aff_grow(pw1, pw2->n); |
78 | if (!pw1) |
79 | goto error; |
80 | |
81 | for (i = 0; i < pw2->n; ++i) |
82 | pw1 = FN(PW,add_piece)isl_pw_union_pw_aff_add_piece(pw1, |
83 | isl_set_copy(pw2->p[i].set), |
84 | FN(EL,copy)isl_union_pw_aff_copy(pw2->p[i].FIELDmaff)); |
85 | |
86 | FN(PW,free)isl_pw_union_pw_aff_free(pw2); |
87 | |
88 | return pw1; |
89 | error: |
90 | FN(PW,free)isl_pw_union_pw_aff_free(pw1); |
91 | FN(PW,free)isl_pw_union_pw_aff_free(pw2); |
92 | return NULL((void*)0); |
93 | } |