1// RUN: %clang_cc1 -triple armv7-apple-darwin -target-abi aapcs -emit-llvm -o - %s | FileCheck %s
2// RUN: %clang_cc1 -triple armv7-apple-darwin -target-abi apcs-gnu -emit-llvm -o - %s | FileCheck -check-prefix=APCS-GNU %s
3// RUN: %clang_cc1 -triple arm-linux-androideabi -emit-llvm -o - %s | FileCheck -check-prefix=ANDROID %s
4
5#include <stdarg.h>
6
7typedef __attribute__(( ext_vector_type(2) ))  int __int2;
8typedef __attribute__(( ext_vector_type(3) ))  char __char3;
9typedef __attribute__(( ext_vector_type(5) ))  char __char5;
10typedef __attribute__(( ext_vector_type(9) ))  char __char9;
11typedef __attribute__(( ext_vector_type(19) )) char __char19;
12typedef __attribute__(( ext_vector_type(3) ))  short __short3;
13typedef __attribute__(( ext_vector_type(5) ))  short __short5;
14
15// Passing legal vector types as varargs.
16double varargs_vec_2i(int fixed, ...) {
17// CHECK: varargs_vec_2i
18// CHECK: [[VAR:%.*]] = alloca <2 x i32>, align 8
19// CHECK: [[ALIGN:%.*]] = and i32 {{%.*}}, -8
20// CHECK: [[AP_ALIGN:%.*]] = inttoptr i32 [[ALIGN]] to i8*
21// CHECK: [[AP_NEXT:%.*]] = getelementptr inbounds i8, i8* [[AP_ALIGN]], i32 8
22// CHECK: [[AP_CAST:%.*]] = bitcast i8* [[AP_ALIGN]] to <2 x i32>*
23// CHECK: [[VEC:%.*]] = load <2 x i32>, <2 x i32>* [[AP_CAST]], align 8
24// CHECK: store <2 x i32> [[VEC]], <2 x i32>* [[VAR]], align 8
25// APCS-GNU: varargs_vec_2i
26// APCS-GNU: [[VAR:%.*]] = alloca <2 x i32>, align 8
27// APCS-GNU: [[AP:%.*]] = load i8*,
28// APCS-GNU: [[AP_NEXT:%.*]] = getelementptr inbounds i8, i8* [[AP]], i32 8
29// APCS-GNU: [[AP_CAST:%.*]] = bitcast i8* [[AP]] to <2 x i32>*
30// APCS-GNU: [[VEC:%.*]] = load <2 x i32>, <2 x i32>* [[AP_CAST]], align 4
31// APCS-GNU: store <2 x i32> [[VEC]], <2 x i32>* [[VAR]], align 8
32// ANDROID: varargs_vec_2i
33// ANDROID: [[VAR:%.*]] = alloca <2 x i32>, align 8
34// ANDROID: [[ALIGN:%.*]] = and i32 {{%.*}}, -8
35// ANDROID: [[AP_ALIGN:%.*]] = inttoptr i32 [[ALIGN]] to i8*
36// ANDROID: [[AP_NEXT:%.*]] = getelementptr inbounds i8, i8* [[AP_ALIGN]], i32 8
37// ANDROID: [[AP_CAST:%.*]] = bitcast i8* [[AP_ALIGN]] to <2 x i32>*
38// ANDROID: [[VEC:%.*]] = load <2 x i32>, <2 x i32>* [[AP_CAST]], align 8
39// ANDROID: store <2 x i32> [[VEC]], <2 x i32>* [[VAR]], align 8
40  va_list ap;
41  double sum = fixed;
42  va_start(ap, fixed);
43  __int2 c3 = va_arg(ap, __int2);
44  sum = sum + c3.x + c3.y;
45  va_end(ap);
46  return sum;
47}
48
49double test_2i(__int2 *in) {
50// CHECK: test_2i
51// CHECK: call arm_aapcscc double (i32, ...) @varargs_vec_2i(i32 3, <2 x i32> {{%.*}})
52// APCS-GNU: test_2i
53// APCS-GNU: call double (i32, ...) @varargs_vec_2i(i32 3, <2 x i32> {{%.*}})
54// ANDROID: test_2i
55// ANDROID: call double (i32, ...) @varargs_vec_2i(i32 3, <2 x i32> {{%.*}})
56  return varargs_vec_2i(3, *in);
57}
58
59double varargs_vec_3c(int fixed, ...) {
60// CHECK: varargs_vec_3c
61// CHECK: alloca <3 x i8>, align 4
62// CHECK: [[AP_NEXT:%.*]] = getelementptr inbounds i8, i8* [[AP:%.*]], i32 4
63// CHECK: bitcast i8* [[AP]] to <3 x i8>*
64// APCS-GNU: varargs_vec_3c
65// APCS-GNU: alloca <3 x i8>, align 4
66// APCS-GNU: [[AP_NEXT:%.*]] = getelementptr inbounds i8, i8* [[AP:%.*]], i32 4
67// APCS-GNU: bitcast i8* [[AP]] to <3 x i8>*
68// ANDROID: varargs_vec_3c
69// ANDROID: alloca <3 x i8>, align 4
70// ANDROID: [[AP_NEXT:%.*]] = getelementptr inbounds i8, i8* [[AP:%.*]], i32 4
71// ANDROID: bitcast i8* [[AP]] to <3 x i8>*
72  va_list ap;
73  double sum = fixed;
74  va_start(ap, fixed);
75  __char3 c3 = va_arg(ap, __char3);
76  sum = sum + c3.x + c3.y;
77  va_end(ap);
78  return sum;
79}
80
81double test_3c(__char3 *in) {
82// CHECK: test_3c
83// CHECK: call arm_aapcscc double (i32, ...) @varargs_vec_3c(i32 3, i32 {{%.*}})
84// APCS-GNU: test_3c
85// APCS-GNU: call double (i32, ...) @varargs_vec_3c(i32 3, i32 {{%.*}})
86// ANDROID: test_3c
87// ANDROID: call double (i32, ...) @varargs_vec_3c(i32 3, <3 x i8> {{%.*}})
88  return varargs_vec_3c(3, *in);
89}
90
91double varargs_vec_5c(int fixed, ...) {
92// CHECK: varargs_vec_5c
93// CHECK: [[VAR:%.*]] = alloca <5 x i8>, align 8
94// CHECK: [[ALIGN:%.*]] = and i32 {{%.*}}, -8
95// CHECK: [[AP_ALIGN:%.*]] = inttoptr i32 [[ALIGN]] to i8*
96// CHECK: [[AP_NEXT:%.*]] = getelementptr inbounds i8, i8* [[AP_ALIGN]], i32 8
97// CHECK: [[AP_CAST:%.*]] = bitcast i8* [[AP_ALIGN]] to <5 x i8>*
98// CHECK: [[VEC:%.*]] = load <5 x i8>, <5 x i8>* [[AP_CAST]], align 8
99// CHECK: store <5 x i8> [[VEC]], <5 x i8>* [[VAR]], align 8
100// APCS-GNU: varargs_vec_5c
101// APCS-GNU: [[VAR:%.*]] = alloca <5 x i8>, align 8
102// APCS-GNU: [[AP:%.*]] = load i8*,
103// APCS-GNU: [[AP_NEXT:%.*]] = getelementptr inbounds i8, i8* [[AP]], i32 8
104// APCS-GNU: [[AP_CAST:%.*]] = bitcast i8* [[AP]] to <5 x i8>*
105// APCS-GNU: [[VEC:%.*]] = load <5 x i8>, <5 x i8>* [[AP_CAST]], align 4
106// APCS-GNU: store <5 x i8> [[VEC]], <5 x i8>* [[VAR]], align 8
107// ANDROID: varargs_vec_5c
108// ANDROID: [[VAR:%.*]] = alloca <5 x i8>, align 8
109// ANDROID: [[ALIGN:%.*]] = and i32 {{%.*}}, -8
110// ANDROID: [[AP_ALIGN:%.*]] = inttoptr i32 [[ALIGN]] to i8*
111// ANDROID: [[AP_NEXT:%.*]] = getelementptr inbounds i8, i8* [[AP_ALIGN]], i32 8
112// ANDROID: [[AP_CAST:%.*]] = bitcast i8* [[AP_ALIGN]] to <5 x i8>*
113// ANDROID: [[VEC:%.*]] = load <5 x i8>, <5 x i8>* [[AP_CAST]], align 8
114// ANDROID: store <5 x i8> [[VEC]], <5 x i8>* [[VAR]], align 8
115  va_list ap;
116  double sum = fixed;
117  va_start(ap, fixed);
118  __char5 c5 = va_arg(ap, __char5);
119  sum = sum + c5.x + c5.y;
120  va_end(ap);
121  return sum;
122}
123
124double test_5c(__char5 *in) {
125// CHECK: test_5c
126// CHECK: call arm_aapcscc double (i32, ...) @varargs_vec_5c(i32 5, <2 x i32> {{%.*}})
127// APCS-GNU: test_5c
128// APCS-GNU: call double (i32, ...) @varargs_vec_5c(i32 5, <2 x i32> {{%.*}})
129// ANDROID: test_5c
130// ANDROID: call double (i32, ...) @varargs_vec_5c(i32 5, <2 x i32> {{%.*}})
131  return varargs_vec_5c(5, *in);
132}
133
134double varargs_vec_9c(int fixed, ...) {
135// CHECK: varargs_vec_9c
136// CHECK: [[VAR:%.*]] = alloca <9 x i8>, align 16
137// CHECK: [[ALIGN:%.*]] = and i32 {{%.*}}, -8
138// CHECK: [[AP_ALIGN:%.*]] = inttoptr i32 [[ALIGN]] to i8*
139// CHECK: [[AP_NEXT:%.*]] = getelementptr inbounds i8, i8* [[AP_ALIGN]], i32 16
140// CHECK: [[AP_CAST:%.*]] = bitcast i8* [[AP_ALIGN]] to <9 x i8>*
141// CHECK: [[T0:%.*]] = load <9 x i8>, <9 x i8>* [[AP_CAST]], align 8
142// CHECK: store <9 x i8> [[T0]], <9 x i8>* [[VAR]], align 16
143// APCS-GNU: varargs_vec_9c
144// APCS-GNU: [[VAR:%.*]] = alloca <9 x i8>, align 16
145// APCS-GNU: [[AP:%.*]] = load i8*,
146// APCS-GNU: [[AP_NEXT:%.*]] = getelementptr inbounds i8, i8* [[AP]], i32 16
147// APCS-GNU: [[AP_CAST:%.*]] = bitcast i8* [[AP]] to <9 x i8>*
148// APCS-GNU: [[VEC:%.*]] = load <9 x i8>, <9 x i8>* [[AP_CAST]], align 4
149// APCS-GNU: store <9 x i8> [[VEC]], <9 x i8>* [[VAR]], align 16
150// ANDROID: varargs_vec_9c
151// ANDROID: [[VAR:%.*]] = alloca <9 x i8>, align 16
152// ANDROID: [[ALIGN:%.*]] = and i32 {{%.*}}, -8
153// ANDROID: [[AP_ALIGN:%.*]] = inttoptr i32 [[ALIGN]] to i8*
154// ANDROID: [[AP_NEXT:%.*]] = getelementptr inbounds i8, i8* [[AP_ALIGN]], i32 16
155// ANDROID: [[AP_CAST:%.*]] = bitcast i8* [[AP_ALIGN]] to <9 x i8>*
156// ANDROID: [[T0:%.*]] = load <9 x i8>, <9 x i8>* [[AP_CAST]], align 8
157// ANDROID: store <9 x i8> [[T0]], <9 x i8>* [[VAR]], align 16
158  va_list ap;
159  double sum = fixed;
160  va_start(ap, fixed);
161  __char9 c9 = va_arg(ap, __char9);
162  sum = sum + c9.x + c9.y;
163  va_end(ap);
164  return sum;
165}
166
167double test_9c(__char9 *in) {
168// CHECK: test_9c
169// CHECK: call arm_aapcscc double (i32, ...) @varargs_vec_9c(i32 9, <4 x i32> {{%.*}})
170// APCS-GNU: test_9c
171// APCS-GNU: call double (i32, ...) @varargs_vec_9c(i32 9, <4 x i32> {{%.*}})
172// ANDROID: test_9c
173// ANDROID: call double (i32, ...) @varargs_vec_9c(i32 9, <4 x i32> {{%.*}})
174  return varargs_vec_9c(9, *in);
175}
176
177double varargs_vec_19c(int fixed, ...) {
178// CHECK: varargs_vec_19c
179// CHECK: [[AP_NEXT:%.*]] = getelementptr inbounds i8, i8* [[AP:%.*]], i32 4
180// CHECK: [[VAR:%.*]] = bitcast i8* [[AP]] to <19 x i8>**
181// CHECK: [[VAR2:%.*]] = load <19 x i8>*, <19 x i8>** [[VAR]]
182// APCS-GNU: varargs_vec_19c
183// APCS-GNU: [[AP_NEXT:%.*]] = getelementptr inbounds i8, i8* [[AP:%.*]], i32 4
184// APCS-GNU: [[VAR:%.*]] = bitcast i8* [[AP]] to <19 x i8>**
185// APCS-GNU: [[VAR2:%.*]] = load <19 x i8>*, <19 x i8>** [[VAR]]
186// ANDROID: varargs_vec_19c
187// ANDROID: [[AP_NEXT:%.*]] = getelementptr inbounds i8, i8* [[AP:%.*]], i32 4
188// ANDROID: [[VAR:%.*]] = bitcast i8* [[AP]] to <19 x i8>**
189// ANDROID: [[VAR2:%.*]] = load <19 x i8>*, <19 x i8>** [[VAR]]
190  va_list ap;
191  double sum = fixed;
192  va_start(ap, fixed);
193  __char19 c19 = va_arg(ap, __char19);
194  sum = sum + c19.x + c19.y;
195  va_end(ap);
196  return sum;
197}
198
199double test_19c(__char19 *in) {
200// CHECK: test_19c
201// CHECK: call arm_aapcscc double (i32, ...) @varargs_vec_19c(i32 19, <19 x i8>* {{%.*}})
202// APCS-GNU: test_19c
203// APCS-GNU: call double (i32, ...) @varargs_vec_19c(i32 19, <19 x i8>* {{%.*}})
204// ANDROID: test_19c
205// ANDROID: call double (i32, ...) @varargs_vec_19c(i32 19, <19 x i8>* {{%.*}})
206  return varargs_vec_19c(19, *in);
207}
208
209double varargs_vec_3s(int fixed, ...) {
210// CHECK: varargs_vec_3s
211// CHECK: alloca <3 x i16>, align 8
212// CHECK: [[ALIGN:%.*]] = and i32 {{%.*}}, -8
213// CHECK: [[AP_ALIGN:%.*]] = inttoptr i32 [[ALIGN]] to i8*
214// CHECK: [[AP_NEXT:%.*]] = getelementptr inbounds i8, i8* [[AP_ALIGN]], i32 8
215// CHECK: bitcast i8* [[AP_ALIGN]] to <3 x i16>*
216// APCS-GNU: varargs_vec_3s
217// APCS-GNU: [[VAR:%.*]] = alloca <3 x i16>, align 8
218// APCS-GNU: [[AP:%.*]] = load i8*,
219// APCS-GNU: [[AP_NEXT:%.*]] = getelementptr inbounds i8, i8* [[AP]], i32 8
220// APCS-GNU: [[AP_CAST:%.*]] = bitcast i8* [[AP]] to <3 x i16>*
221// APCS-GNU: [[VEC:%.*]] = load <3 x i16>, <3 x i16>* [[AP_CAST]], align 4
222// ANDROID: varargs_vec_3s
223// ANDROID: alloca <3 x i16>, align 8
224// ANDROID: [[ALIGN:%.*]] = and i32 {{%.*}}, -8
225// ANDROID: [[AP_ALIGN:%.*]] = inttoptr i32 [[ALIGN]] to i8*
226// ANDROID: [[AP_NEXT:%.*]] = getelementptr inbounds i8, i8* [[AP_ALIGN]], i32 8
227// ANDROID: bitcast i8* [[AP_ALIGN]] to <3 x i16>*
228  va_list ap;
229  double sum = fixed;
230  va_start(ap, fixed);
231  __short3 c3 = va_arg(ap, __short3);
232  sum = sum + c3.x + c3.y;
233  va_end(ap);
234  return sum;
235}
236
237double test_3s(__short3 *in) {
238// CHECK: test_3s
239// CHECK: call arm_aapcscc double (i32, ...) @varargs_vec_3s(i32 3, <2 x i32> {{%.*}})
240// APCS-GNU: test_3s
241// APCS-GNU: call double (i32, ...) @varargs_vec_3s(i32 3, <2 x i32> {{%.*}})
242// ANDROID: test_3s
243// ANDROID: call double (i32, ...) @varargs_vec_3s(i32 3, <3 x i16> {{%.*}})
244  return varargs_vec_3s(3, *in);
245}
246
247double varargs_vec_5s(int fixed, ...) {
248// CHECK: varargs_vec_5s
249// CHECK: [[VAR_ALIGN:%.*]] = alloca <5 x i16>, align 16
250// CHECK: [[ALIGN:%.*]] = and i32 {{%.*}}, -8
251// CHECK: [[AP_ALIGN:%.*]] = inttoptr i32 [[ALIGN]] to i8*
252// CHECK: [[AP_NEXT:%.*]] = getelementptr inbounds i8, i8* [[AP_ALIGN]], i32 16
253// CHECK: [[AP_CAST:%.*]] = bitcast i8* [[AP_ALIGN]] to <5 x i16>*
254// CHECK: [[VEC:%.*]] = load <5 x i16>, <5 x i16>* [[AP_CAST]], align 8
255// CHECK: store <5 x i16> [[VEC]], <5 x i16>* [[VAR_ALIGN]], align 16
256// APCS-GNU: varargs_vec_5s
257// APCS-GNU: [[VAR:%.*]] = alloca <5 x i16>, align 16
258// APCS-GNU: [[AP:%.*]] = load i8*,
259// APCS-GNU: [[AP_NEXT:%.*]] = getelementptr inbounds i8, i8* [[AP]], i32 16
260// APCS-GNU: [[AP_CAST:%.*]] = bitcast i8* [[AP]] to <5 x i16>*
261// APCS-GNU: [[VEC:%.*]] = load <5 x i16>, <5 x i16>* [[AP_CAST]], align 4
262// ANDROID: varargs_vec_5s
263// ANDROID: [[VAR_ALIGN:%.*]] = alloca <5 x i16>, align 16
264// ANDROID: [[ALIGN:%.*]] = and i32 {{%.*}}, -8
265// ANDROID: [[AP_ALIGN:%.*]] = inttoptr i32 [[ALIGN]] to i8*
266// ANDROID: [[AP_NEXT:%.*]] = getelementptr inbounds i8, i8* [[AP_ALIGN]], i32 16
267// ANDROID: [[AP_CAST:%.*]] = bitcast i8* [[AP_ALIGN]] to <5 x i16>*
268// ANDROID: [[VEC:%.*]] = load <5 x i16>, <5 x i16>* [[AP_CAST]], align 8
269// ANDROID: store <5 x i16> [[VEC]], <5 x i16>* [[VAR_ALIGN]], align 16
270  va_list ap;
271  double sum = fixed;
272  va_start(ap, fixed);
273  __short5 c5 = va_arg(ap, __short5);
274  sum = sum + c5.x + c5.y;
275  va_end(ap);
276  return sum;
277}
278
279double test_5s(__short5 *in) {
280// CHECK: test_5s
281// CHECK: call arm_aapcscc double (i32, ...) @varargs_vec_5s(i32 5, <4 x i32> {{%.*}})
282// APCS-GNU: test_5s
283// APCS-GNU: call double (i32, ...) @varargs_vec_5s(i32 5, <4 x i32> {{%.*}})
284// ANDROID: test_5s
285// ANDROID: call double (i32, ...) @varargs_vec_5s(i32 5, <4 x i32> {{%.*}})
286  return varargs_vec_5s(5, *in);
287}
288
289// Pass struct as varargs.
290typedef struct
291{
292  __int2 i2;
293  float f;
294} StructWithVec;
295
296double varargs_struct(int fixed, ...) {
297// CHECK: varargs_struct
298// CHECK: [[ALIGN:%.*]] = and i32 {{%.*}}, -8
299// CHECK: [[AP_ALIGN:%.*]] = inttoptr i32 [[ALIGN]] to i8*
300// CHECK: [[AP_NEXT:%.*]] = getelementptr inbounds i8, i8* [[AP_ALIGN]], i32 16
301// CHECK: bitcast i8* [[AP_ALIGN]] to %struct.StructWithVec*
302// APCS-GNU: varargs_struct
303// APCS-GNU: [[VAR_ALIGN:%.*]] = alloca %struct.StructWithVec
304// APCS-GNU: [[AP_NEXT:%.*]] = getelementptr inbounds i8, i8* {{%.*}}, i32 16
305// APCS-GNU: bitcast %struct.StructWithVec* [[VAR_ALIGN]] to i8*
306// APCS-GNU: call void @llvm.memcpy
307// ANDROID: varargs_struct
308// ANDROID: [[ALIGN:%.*]] = and i32 {{%.*}}, -8
309// ANDROID: [[AP_ALIGN:%.*]] = inttoptr i32 [[ALIGN]] to i8*
310// ANDROID: [[AP_NEXT:%.*]] = getelementptr inbounds i8, i8* [[AP_ALIGN]], i32 16
311// ANDROID: bitcast i8* [[AP_ALIGN]] to %struct.StructWithVec*
312  va_list ap;
313  double sum = fixed;
314  va_start(ap, fixed);
315  StructWithVec c3 = va_arg(ap, StructWithVec);
316  sum = sum + c3.i2.x + c3.i2.y + c3.f;
317  va_end(ap);
318  return sum;
319}
320
321double test_struct(StructWithVec* d) {
322// CHECK: test_struct
323// CHECK: call arm_aapcscc double (i32, ...) @varargs_struct(i32 3, [2 x i64] {{%.*}})
324// APCS-GNU: test_struct
325// APCS-GNU: call double (i32, ...) @varargs_struct(i32 3, [2 x i64] {{%.*}})
326// ANDROID: test_struct
327// ANDROID: call double (i32, ...) @varargs_struct(i32 3, [2 x i64] {{%.*}})
328  return varargs_struct(3, *d);
329}
330