xref: /llvm-project/clang/test/Frontend/fixed_point_bit_widths.c (revision 34c4a0fa2b9c2181bfdbd3009e7956a50a28dab6)
1 // RUN: %clang -x c -ffixed-point -S -emit-llvm -o - %s | FileCheck %s
2 // RUN: %clang -x c -ffixed-point -S -emit-llvm -o - --target=x86_64-scei-ps4 %s | FileCheck %s
3 // RUN: %clang -x c -ffixed-point -S -emit-llvm -o - --target=ppc64 %s | FileCheck %s
4 // RUN: %clang -x c -ffixed-point -S -emit-llvm -o - --target=x86_64-scei-ps4 %s | FileCheck %s
5 
6 /* Primary signed _Accum */
7 
8 int size_SsA = sizeof(signed short _Accum);
9 int size_SA  = sizeof(signed _Accum);
10 int size_SlA = sizeof(signed long _Accum);
11 int align_SsA = __alignof(signed short _Accum);
12 int align_SA  = __alignof(signed _Accum);
13 int align_SlA = __alignof(signed long _Accum);
14 
15 // CHECK:      @size_SsA  = {{.*}}global i{{[0-9]+}} 2
16 // CHECK-NEXT: @size_SA   = {{.*}}global i{{[0-9]+}} 4
17 // CHECK-NEXT: @size_SlA  = {{.*}}global i{{[0-9]+}} 8
18 // CHECK-NEXT: @align_SsA = {{.*}}global i{{[0-9]+}} 2
19 // CHECK-NEXT: @align_SA  = {{.*}}global i{{[0-9]+}} 4
20 // CHECK-NEXT: @align_SlA = {{.*}}global i{{[0-9]+}} 8
21 
22 /* Primary unsigned _Accum */
23 
24 int size_UsA = sizeof(unsigned short _Accum);
25 int size_UA  = sizeof(unsigned _Accum);
26 int size_UlA = sizeof(unsigned long _Accum);
27 int align_UsA = __alignof(unsigned short _Accum);
28 int align_UA  = __alignof(unsigned _Accum);
29 int align_UlA = __alignof(unsigned long _Accum);
30 
31 // CHECK-NEXT: @size_UsA  = {{.*}}global i{{[0-9]+}} 2
32 // CHECK-NEXT: @size_UA   = {{.*}}global i{{[0-9]+}} 4
33 // CHECK-NEXT: @size_UlA  = {{.*}}global i{{[0-9]+}} 8
34 // CHECK-NEXT: @align_UsA = {{.*}}global i{{[0-9]+}} 2
35 // CHECK-NEXT: @align_UA  = {{.*}}global i{{[0-9]+}} 4
36 // CHECK-NEXT: @align_UlA = {{.*}}global i{{[0-9]+}} 8
37 
38 /* Primary signed _Fract */
39 
40 int size_SsF = sizeof(signed short _Fract);
41 int size_SF  = sizeof(signed _Fract);
42 int size_SlF = sizeof(signed long _Fract);
43 int align_SsF = __alignof(signed short _Fract);
44 int align_SF  = __alignof(signed _Fract);
45 int align_SlF = __alignof(signed long _Fract);
46 
47 // CHECK-NEXT: @size_SsF  = {{.*}}global i{{[0-9]+}} 1
48 // CHECK-NEXT: @size_SF   = {{.*}}global i{{[0-9]+}} 2
49 // CHECK-NEXT: @size_SlF  = {{.*}}global i{{[0-9]+}} 4
50 // CHECK-NEXT: @align_SsF = {{.*}}global i{{[0-9]+}} 1
51 // CHECK-NEXT: @align_SF  = {{.*}}global i{{[0-9]+}} 2
52 // CHECK-NEXT: @align_SlF = {{.*}}global i{{[0-9]+}} 4
53 
54 /* Primary unsigned _Fract */
55 
56 int size_UsF = sizeof(unsigned short _Fract);
57 int size_UF  = sizeof(unsigned _Fract);
58 int size_UlF = sizeof(unsigned long _Fract);
59 int align_UsF = __alignof(unsigned short _Fract);
60 int align_UF  = __alignof(unsigned _Fract);
61 int align_UlF = __alignof(unsigned long _Fract);
62 
63 // CHECK-NEXT: @size_UsF  = {{.*}}global i{{[0-9]+}} 1
64 // CHECK-NEXT: @size_UF   = {{.*}}global i{{[0-9]+}} 2
65 // CHECK-NEXT: @size_UlF  = {{.*}}global i{{[0-9]+}} 4
66 // CHECK-NEXT: @align_UsF = {{.*}}global i{{[0-9]+}} 1
67 // CHECK-NEXT: @align_UF  = {{.*}}global i{{[0-9]+}} 2
68 // CHECK-NEXT: @align_UlF = {{.*}}global i{{[0-9]+}} 4
69 
70 /* Aliased _Accum */
71 
72 int size_sA = sizeof(short _Accum);
73 int size_A  = sizeof(_Accum);
74 int size_lA = sizeof(long _Accum);
75 int align_sA = __alignof(short _Accum);
76 int align_A  = __alignof(_Accum);
77 int align_lA = __alignof(long _Accum);
78 
79 // CHECK-NEXT: @size_sA   = {{.*}}global i{{[0-9]+}} 2
80 // CHECK-NEXT: @size_A    = {{.*}}global i{{[0-9]+}} 4
81 // CHECK-NEXT: @size_lA   = {{.*}}global i{{[0-9]+}} 8
82 // CHECK-NEXT: @align_sA  = {{.*}}global i{{[0-9]+}} 2
83 // CHECK-NEXT: @align_A   = {{.*}}global i{{[0-9]+}} 4
84 // CHECK-NEXT: @align_lA  = {{.*}}global i{{[0-9]+}} 8
85 
86 /* Aliased _Fract */
87 
88 int size_sF = sizeof(short _Fract);
89 int size_F  = sizeof(_Fract);
90 int size_lF = sizeof(long _Fract);
91 int align_sF = __alignof(short _Fract);
92 int align_F  = __alignof(_Fract);
93 int align_lF = __alignof(long _Fract);
94 
95 // CHECK-NEXT: @size_sF   = {{.*}}global i{{[0-9]+}} 1
96 // CHECK-NEXT: @size_F    = {{.*}}global i{{[0-9]+}} 2
97 // CHECK-NEXT: @size_lF   = {{.*}}global i{{[0-9]+}} 4
98 // CHECK-NEXT: @align_sF  = {{.*}}global i{{[0-9]+}} 1
99 // CHECK-NEXT: @align_F   = {{.*}}global i{{[0-9]+}} 2
100 // CHECK-NEXT: @align_lF  = {{.*}}global i{{[0-9]+}} 4
101 
102 /* Saturated signed _Accum */
103 
104 int size_SatSsA = sizeof(_Sat signed short _Accum);
105 int size_SatSA  = sizeof(_Sat signed _Accum);
106 int size_SatSlA = sizeof(_Sat signed long _Accum);
107 int align_SatSsA = __alignof(_Sat signed short _Accum);
108 int align_SatSA  = __alignof(_Sat signed _Accum);
109 int align_SatSlA = __alignof(_Sat signed long _Accum);
110 
111 // CHECK:      @size_SatSsA  = {{.*}}global i{{[0-9]+}} 2
112 // CHECK-NEXT: @size_SatSA   = {{.*}}global i{{[0-9]+}} 4
113 // CHECK-NEXT: @size_SatSlA  = {{.*}}global i{{[0-9]+}} 8
114 // CHECK-NEXT: @align_SatSsA = {{.*}}global i{{[0-9]+}} 2
115 // CHECK-NEXT: @align_SatSA  = {{.*}}global i{{[0-9]+}} 4
116 // CHECK-NEXT: @align_SatSlA = {{.*}}global i{{[0-9]+}} 8
117 
118 /* Saturated unsigned _Accum */
119 
120 int size_SatUsA = sizeof(_Sat unsigned short _Accum);
121 int size_SatUA  = sizeof(_Sat unsigned _Accum);
122 int size_SatUlA = sizeof(_Sat unsigned long _Accum);
123 int align_SatUsA = __alignof(_Sat unsigned short _Accum);
124 int align_SatUA  = __alignof(_Sat unsigned _Accum);
125 int align_SatUlA = __alignof(_Sat unsigned long _Accum);
126 
127 // CHECK-NEXT: @size_SatUsA  = {{.*}}global i{{[0-9]+}} 2
128 // CHECK-NEXT: @size_SatUA   = {{.*}}global i{{[0-9]+}} 4
129 // CHECK-NEXT: @size_SatUlA  = {{.*}}global i{{[0-9]+}} 8
130 // CHECK-NEXT: @align_SatUsA = {{.*}}global i{{[0-9]+}} 2
131 // CHECK-NEXT: @align_SatUA  = {{.*}}global i{{[0-9]+}} 4
132 // CHECK-NEXT: @align_SatUlA = {{.*}}global i{{[0-9]+}} 8
133 
134 /* Saturated signed _Fract */
135 
136 int size_SatSsF = sizeof(_Sat signed short _Fract);
137 int size_SatSF  = sizeof(_Sat signed _Fract);
138 int size_SatSlF = sizeof(_Sat signed long _Fract);
139 int align_SatSsF = __alignof(_Sat signed short _Fract);
140 int align_SatSF  = __alignof(_Sat signed _Fract);
141 int align_SatSlF = __alignof(_Sat signed long _Fract);
142 
143 // CHECK-NEXT: @size_SatSsF  = {{.*}}global i{{[0-9]+}} 1
144 // CHECK-NEXT: @size_SatSF   = {{.*}}global i{{[0-9]+}} 2
145 // CHECK-NEXT: @size_SatSlF  = {{.*}}global i{{[0-9]+}} 4
146 // CHECK-NEXT: @align_SatSsF = {{.*}}global i{{[0-9]+}} 1
147 // CHECK-NEXT: @align_SatSF  = {{.*}}global i{{[0-9]+}} 2
148 // CHECK-NEXT: @align_SatSlF = {{.*}}global i{{[0-9]+}} 4
149 
150 /* Saturated unsigned _Fract */
151 
152 int size_SatUsF = sizeof(_Sat unsigned short _Fract);
153 int size_SatUF  = sizeof(_Sat unsigned _Fract);
154 int size_SatUlF = sizeof(_Sat unsigned long _Fract);
155 int align_SatUsF = __alignof(_Sat unsigned short _Fract);
156 int align_SatUF  = __alignof(_Sat unsigned _Fract);
157 int align_SatUlF = __alignof(_Sat unsigned long _Fract);
158 
159 // CHECK-NEXT: @size_SatUsF  = {{.*}}global i{{[0-9]+}} 1
160 // CHECK-NEXT: @size_SatUF   = {{.*}}global i{{[0-9]+}} 2
161 // CHECK-NEXT: @size_SatUlF  = {{.*}}global i{{[0-9]+}} 4
162 // CHECK-NEXT: @align_SatUsF = {{.*}}global i{{[0-9]+}} 1
163 // CHECK-NEXT: @align_SatUF  = {{.*}}global i{{[0-9]+}} 2
164 // CHECK-NEXT: @align_SatUlF = {{.*}}global i{{[0-9]+}} 4
165 
166 /* Aliased saturated signed _Accum */
167 
168 int size_SatsA = sizeof(_Sat short _Accum);
169 int size_SatA  = sizeof(_Sat _Accum);
170 int size_SatlA = sizeof(_Sat long _Accum);
171 int align_SatsA = __alignof(_Sat short _Accum);
172 int align_SatA  = __alignof(_Sat _Accum);
173 int align_SatlA = __alignof(_Sat long _Accum);
174 
175 // CHECK-NEXT: @size_SatsA   = {{.*}}global i{{[0-9]+}} 2
176 // CHECK-NEXT: @size_SatA    = {{.*}}global i{{[0-9]+}} 4
177 // CHECK-NEXT: @size_SatlA   = {{.*}}global i{{[0-9]+}} 8
178 // CHECK-NEXT: @align_SatsA  = {{.*}}global i{{[0-9]+}} 2
179 // CHECK-NEXT: @align_SatA   = {{.*}}global i{{[0-9]+}} 4
180 // CHECK-NEXT: @align_SatlA  = {{.*}}global i{{[0-9]+}} 8
181 
182 /* Aliased saturated _Fract */
183 
184 int size_SatsF = sizeof(_Sat short _Fract);
185 int size_SatF  = sizeof(_Sat _Fract);
186 int size_SatlF = sizeof(_Sat long _Fract);
187 int align_SatsF = __alignof(_Sat short _Fract);
188 int align_SatF  = __alignof(_Sat _Fract);
189 int align_SatlF = __alignof(_Sat long _Fract);
190 
191 // CHECK-NEXT: @size_SatsF   = {{.*}}global i{{[0-9]+}} 1
192 // CHECK-NEXT: @size_SatF    = {{.*}}global i{{[0-9]+}} 2
193 // CHECK-NEXT: @size_SatlF   = {{.*}}global i{{[0-9]+}} 4
194 // CHECK-NEXT: @align_SatsF  = {{.*}}global i{{[0-9]+}} 1
195 // CHECK-NEXT: @align_SatF   = {{.*}}global i{{[0-9]+}} 2
196 // CHECK-NEXT: @align_SatlF  = {{.*}}global i{{[0-9]+}} 4
197