xref: /llvm-project/clang/test/CodeGen/64bit-swiftcall.c (revision 627746581b8fde4143533937130f420bbbdf9ddf)
1 // RUN: %clang_cc1 -no-enable-noundef-analysis -triple x86_64-apple-darwin10 -target-cpu core2 -emit-llvm -o - %s | FileCheck %s
2 // RUN: %clang_cc1 -no-enable-noundef-analysis -triple x86_64-apple-darwin10 -target-cpu core2 -emit-llvm -o - %s | FileCheck %s --check-prefix=X86-64
3 // RUN: %clang_cc1 -no-enable-noundef-analysis -triple arm64-apple-ios9 -target-cpu cyclone -emit-llvm -o - %s | FileCheck %s
4 // RUN: %clang_cc1 -no-enable-noundef-analysis -triple arm64-apple-ios9 -target-cpu cyclone -emit-llvm -o - %s | FileCheck %s --check-prefix=ARM64
5 
6 // REQUIRES: aarch64-registered-target,x86-registered-target
7 
8 #define SWIFTCALL __attribute__((swiftcall))
9 #define SWIFTASYNCCALL __attribute__((swiftasynccall))
10 #define OUT __attribute__((swift_indirect_result))
11 #define ERROR __attribute__((swift_error_result))
12 #define CONTEXT __attribute__((swift_context))
13 #define ASYNC_CONTEXT __attribute__((swift_async_context))
14 
15 // CHECK-DAG: %struct.atomic_padded = type { { %struct.packed, [7 x i8] } }
16 // CHECK-DAG: %struct.packed = type <{ i64, i8 }>
17 
18 /*****************************************************************************/
19 /****************************** PARAMETER ABIS *******************************/
20 /*****************************************************************************/
21 
22 SWIFTCALL void indirect_result_1(OUT int *arg0, OUT float *arg1) {}
23 // CHECK-LABEL: define {{.*}} void @indirect_result_1(ptr noalias sret(ptr) align 4 dereferenceable(4){{.*}}, ptr noalias align 4 dereferenceable(4){{.*}})
24 
25 // TODO: maybe this shouldn't suppress sret.
26 SWIFTCALL int indirect_result_2(OUT int *arg0, OUT float *arg1) {  __builtin_unreachable(); }
27 // CHECK-LABEL: define {{.*}} i32 @indirect_result_2(ptr noalias align 4 dereferenceable(4){{.*}}, ptr noalias align 4 dereferenceable(4){{.*}})
28 
29 typedef struct { char array[1024]; } struct_reallybig;
30 SWIFTCALL struct_reallybig indirect_result_3(OUT int *arg0, OUT float *arg1) { __builtin_unreachable(); }
31 // CHECK-LABEL: define {{.*}} void @indirect_result_3(ptr dead_on_unwind noalias writable sret(%struct.struct_reallybig) {{.*}}, ptr noalias align 4 dereferenceable(4){{.*}}, ptr noalias align 4 dereferenceable(4){{.*}})
32 
33 SWIFTCALL void context_1(CONTEXT void *self) {}
34 // CHECK-LABEL: define {{.*}} void @context_1(ptr swiftself
35 
36 SWIFTASYNCCALL void async_context_1(ASYNC_CONTEXT void *ctx) {}
37 // CHECK-LABEL: define {{.*}} void @async_context_1(ptr swiftasync
38 
39 SWIFTCALL void context_2(void *arg0, CONTEXT void *self) {}
40 // CHECK-LABEL: define {{.*}} void @context_2(ptr{{.*}}, ptr swiftself
41 
42 SWIFTASYNCCALL void async_context_2(void *arg0, ASYNC_CONTEXT void *ctx) {}
43 // CHECK-LABEL: define {{.*}} void @async_context_2(ptr{{.*}}, ptr swiftasync
44 
45 SWIFTCALL void context_error_1(CONTEXT int *self, ERROR float **error) {}
46 // CHECK-LABEL: define {{.*}} void @context_error_1(ptr swiftself{{.*}}, ptr swifterror %0)
47 // CHECK:       [[TEMP:%.*]] = alloca ptr, align 8
48 // CHECK:       [[T0:%.*]] = load ptr, ptr [[ERRORARG:%.*]], align 8
49 // CHECK:       store ptr [[T0]], ptr [[TEMP]], align 8
50 // CHECK:       [[T0:%.*]] = load ptr, ptr [[TEMP]], align 8
51 // CHECK:       store ptr [[T0]], ptr [[ERRORARG]], align 8
52 void test_context_error_1() {
53   int x;
54   float *error;
55   context_error_1(&x, &error);
56 }
57 // CHECK-LABEL: define{{.*}} void @test_context_error_1()
58 // CHECK:       [[X:%.*]] = alloca i32, align 4
59 // CHECK:       [[ERROR:%.*]] = alloca ptr, align 8
60 // CHECK:       [[TEMP:%.*]] = alloca swifterror ptr, align 8
61 // CHECK:       [[T0:%.*]] = load ptr, ptr [[ERROR]], align 8
62 // CHECK:       store ptr [[T0]], ptr [[TEMP]], align 8
63 // CHECK:       call [[SWIFTCC:swiftcc]] void @context_error_1(ptr swiftself [[X]], ptr swifterror [[TEMP]])
64 // CHECK:       [[T0:%.*]] = load ptr, ptr [[TEMP]], align 8
65 // CHECK:       store ptr [[T0]], ptr [[ERROR]], align 8
66 
67 SWIFTCALL void context_error_2(short s, CONTEXT int *self, ERROR float **error) {}
68 // CHECK-LABEL: define {{.*}} void @context_error_2(i16{{.*}}, ptr swiftself{{.*}}, ptr swifterror %0)
69 
70 /*****************************************************************************/
71 /********************************** LOWERING *********************************/
72 /*****************************************************************************/
73 
74 typedef float float3 __attribute__((ext_vector_type(3)));
75 typedef float float4 __attribute__((ext_vector_type(4)));
76 typedef float float8 __attribute__((ext_vector_type(8)));
77 typedef double double2 __attribute__((ext_vector_type(2)));
78 typedef double double4 __attribute__((ext_vector_type(4)));
79 typedef int int3 __attribute__((ext_vector_type(3)));
80 typedef int int4 __attribute__((ext_vector_type(4)));
81 typedef int int5 __attribute__((ext_vector_type(5)));
82 typedef int int8 __attribute__((ext_vector_type(8)));
83 typedef char char16 __attribute__((ext_vector_type(16)));
84 typedef short short8 __attribute__((ext_vector_type(8)));
85 typedef long long long2 __attribute__((ext_vector_type(2)));
86 
87 #define TEST(TYPE)                       \
88   SWIFTCALL TYPE return_##TYPE(void) {   \
89     TYPE result = {};                    \
90     return result;                       \
91   }                                      \
92   SWIFTCALL void take_##TYPE(TYPE v) {   \
93   }                                      \
94   void test_##TYPE() {                   \
95     take_##TYPE(return_##TYPE());        \
96   }
97 
98 /*****************************************************************************/
99 /*********************************** STRUCTS *********************************/
100 /*****************************************************************************/
101 
102 typedef struct {
103 } struct_empty;
104 TEST(struct_empty);
105 // CHECK-LABEL: define {{.*}} @return_struct_empty()
106 // CHECK:   ret void
107 // CHECK-LABEL: define {{.*}} @take_struct_empty()
108 // CHECK:   ret void
109 
110 typedef struct {
111   int x;
112   char c0;
113   char c1;
114   int f0;
115   int f1;
116 } struct_1;
117 TEST(struct_1);
118 // CHECK-LABEL: define{{.*}} swiftcc { i64, i64 } @return_struct_1() {{.*}}{
119 // CHECK:   [[RET:%.*]] = alloca [[STRUCT1:%.*]], align 4
120 // CHECK:   call void @llvm.memset
121 // CHECK:   [[GEP0:%.*]] = getelementptr inbounds nuw { i64, i64 }, ptr %retval, i32 0, i32 0
122 // CHECK:   [[T0:%.*]] = load i64, ptr [[GEP0]], align 4
123 // CHECK:   [[GEP1:%.*]] = getelementptr inbounds nuw { i64, i64 }, ptr %retval, i32 0, i32 1
124 // CHECK:   [[T1:%.*]] = load i64, ptr [[GEP1]], align 4
125 // CHECK:   [[R0:%.*]] = insertvalue { i64, i64 } poison, i64 [[T0]], 0
126 // CHECK:   [[R1:%.*]] = insertvalue { i64, i64 } [[R0]], i64 [[T1]], 1
127 // CHECK:   ret { i64, i64 } [[R1]]
128 // CHECK: }
129 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_1(i64 %0, i64 %1) {{.*}}{
130 // CHECK:   [[V:%.*]] = alloca [[STRUCT1:%.*]], align 4
131 // CHECK:   [[GEP0:%.*]] = getelementptr inbounds nuw { i64, i64 }, ptr [[V]], i32 0, i32 0
132 // CHECK:   store i64 %0, ptr [[GEP0]], align 4
133 // CHECK:   [[GEP1:%.*]] = getelementptr inbounds nuw { i64, i64 }, ptr [[V]], i32 0, i32 1
134 // CHECK:   store i64 %1, ptr [[GEP1]], align 4
135 // CHECK:   ret void
136 // CHECK: }
137 // CHECK-LABEL: define{{.*}} void @test_struct_1() {{.*}}{
138 // CHECK:   [[AGG:%.*]] = alloca [[STRUCT1:%.*]], align 4
139 // CHECK:   [[RET:%.*]] = call swiftcc { i64, i64 } @return_struct_1()
140 // CHECK:   [[GEP0:%.*]] = getelementptr inbounds nuw { i64, i64 }, ptr [[AGG]], i32 0, i32 0
141 // CHECK:   [[E0:%.*]] = extractvalue { i64, i64 } [[RET]], 0
142 // CHECK:   store i64 [[E0]], ptr [[GEP0]], align 4
143 // CHECK:   [[GEP1:%.*]] = getelementptr inbounds nuw { i64, i64 }, ptr [[AGG]], i32 0, i32 1
144 // CHECK:   [[E1:%.*]] = extractvalue { i64, i64 } [[RET]], 1
145 // CHECK:   store i64 [[E1]], ptr [[GEP1]], align 4
146 // CHECK:   [[GEP2:%.*]] = getelementptr inbounds nuw { i64, i64 }, ptr [[AGG]], i32 0, i32 0
147 // CHECK:   [[V0:%.*]] = load i64, ptr [[GEP2]], align 4
148 // CHECK:   [[GEP3:%.*]] = getelementptr inbounds nuw { i64, i64 }, ptr [[AGG]], i32 0, i32 1
149 // CHECK:   [[V1:%.*]] = load i64, ptr [[GEP3]], align 4
150 // CHECK:   call swiftcc void @take_struct_1(i64 [[V0]], i64 [[V1]])
151 // CHECK:   ret void
152 // CHECK: }
153 
154 typedef struct {
155   int x;
156   char c0;
157   __attribute__((aligned(2))) char c1;
158   int f0;
159   int f1;
160 } struct_2;
161 TEST(struct_2);
162 // CHECK-LABEL: define{{.*}} swiftcc { i64, i64 } @return_struct_2() {{.*}}{
163 // CHECK:   [[RET:%.*]] = alloca [[STRUCT2:%.*]], align 4
164 // CHECK:   call void @llvm.memset
165 // CHECK:   [[GEP0:%.*]] = getelementptr inbounds nuw { i64, i64 }, ptr [[RET]], i32 0, i32 0
166 // CHECK:   [[T0:%.*]] = load i64, ptr [[GEP0]], align 4
167 // CHECK:   [[GEP1:%.*]] = getelementptr inbounds nuw { i64, i64 }, ptr [[RET]], i32 0, i32 1
168 // CHECK:   [[T1:%.*]] = load i64, ptr [[GEP1]], align 4
169 // CHECK:   [[R0:%.*]] = insertvalue { i64, i64 } poison, i64 [[T0]], 0
170 // CHECK:   [[R1:%.*]] = insertvalue { i64, i64 } [[R0]], i64 [[T1]], 1
171 // CHECK:   ret { i64, i64 } [[R1]]
172 // CHECK: }
173 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_2(i64 %0, i64 %1) {{.*}}{
174 // CHECK:   [[V:%.*]] = alloca [[STRUCT2]], align 4
175 // CHECK:   [[GEP0:%.*]] = getelementptr inbounds nuw { i64, i64 }, ptr [[V]], i32 0, i32 0
176 // CHECK:   store i64 %0, ptr [[GEP0]], align 4
177 // CHECK:   [[GEP1:%.*]] = getelementptr inbounds nuw { i64, i64 }, ptr [[V]], i32 0, i32 1
178 // CHECK:   store i64 %1, ptr [[GEP1]], align 4
179 // CHECK:   ret void
180 // CHECK: }
181 // CHECK-LABEL: define{{.*}} void @test_struct_2() {{.*}} {
182 // CHECK:   [[TMP:%.*]] = alloca [[STRUCT2]], align 4
183 // CHECK:   [[CALL:%.*]] = call swiftcc { i64, i64 } @return_struct_2()
184 // CHECK:   [[GEP:%.*]] = getelementptr inbounds nuw {{.*}} [[TMP]], i32 0, i32 0
185 // CHECK:   [[T0:%.*]] = extractvalue { i64, i64 } [[CALL]], 0
186 // CHECK:   store i64 [[T0]], ptr [[GEP]], align 4
187 // CHECK:   [[GEP:%.*]] = getelementptr inbounds nuw {{.*}} [[TMP]], i32 0, i32 1
188 // CHECK:   [[T0:%.*]] = extractvalue { i64, i64 } [[CALL]], 1
189 // CHECK:   store i64 [[T0]], ptr [[GEP]], align 4
190 // CHECK:   [[GEP:%.*]] = getelementptr inbounds nuw { i64, i64 }, ptr [[TMP]], i32 0, i32 0
191 // CHECK:   [[R0:%.*]] = load i64, ptr [[GEP]], align 4
192 // CHECK:   [[GEP:%.*]] = getelementptr inbounds nuw { i64, i64 }, ptr [[TMP]], i32 0, i32 1
193 // CHECK:   [[R1:%.*]] = load i64, ptr [[GEP]], align 4
194 // CHECK:   call swiftcc void @take_struct_2(i64 [[R0]], i64 [[R1]])
195 // CHECK:   ret void
196 // CHECK: }
197 
198 // There's no way to put a field randomly in the middle of an otherwise
199 // empty storage unit in C, so that case has to be tested in C++, which
200 // can use empty structs to introduce arbitrary padding.  (In C, they end up
201 // with size 0 and so don't affect layout.)
202 
203 // Misaligned data rule.
204 typedef struct {
205   char c0;
206   __attribute__((packed)) float f;
207 } struct_misaligned_1;
208 TEST(struct_misaligned_1)
209 // CHECK-LABEL: define{{.*}} swiftcc i64 @return_struct_misaligned_1()
210 // CHECK:  [[RET:%.*]] = alloca [[STRUCT:%.*]], align 1
211 // CHECK:  call void @llvm.memset{{.*}}(ptr align 1 [[RET]], i8 0, i64 5
212 // CHECK:  [[GEP:%.*]] = getelementptr inbounds nuw { i64 }, ptr [[RET]], i32 0, i32 0
213 // CHECK:  [[R0:%.*]] = load i64, ptr [[GEP]], align 1
214 // CHECK:  ret i64 [[R0]]
215 // CHECK:}
216 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_misaligned_1(i64 %0) {{.*}}{
217 // CHECK:   [[V:%.*]] = alloca [[STRUCT:%.*]], align 1
218 // CHECK:   [[GEP:%.*]] = getelementptr inbounds nuw { i64 }, ptr [[V]], i32 0, i32 0
219 // CHECK:   store i64 %0, ptr [[GEP]], align 1
220 // CHECK:   ret void
221 // CHECK: }
222 // CHECK: define{{.*}} void @test_struct_misaligned_1() {{.*}}{
223 // CHECK:   [[AGG:%.*]] = alloca [[STRUCT:%.*]], align 1
224 // CHECK:   [[CALL:%.*]] = call swiftcc i64 @return_struct_misaligned_1()
225 // CHECK:   [[T1:%.*]] = getelementptr inbounds nuw { i64 }, ptr [[AGG]], i32 0, i32 0
226 // CHECK:   store i64 [[CALL]], ptr [[T1]], align 1
227 // CHECK:   [[T1:%.*]] = getelementptr inbounds nuw { i64 }, ptr [[AGG]], i32 0, i32 0
228 // CHECK:   [[P:%.*]] = load i64, ptr [[T1]], align 1
229 // CHECK:   call swiftcc void @take_struct_misaligned_1(i64 [[P]])
230 // CHECK:   ret void
231 // CHECK: }
232 
233 // Too many scalars.
234 typedef struct {
235   long long x[5];
236 } struct_big_1;
237 TEST(struct_big_1)
238 
239 // CHECK-LABEL: define {{.*}} void @return_struct_big_1(ptr dead_on_unwind noalias writable sret
240 
241 // Should not be byval.
242 // CHECK-LABEL: define {{.*}} void @take_struct_big_1(ptr{{( %.*)?}})
243 
244 /*****************************************************************************/
245 /********************************* TYPE MERGING ******************************/
246 /*****************************************************************************/
247 
248 typedef union {
249   float f;
250   double d;
251 } union_het_fp;
252 TEST(union_het_fp)
253 // CHECK-LABEL: define{{.*}} swiftcc i64 @return_union_het_fp()
254 // CHECK:  [[RET:%.*]] = alloca [[UNION:%.*]], align 8
255 // CHECK:  call void @llvm.memset{{.*}}(ptr align 8 [[RET]]
256 // CHECK:  [[GEP:%.*]] = getelementptr inbounds nuw { i64 }, ptr [[RET]], i32 0, i32 0
257 // CHECK:  [[R0:%.*]] = load i64, ptr [[GEP]], align 8
258 // CHECK:  ret i64 [[R0]]
259 // CHECK-LABEL: define{{.*}} swiftcc void @take_union_het_fp(i64 %0) {{.*}}{
260 // CHECK:   [[V:%.*]] = alloca [[UNION:%.*]], align 8
261 // CHECK:   [[GEP:%.*]] = getelementptr inbounds nuw { i64 }, ptr [[V]], i32 0, i32 0
262 // CHECK:   store i64 %0, ptr [[GEP]], align 8
263 // CHECK:   ret void
264 // CHECK: }
265 // CHECK-LABEL: define{{.*}} void @test_union_het_fp() {{.*}}{
266 // CHECK:   [[AGG:%.*]] = alloca [[UNION:%.*]], align 8
267 // CHECK:   [[CALL:%.*]] = call swiftcc i64 @return_union_het_fp()
268 // CHECK:   [[T1:%.*]] = getelementptr inbounds nuw { i64 }, ptr [[AGG]], i32 0, i32 0
269 // CHECK:   store i64 [[CALL]], ptr [[T1]], align 8
270 // CHECK:   [[T1:%.*]] = getelementptr inbounds nuw { i64 }, ptr [[AGG]], i32 0, i32 0
271 // CHECK:   [[V0:%.*]] = load i64, ptr [[T1]], align 8
272 // CHECK:   call swiftcc void @take_union_het_fp(i64 [[V0]])
273 // CHECK:   ret void
274 // CHECK: }
275 
276 
277 typedef union {
278   float f1;
279   float f2;
280 } union_hom_fp;
281 TEST(union_hom_fp)
282 // CHECK-LABEL: define{{.*}} void @test_union_hom_fp()
283 // CHECK:   [[TMP:%.*]] = alloca [[REC:%.*]], align 4
284 // CHECK:   [[CALL:%.*]] = call [[SWIFTCC]] float @return_union_hom_fp()
285 // CHECK:   [[T0:%.*]] = getelementptr inbounds nuw { float }, ptr [[TMP]], i32 0, i32 0
286 // CHECK:   store float [[CALL]], ptr [[T0]], align 4
287 // CHECK:   [[T0:%.*]] = getelementptr inbounds nuw { float }, ptr [[TMP]], i32 0, i32 0
288 // CHECK:   [[FIRST:%.*]] = load float, ptr [[T0]], align 4
289 // CHECK:   call [[SWIFTCC]] void @take_union_hom_fp(float [[FIRST]])
290 // CHECK:   ret void
291 
292 typedef union {
293   float f1;
294   float4 fv2;
295 } union_hom_fp_partial;
296 TEST(union_hom_fp_partial)
297 // CHECK: define{{.*}} void @test_union_hom_fp_partial()
298 // CHECK:   [[AGG:%.*]] = alloca [[UNION:%.*]], align 16
299 // CHECK:   [[CALL:%.*]] = call swiftcc { float, float, float, float } @return_union_hom_fp_partial()
300 // CHECK:   [[T0:%.*]] = getelementptr inbounds nuw { float, float, float, float }, ptr [[AGG]], i32 0, i32 0
301 // CHECK:   [[T1:%.*]] = extractvalue { float, float, float, float } [[CALL]], 0
302 // CHECK:   store float [[T1]], ptr [[T0]], align 16
303 // CHECK:   [[T0:%.*]] = getelementptr inbounds nuw { float, float, float, float }, ptr [[AGG]], i32 0, i32 1
304 // CHECK:   [[T1:%.*]] = extractvalue { float, float, float, float } [[CALL]], 1
305 // CHECK:   store float [[T1]], ptr [[T0]], align 4
306 // CHECK:   [[T0:%.*]] = getelementptr inbounds nuw { float, float, float, float }, ptr [[AGG]], i32 0, i32 2
307 // CHECK:   [[T1:%.*]] = extractvalue { float, float, float, float } [[CALL]], 2
308 // CHECK:   store float [[T1]], ptr [[T0]], align 8
309 // CHECK:   [[T0:%.*]] = getelementptr inbounds nuw { float, float, float, float }, ptr [[AGG]], i32 0, i32 3
310 // CHECK:   [[T1:%.*]] = extractvalue { float, float, float, float } [[CALL]], 3
311 // CHECK:   store float [[T1]], ptr [[T0]], align 4
312 // CHECK:   [[T0:%.*]] = getelementptr inbounds nuw { float, float, float, float }, ptr [[AGG]], i32 0, i32 0
313 // CHECK:   [[V0:%.*]] = load float, ptr [[T0]], align 16
314 // CHECK:   [[T0:%.*]] = getelementptr inbounds nuw { float, float, float, float }, ptr [[AGG]], i32 0, i32 1
315 // CHECK:   [[V1:%.*]] = load float, ptr [[T0]], align 4
316 // CHECK:   [[T0:%.*]] = getelementptr inbounds nuw { float, float, float, float }, ptr [[AGG]], i32 0, i32 2
317 // CHECK:   [[V2:%.*]] = load float, ptr [[T0]], align 8
318 // CHECK:   [[T0:%.*]] = getelementptr inbounds nuw { float, float, float, float }, ptr [[AGG]], i32 0, i32 3
319 // CHECK:   [[V3:%.*]] = load float, ptr [[T0]], align 4
320 // CHECK:   call swiftcc void @take_union_hom_fp_partial(float [[V0]], float [[V1]], float [[V2]], float [[V3]])
321 // CHECK:   ret void
322 // CHECK: }
323 
324 typedef union {
325   struct { int x, y; } f1;
326   float4 fv2;
327 } union_het_fpv_partial;
328 TEST(union_het_fpv_partial)
329 // CHECK-LABEL: define{{.*}} void @test_union_het_fpv_partial()
330 // CHECK:   [[AGG:%.*]] = alloca [[UNION:%.*]], align 16
331 // CHECK:   [[CALL:%.*]] = call swiftcc { i64, float, float } @return_union_het_fpv_partial()
332 // CHECK:   [[T0:%.*]] = getelementptr inbounds nuw { i64, float, float }, ptr [[AGG]], i32 0, i32 0
333 // CHECK:   [[T1:%.*]] = extractvalue { i64, float, float } [[CALL]], 0
334 // CHECK:   store i64 [[T1]], ptr [[T0]], align 16
335 // CHECK:   [[T0:%.*]] = getelementptr inbounds nuw { i64, float, float }, ptr [[AGG]], i32 0, i32 1
336 // CHECK:   [[T1:%.*]] = extractvalue { i64, float, float } [[CALL]], 1
337 // CHECK:   store float [[T1]], ptr [[T0]], align 8
338 // CHECK:   [[T0:%.*]] = getelementptr inbounds nuw { i64, float, float }, ptr [[AGG]], i32 0, i32 2
339 // CHECK:   [[T1:%.*]] = extractvalue { i64, float, float } [[CALL]], 2
340 // CHECK:   store float [[T1]], ptr [[T0]], align 4
341 // CHECK:   [[T0:%.*]] = getelementptr inbounds nuw { i64, float, float }, ptr [[AGG]], i32 0, i32 0
342 // CHECK:   [[V0:%.*]] = load i64, ptr [[T0]], align 16
343 // CHECK:   [[T0:%.*]] = getelementptr inbounds nuw { i64, float, float }, ptr [[AGG]], i32 0, i32 1
344 // CHECK:   [[V1:%.*]] = load float, ptr [[T0]], align 8
345 // CHECK:   [[T0:%.*]] = getelementptr inbounds nuw { i64, float, float }, ptr [[AGG]], i32 0, i32 2
346 // CHECK:   [[V2:%.*]] = load float, ptr [[T0]], align 4
347 // CHECK:   call swiftcc void @take_union_het_fpv_partial(i64 [[V0]], float [[V1]], float [[V2]])
348 // CHECK:   ret void
349 // CHECK: }
350 
351 /*****************************************************************************/
352 /****************************** VECTOR LEGALIZATION **************************/
353 /*****************************************************************************/
354 
355 TEST(int4)
356 // CHECK-LABEL: define {{.*}} <4 x i32> @return_int4()
357 // CHECK-LABEL: define {{.*}} @take_int4(<4 x i32>
358 
359 TEST(int8)
360 // CHECK-LABEL: define {{.*}} @return_int8()
361 // CHECK:   [[RET:%.*]] = alloca [[REC:<8 x i32>]], align 16
362 // CHECK:   [[VAR:%.*]] = alloca [[REC]], align
363 // CHECK:   store
364 // CHECK:   load
365 // CHECK:   store
366 // CHECK:   [[T0:%.*]] = getelementptr inbounds nuw [[AGG:.+]], ptr [[RET]], i32 0, i32 0
367 // CHECK:   [[FIRST:%.*]] = load <4 x i32>, ptr [[T0]], align
368 // CHECK:   [[T0:%.*]] = getelementptr inbounds nuw [[AGG]], ptr [[RET]], i32 0, i32 1
369 // CHECK:   [[SECOND:%.*]] = load <4 x i32>, ptr [[T0]], align
370 // CHECK:   [[T0:%.*]] = insertvalue [[UAGG:{ <4 x i32>, <4 x i32> }]] poison, <4 x i32> [[FIRST]], 0
371 // CHECK:   [[T1:%.*]] = insertvalue [[UAGG]] [[T0]], <4 x i32> [[SECOND]], 1
372 // CHECK:   ret [[UAGG]] [[T1]]
373 // CHECK-LABEL: define {{.*}} @take_int8(<4 x i32> %0, <4 x i32> %1)
374 // CHECK:   [[V:%.*]] = alloca [[REC]], align
375 // CHECK:   [[T0:%.*]] = getelementptr inbounds nuw [[AGG]], ptr [[V]], i32 0, i32 0
376 // CHECK:   store <4 x i32> %0, ptr [[T0]], align
377 // CHECK:   [[T0:%.*]] = getelementptr inbounds nuw [[AGG]], ptr [[V]], i32 0, i32 1
378 // CHECK:   store <4 x i32> %1, ptr [[T0]], align
379 // CHECK:   ret void
380 // CHECK-LABEL: define{{.*}} void @test_int8()
381 // CHECK:   [[TMP1:%.*]] = alloca [[REC]], align
382 // CHECK:   [[TMP2:%.*]] = alloca [[REC]], align
383 // CHECK:   [[CALL:%.*]] = call [[SWIFTCC]] [[UAGG]] @return_int8()
384 // CHECK:   [[T0:%.*]] = getelementptr inbounds nuw [[AGG]], ptr [[TMP1]], i32 0, i32 0
385 // CHECK:   [[T1:%.*]] = extractvalue [[UAGG]] [[CALL]], 0
386 // CHECK:   store <4 x i32> [[T1]], ptr [[T0]], align
387 // CHECK:   [[T0:%.*]] = getelementptr inbounds nuw [[AGG]], ptr [[TMP1]], i32 0, i32 1
388 // CHECK:   [[T1:%.*]] = extractvalue [[UAGG]] [[CALL]], 1
389 // CHECK:   store <4 x i32> [[T1]], ptr [[T0]], align
390 // CHECK:   [[V:%.*]] = load [[REC]], ptr [[TMP1]], align
391 // CHECK:   store [[REC]] [[V]], ptr [[TMP2]], align
392 // CHECK:   [[T0:%.*]] = getelementptr inbounds nuw [[AGG]], ptr [[TMP2]], i32 0, i32 0
393 // CHECK:   [[FIRST:%.*]] = load <4 x i32>, ptr [[T0]], align
394 // CHECK:   [[T0:%.*]] = getelementptr inbounds nuw [[AGG]], ptr [[TMP2]], i32 0, i32 1
395 // CHECK:   [[SECOND:%.*]] = load <4 x i32>, ptr [[T0]], align
396 // CHECK:   call [[SWIFTCC]] void @take_int8(<4 x i32> [[FIRST]], <4 x i32> [[SECOND]])
397 // CHECK:   ret void
398 
399 TEST(int5)
400 // CHECK-LABEL: define {{.*}} @return_int5()
401 // CHECK:   [[RET:%.*]] = alloca [[REC:<5 x i32>]], align 16
402 // CHECK:   [[VAR:%.*]] = alloca [[REC]], align
403 // CHECK:   store
404 // CHECK:   load
405 // CHECK:   store
406 // CHECK:   [[T0:%.*]] = getelementptr inbounds nuw [[AGG:.+]], ptr [[RET]], i32 0, i32 0
407 // CHECK:   [[FIRST:%.*]] = load <4 x i32>, ptr [[T0]], align
408 // CHECK:   [[T0:%.*]] = getelementptr inbounds nuw [[AGG]], ptr [[RET]], i32 0, i32 1
409 // CHECK:   [[SECOND:%.*]] = load i32, ptr [[T0]], align
410 // CHECK:   [[T0:%.*]] = insertvalue [[UAGG:{ <4 x i32>, i32 }]] poison, <4 x i32> [[FIRST]], 0
411 // CHECK:   [[T1:%.*]] = insertvalue [[UAGG]] [[T0]], i32 [[SECOND]], 1
412 // CHECK:   ret [[UAGG]] [[T1]]
413 // CHECK-LABEL: define {{.*}} @take_int5(<4 x i32> %0, i32 %1)
414 // CHECK:   [[V:%.*]] = alloca [[REC]], align
415 // CHECK:   [[T0:%.*]] = getelementptr inbounds nuw [[AGG]], ptr [[V]], i32 0, i32 0
416 // CHECK:   store <4 x i32> %0, ptr [[T0]], align
417 // CHECK:   [[T0:%.*]] = getelementptr inbounds nuw [[AGG]], ptr [[V]], i32 0, i32 1
418 // CHECK:   store i32 %1, ptr [[T0]], align
419 // CHECK:   ret void
420 // CHECK-LABEL: define{{.*}} void @test_int5()
421 // CHECK:   [[TMP1:%.*]] = alloca [[REC]], align
422 // CHECK:   [[TMP2:%.*]] = alloca [[REC]], align
423 // CHECK:   [[CALL:%.*]] = call [[SWIFTCC]] [[UAGG]] @return_int5()
424 // CHECK:   [[T0:%.*]] = getelementptr inbounds nuw [[AGG]], ptr [[TMP1]], i32 0, i32 0
425 // CHECK:   [[T1:%.*]] = extractvalue [[UAGG]] [[CALL]], 0
426 // CHECK:   store <4 x i32> [[T1]], ptr [[T0]], align
427 // CHECK:   [[T0:%.*]] = getelementptr inbounds nuw [[AGG]], ptr [[TMP1]], i32 0, i32 1
428 // CHECK:   [[T1:%.*]] = extractvalue [[UAGG]] [[CALL]], 1
429 // CHECK:   store i32 [[T1]], ptr [[T0]], align
430 // CHECK:   [[V:%.*]] = load [[REC]], ptr [[TMP1]], align
431 // CHECK:   store [[REC]] [[V]], ptr [[TMP2]], align
432 // CHECK:   [[T0:%.*]] = getelementptr inbounds nuw [[AGG]], ptr [[TMP2]], i32 0, i32 0
433 // CHECK:   [[FIRST:%.*]] = load <4 x i32>, ptr [[T0]], align
434 // CHECK:   [[T0:%.*]] = getelementptr inbounds nuw [[AGG]], ptr [[TMP2]], i32 0, i32 1
435 // CHECK:   [[SECOND:%.*]] = load i32, ptr [[T0]], align
436 // CHECK:   call [[SWIFTCC]] void @take_int5(<4 x i32> [[FIRST]], i32 [[SECOND]])
437 // CHECK:   ret void
438 
439 typedef struct {
440   int x;
441   int3 v __attribute__((packed));
442 } misaligned_int3;
443 TEST(misaligned_int3)
444 // CHECK-LABEL: define{{.*}} swiftcc void @take_misaligned_int3(i64 %0, i64 %1)
445 
446 typedef struct {
447   float f0;
448 } struct_f1;
449 TEST(struct_f1)
450 // CHECK-LABEL: define{{.*}} swiftcc float @return_struct_f1()
451 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_f1(float %0)
452 
453 typedef struct {
454   float f0;
455   float f1;
456 } struct_f2;
457 TEST(struct_f2)
458 // CHECK-LABEL: define{{.*}} swiftcc { float, float } @return_struct_f2()
459 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_f2(float %0, float %1)
460 
461 typedef struct {
462   float f0;
463   float f1;
464   float f2;
465 } struct_f3;
466 TEST(struct_f3)
467 // CHECK-LABEL: define{{.*}} swiftcc { float, float, float } @return_struct_f3()
468 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_f3(float %0, float %1, float %2)
469 
470 typedef struct {
471   float f0;
472   float f1;
473   float f2;
474   float f3;
475 } struct_f4;
476 TEST(struct_f4)
477 // CHECK-LABEL: define{{.*}} swiftcc { float, float, float, float } @return_struct_f4()
478 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_f4(float %0, float %1, float %2, float %3)
479 
480 
481 typedef struct {
482   double d0;
483 } struct_d1;
484 TEST(struct_d1)
485 // CHECK-LABEL: define{{.*}} swiftcc double @return_struct_d1()
486 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_d1(double %0)
487 
488 typedef struct {
489   double d0;
490   double d1;
491 } struct_d2;
492 TEST(struct_d2)
493 
494 // CHECK-LABEL: define{{.*}} swiftcc { double, double } @return_struct_d2()
495 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_d2(double %0, double %1)
496 typedef struct {
497   double d0;
498   double d1;
499   double d2;
500 } struct_d3;
501 TEST(struct_d3)
502 // CHECK-LABEL: define{{.*}} swiftcc { double, double, double } @return_struct_d3()
503 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_d3(double %0, double %1, double %2)
504 
505 typedef struct {
506   double d0;
507   double d1;
508   double d2;
509   double d3;
510 } struct_d4;
511 TEST(struct_d4)
512 // CHECK-LABEL: define{{.*}} swiftcc { double, double, double, double } @return_struct_d4()
513 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_d4(double %0, double %1, double %2, double %3)
514 
515 typedef struct {
516   double d0;
517   double d1;
518   double d2;
519   double d3;
520   double d4;
521 } struct_d5;
522 TEST(struct_d5)
523 // CHECK: define{{.*}} swiftcc void @return_struct_d5(ptr dead_on_unwind noalias writable sret([[STRUCT5:.+]])
524 // CHECK: define{{.*}} swiftcc void @take_struct_d5(ptr
525 
526 typedef struct {
527   char c0;
528 } struct_c1;
529 TEST(struct_c1)
530 // CHECK-LABEL: define{{.*}} swiftcc i8 @return_struct_c1()
531 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_c1(i8 %0)
532 
533 typedef struct {
534   char c0;
535   char c1;
536 } struct_c2;
537 TEST(struct_c2)
538 // CHECK-LABEL: define{{.*}} swiftcc i16 @return_struct_c2()
539 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_c2(i16 %0)
540 //
541 
542 typedef struct {
543   char c0;
544   char c1;
545   char c2;
546 } struct_c3;
547 TEST(struct_c3)
548 // CHECK-LABEL: define{{.*}} swiftcc i32 @return_struct_c3()
549 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_c3(i32 %0)
550 
551 typedef struct {
552   char c0;
553   char c1;
554   char c2;
555   char c3;
556 } struct_c4;
557 TEST(struct_c4)
558 // CHECK-LABEL: define{{.*}} swiftcc i32 @return_struct_c4()
559 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_c4(i32 %0)
560 
561 typedef struct {
562   char c0;
563   char c1;
564   char c2;
565   char c3;
566   char c4;
567 } struct_c5;
568 TEST(struct_c5)
569 // CHECK-LABEL: define{{.*}} swiftcc i64 @return_struct_c5()
570 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_c5(i64 %0)
571 //
572 typedef struct {
573   char c0;
574   char c1;
575   char c2;
576   char c3;
577   char c4;
578   char c5;
579   char c6;
580   char c7;
581   char c8;
582 } struct_c9;
583 TEST(struct_c9)
584 // CHECK-LABEL: define{{.*}} swiftcc { i64, i8 } @return_struct_c9()
585 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_c9(i64 %0, i8 %1)
586 
587 typedef struct {
588   short s0;
589 } struct_s1;
590 TEST(struct_s1)
591 // CHECK-LABEL: define{{.*}} swiftcc i16 @return_struct_s1()
592 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_s1(i16 %0)
593 
594 typedef struct {
595   short s0;
596   short s1;
597 } struct_s2;
598 TEST(struct_s2)
599 // CHECK-LABEL: define{{.*}} swiftcc i32 @return_struct_s2()
600 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_s2(i32 %0)
601 //
602 
603 typedef struct {
604   short s0;
605   short s1;
606   short s2;
607 } struct_s3;
608 TEST(struct_s3)
609 // CHECK-LABEL: define{{.*}} swiftcc i64 @return_struct_s3()
610 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_s3(i64 %0)
611 
612 typedef struct {
613   short s0;
614   short s1;
615   short s2;
616   short s3;
617 } struct_s4;
618 TEST(struct_s4)
619 // CHECK-LABEL: define{{.*}} swiftcc i64 @return_struct_s4()
620 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_s4(i64 %0)
621 
622 typedef struct {
623   short s0;
624   short s1;
625   short s2;
626   short s3;
627   short s4;
628 } struct_s5;
629 TEST(struct_s5)
630 // CHECK-LABEL: define{{.*}} swiftcc { i64, i16 } @return_struct_s5()
631 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_s5(i64 %0, i16 %1)
632 
633 
634 typedef struct {
635   int i0;
636 } struct_i1;
637 TEST(struct_i1)
638 // CHECK-LABEL: define{{.*}} swiftcc i32 @return_struct_i1()
639 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_i1(i32 %0)
640 
641 typedef struct {
642   int i0;
643   int i1;
644 } struct_i2;
645 TEST(struct_i2)
646 // CHECK-LABEL: define{{.*}} swiftcc i64 @return_struct_i2()
647 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_i2(i64 %0)
648 
649 typedef struct {
650   int i0;
651   int i1;
652   int i2;
653 } struct_i3;
654 TEST(struct_i3)
655 // CHECK-LABEL: define{{.*}} swiftcc { i64, i32 } @return_struct_i3()
656 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_i3(i64 %0, i32 %1)
657 
658 typedef struct {
659   int i0;
660   int i1;
661   int i2;
662   int i3;
663 } struct_i4;
664 TEST(struct_i4)
665 // CHECK-LABEL: define{{.*}} swiftcc { i64, i64 } @return_struct_i4()
666 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_i4(i64 %0, i64 %1)
667 
668 typedef struct {
669   long long l0;
670 } struct_l1;
671 TEST(struct_l1)
672 // CHECK-LABEL: define{{.*}} swiftcc i64 @return_struct_l1()
673 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_l1(i64 %0)
674 
675 typedef struct {
676   long long l0;
677   long long l1;
678 } struct_l2;
679 TEST(struct_l2)
680 // CHECK-LABEL: define{{.*}} swiftcc { i64, i64 } @return_struct_l2()
681 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_l2(i64 %0, i64 %1)
682 
683 typedef struct {
684   long long l0;
685   long long l1;
686   long long l2;
687 } struct_l3;
688 TEST(struct_l3)
689 // CHECK-LABEL: define{{.*}} swiftcc { i64, i64, i64 } @return_struct_l3()
690 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_l3(i64 %0, i64 %1, i64 %2)
691 
692 typedef struct {
693   long long l0;
694   long long l1;
695   long long l2;
696   long long l3;
697 } struct_l4;
698 TEST(struct_l4)
699 // CHECK-LABEL: define{{.*}} swiftcc { i64, i64, i64, i64 } @return_struct_l4()
700 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_l4(i64 %0, i64 %1, i64 %2, i64 %3)
701 
702 typedef struct {
703   long long l0;
704   long long l1;
705   long long l2;
706   long long l3;
707   long long l4;
708 } struct_l5;
709 TEST(struct_l5)
710 // CHECK: define{{.*}} swiftcc void @return_struct_l5(ptr dead_on_unwind noalias writable sret([[STRUCT5:.+]])
711 // CHECK: define{{.*}} swiftcc void @take_struct_l5(ptr
712 
713 typedef struct {
714   char16 c0;
715 } struct_vc1;
716 TEST(struct_vc1)
717 // CHECK-LABEL: define{{.*}} swiftcc <16 x i8> @return_struct_vc1()
718 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_vc1(<16 x i8> %0)
719 
720 typedef struct {
721   char16 c0;
722   char16 c1;
723 } struct_vc2;
724 TEST(struct_vc2)
725 // CHECK-LABEL: define{{.*}} swiftcc { <16 x i8>, <16 x i8> } @return_struct_vc2()
726 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_vc2(<16 x i8> %0, <16 x i8> %1)
727 
728 typedef struct {
729   char16 c0;
730   char16 c1;
731   char16 c2;
732 } struct_vc3;
733 TEST(struct_vc3)
734 // CHECK-LABEL: define{{.*}} swiftcc { <16 x i8>, <16 x i8>, <16 x i8> } @return_struct_vc3()
735 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_vc3(<16 x i8> %0, <16 x i8> %1, <16 x i8> %2)
736 
737 typedef struct {
738   char16 c0;
739   char16 c1;
740   char16 c2;
741   char16 c3;
742 } struct_vc4;
743 TEST(struct_vc4)
744 // CHECK-LABEL: define{{.*}} swiftcc { <16 x i8>, <16 x i8>, <16 x i8>, <16 x i8> } @return_struct_vc4()
745 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_vc4(<16 x i8> %0, <16 x i8> %1, <16 x i8> %2, <16 x i8> %3)
746 
747 typedef struct {
748   char16 c0;
749   char16 c1;
750   char16 c2;
751   char16 c3;
752   char16 c4;
753 } struct_vc5;
754 TEST(struct_vc5)
755 // CHECK: define{{.*}} swiftcc void @return_struct_vc5(ptr dead_on_unwind noalias writable sret([[STRUCT:.+]])
756 // CHECK: define{{.*}} swiftcc void @take_struct_vc5(ptr
757 
758 typedef struct {
759   short8 c0;
760 } struct_vs1;
761 TEST(struct_vs1)
762 // CHECK-LABEL: define{{.*}} swiftcc <8 x i16> @return_struct_vs1()
763 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_vs1(<8 x i16> %0)
764 
765 typedef struct {
766   short8 c0;
767   short8 c1;
768 } struct_vs2;
769 TEST(struct_vs2)
770 // CHECK-LABEL: define{{.*}} swiftcc { <8 x i16>, <8 x i16> } @return_struct_vs2()
771 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_vs2(<8 x i16> %0, <8 x i16> %1)
772 
773 typedef struct {
774   short8 c0;
775   short8 c1;
776   short8 c2;
777 } struct_vs3;
778 TEST(struct_vs3)
779 // CHECK-LABEL: define{{.*}} swiftcc { <8 x i16>, <8 x i16>, <8 x i16> } @return_struct_vs3()
780 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_vs3(<8 x i16> %0, <8 x i16> %1, <8 x i16> %2)
781 
782 typedef struct {
783   short8 c0;
784   short8 c1;
785   short8 c2;
786   short8 c3;
787 } struct_vs4;
788 TEST(struct_vs4)
789 // CHECK-LABEL: define{{.*}} swiftcc { <8 x i16>, <8 x i16>, <8 x i16>, <8 x i16> } @return_struct_vs4()
790 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_vs4(<8 x i16> %0, <8 x i16> %1, <8 x i16> %2, <8 x i16> %3)
791 
792 typedef struct {
793   short8 c0;
794   short8 c1;
795   short8 c2;
796   short8 c3;
797   short8 c4;
798 } struct_vs5;
799 TEST(struct_vs5)
800 // CHECK: define{{.*}} swiftcc void @return_struct_vs5(ptr dead_on_unwind noalias writable sret([[STRUCT:.+]])
801 // CHECK: define{{.*}} swiftcc void @take_struct_vs5(ptr
802 
803 typedef struct {
804   int4 c0;
805 } struct_vi1;
806 TEST(struct_vi1)
807 // CHECK-LABEL: define{{.*}} swiftcc <4 x i32> @return_struct_vi1()
808 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_vi1(<4 x i32> %0)
809 
810 typedef struct {
811   int4 c0;
812   int4 c1;
813 } struct_vi2;
814 TEST(struct_vi2)
815 // CHECK-LABEL: define{{.*}} swiftcc { <4 x i32>, <4 x i32> } @return_struct_vi2()
816 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_vi2(<4 x i32> %0, <4 x i32> %1)
817 
818 typedef struct {
819   int4 c0;
820   int4 c1;
821   int4 c2;
822 } struct_vi3;
823 TEST(struct_vi3)
824 // CHECK-LABEL: define{{.*}} swiftcc { <4 x i32>, <4 x i32>, <4 x i32> } @return_struct_vi3()
825 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_vi3(<4 x i32> %0, <4 x i32> %1, <4 x i32> %2)
826 
827 typedef struct {
828   int4 c0;
829   int4 c1;
830   int4 c2;
831   int4 c3;
832 } struct_vi4;
833 TEST(struct_vi4)
834 // CHECK-LABEL: define{{.*}} swiftcc { <4 x i32>, <4 x i32>, <4 x i32>, <4 x i32> } @return_struct_vi4()
835 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_vi4(<4 x i32> %0, <4 x i32> %1, <4 x i32> %2, <4 x i32> %3)
836 
837 typedef struct {
838   int4 c0;
839   int4 c1;
840   int4 c2;
841   int4 c3;
842   int4 c4;
843 } struct_vi5;
844 TEST(struct_vi5)
845 // CHECK: define{{.*}} swiftcc void @return_struct_vi5(ptr dead_on_unwind noalias writable sret([[STRUCT:.+]])
846 // CHECK: define{{.*}} swiftcc void @take_struct_vi5(ptr
847 
848 typedef struct {
849   long2 c0;
850 } struct_vl1;
851 TEST(struct_vl1)
852 // CHECK-LABEL: define{{.*}} swiftcc <2 x i64> @return_struct_vl1()
853 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_vl1(<2 x i64> %0)
854 
855 typedef struct {
856   long2 c0;
857   long2 c1;
858   long2 c2;
859   long2 c3;
860 } struct_vl4;
861 TEST(struct_vl4)
862 // CHECK-LABEL: define{{.*}} swiftcc { <2 x i64>, <2 x i64>, <2 x i64>, <2 x i64> } @return_struct_vl4()
863 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_vl4(<2 x i64> %0, <2 x i64> %1, <2 x i64> %2, <2 x i64> %3)
864 
865 typedef struct {
866   long2 c0;
867   long2 c1;
868   long2 c2;
869   long2 c3;
870   long2 c4;
871 } struct_vl5;
872 TEST(struct_vl5)
873 // CHECK: define{{.*}} swiftcc void @return_struct_vl5(ptr dead_on_unwind noalias writable sret([[STRUCT:.+]])
874 // CHECK: define{{.*}} swiftcc void @take_struct_vl5(ptr
875 
876 typedef struct {
877   double2 c0;
878 } struct_vd1;
879 TEST(struct_vd1)
880 // CHECK-LABEL: define{{.*}} swiftcc <2 x double> @return_struct_vd1()
881 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_vd1(<2 x double> %0)
882 
883 typedef struct {
884   double2 c0;
885   double2 c1;
886   double2 c2;
887   double2 c3;
888 } struct_vd4;
889 TEST(struct_vd4)
890 // CHECK-LABEL: define{{.*}} swiftcc { <2 x double>, <2 x double>, <2 x double>, <2 x double> } @return_struct_vd4()
891 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_vd4(<2 x double> %0, <2 x double> %1, <2 x double> %2, <2 x double> %3)
892 
893 typedef struct {
894   double2 c0;
895   double2 c1;
896   double2 c2;
897   double2 c3;
898   double2 c4;
899 } struct_vd5;
900 TEST(struct_vd5)
901 // CHECK: define{{.*}} swiftcc void @return_struct_vd5(ptr dead_on_unwind noalias writable sret([[STRUCT:.+]])
902 // CHECK: define{{.*}} swiftcc void @take_struct_vd5(ptr
903 
904 typedef struct {
905   double4 c0;
906 } struct_vd41;
907 TEST(struct_vd41)
908 // CHECK-LABEL: define{{.*}} swiftcc { <2 x double>, <2 x double> } @return_struct_vd41()
909 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_vd41(<2 x double> %0, <2 x double> %1)
910 
911 typedef struct {
912   double4 c0;
913   double4 c1;
914 } struct_vd42;
915 TEST(struct_vd42)
916 // CHECK-LABEL: define{{.*}} swiftcc { <2 x double>, <2 x double>, <2 x double>, <2 x double> } @return_struct_vd42()
917 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_vd42(<2 x double> %0, <2 x double> %1, <2 x double> %2, <2 x double> %3)
918 
919 typedef struct {
920   double4 c0;
921   double4 c1;
922   double4 c2;
923 } struct_vd43;
924 TEST(struct_vd43)
925 // CHECK: define{{.*}} swiftcc void @return_struct_vd43(ptr dead_on_unwind noalias writable sret([[STRUCT:.+]])
926 // CHECK: define{{.*}} swiftcc void @take_struct_vd43(ptr
927 
928 typedef struct {
929   float4 c0;
930 } struct_vf1;
931 TEST(struct_vf1)
932 // CHECK-LABEL: define{{.*}} swiftcc <4 x float> @return_struct_vf1()
933 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_vf1(<4 x float> %0)
934 
935 typedef struct {
936   float4 c0;
937   float4 c1;
938 } struct_vf2;
939 TEST(struct_vf2)
940 // CHECK-LABEL: define{{.*}} swiftcc { <4 x float>, <4 x float> } @return_struct_vf2()
941 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_vf2(<4 x float> %0, <4 x float> %1)
942 
943 typedef struct {
944   float4 c0;
945   float4 c1;
946   float4 c2;
947   float4 c3;
948 } struct_vf4;
949 TEST(struct_vf4)
950 // CHECK-LABEL: define{{.*}} swiftcc { <4 x float>, <4 x float>, <4 x float>, <4 x float> } @return_struct_vf4()
951 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_vf4(<4 x float> %0, <4 x float> %1, <4 x float> %2, <4 x float> %3)
952 
953 typedef struct {
954   float4 c0;
955   float4 c1;
956   float4 c2;
957   float4 c3;
958   float4 c4;
959 } struct_vf5;
960 TEST(struct_vf5)
961 // CHECK: define{{.*}} swiftcc void @return_struct_vf5(ptr dead_on_unwind noalias writable sret([[STRUCT:.+]])
962 // CHECK: define{{.*}} swiftcc void @take_struct_vf5(ptr
963 
964 typedef struct {
965   float8 c0;
966 } struct_vf81;
967 TEST(struct_vf81)
968 // CHECK-LABEL: define{{.*}} swiftcc { <4 x float>, <4 x float> } @return_struct_vf81()
969 // CHECK-LABEL: define{{.*}} swiftcc void @take_struct_vf81(<4 x float> %0, <4 x float> %1)
970 
971 // Don't crash.
972 typedef union {
973 int4 v[2];
974 struct {
975   int LSW;
976   int d7;
977   int d6;
978   int d5;
979   int d4;
980   int d3;
981   int d2;
982   int MSW;
983 } s;
984 } union_het_vecint;
985 TEST(union_het_vecint)
986 // CHECK: define{{.*}} swiftcc { i64, i64, i64, i64 } @return_union_het_vecint()
987 // CHECK: define{{.*}} swiftcc void @take_union_het_vecint(i64 %0, i64 %1, i64 %2, i64 %3)
988 
989 typedef struct {
990   float3 f3;
991 } struct_v1f3;
992 TEST(struct_v1f3)
993 // ARM64-LABEL: define{{.*}} swiftcc { <2 x float>, float } @return_struct_v1f3()
994 // ARM64-LABEL: define{{.*}} swiftcc void @take_struct_v1f3(<2 x float> %0, float %1)
995 
996 typedef struct {
997   int3 vect;
998   unsigned long long val;
999 } __attribute__((packed)) padded_alloc_size_vector;
1000 TEST(padded_alloc_size_vector)
1001 // X86-64-LABEL: take_padded_alloc_size_vector(<3 x i32> %0, i64 %1)
1002 // X86-64-NOT: [4 x i8]
1003 // x86-64: ret void
1004 
1005 typedef union {
1006   float f1;
1007   float3 fv2;
1008 } union_hom_fp_partial2;
1009 TEST(union_hom_fp_partial2)
1010 // X86-64-LABEL: take_union_hom_fp_partial2(float %0, float %1, float %2)
1011 // ARM64-LABEL: take_union_hom_fp_partial2(float %0, float %1, float %2)
1012 
1013 // At one point, we emitted lifetime.ends without a matching lifetime.start for
1014 // CoerceAndExpanded args. Since we're not performing optimizations, neither
1015 // intrinsic should be emitted.
1016 // CHECK-LABEL: define{{.*}} void @no_lifetime_markers
1017 void no_lifetime_markers() {
1018   // CHECK-NOT: call void @llvm.lifetime.
1019   take_int5(return_int5());
1020 }
1021 
1022 typedef struct {
1023   unsigned long long a;
1024   unsigned long long b;
1025 } double_word;
1026 
1027 typedef struct {
1028   _Atomic(double_word) a;
1029 } atomic_double_word;
1030 
1031 // CHECK-LABEL: use_atomic(i64 %0, i64 %1)
1032 SWIFTCALL void use_atomic(atomic_double_word a) {}
1033 
1034 typedef struct {
1035   unsigned long long a;
1036   unsigned char b;
1037 } __attribute__((packed)) packed;
1038 
1039 typedef struct {
1040   _Atomic(packed) a;
1041 } atomic_padded;
1042 
1043 // CHECK-LABEL: use_atomic_padded(i64 %0, i64 %1)
1044 SWIFTCALL void use_atomic_padded(atomic_padded a) {}
1045 
1046 
1047 typedef union {
1048   float4 v;
1049   float3 v2;
1050   struct {
1051     float a;
1052     float b;
1053     float c;
1054     float d;
1055   };
1056 } vector_union;
1057 
1058 TEST(vector_union)
1059 
1060 // CHECK-LABEL: define swiftcc { float, float, float, float } @return_vector_union()
1061 // CHECK-LABEL: define swiftcc void @take_vector_union(float %0, float %1, float %2, float %3)
1062