1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -target-cpu core2 -emit-llvm -o - %s | FileCheck %s
2 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -target-cpu core2 -emit-llvm -o - %s | FileCheck %s --check-prefix=X86-64
3 // RUN: %clang_cc1 -triple arm64-apple-ios9 -target-cpu cyclone -emit-llvm -o - %s | FileCheck %s
4 // RUN: %clang_cc1 -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 OUT __attribute__((swift_indirect_result))
10 #define ERROR __attribute__((swift_error_result))
11 #define CONTEXT __attribute__((swift_context))
12 
13 // CHECK: [[STRUCT2_RESULT:@.*]] = private {{.*}} constant [[STRUCT2_TYPE:%.*]] { i32 0, i8 0, i8 undef, i8 0, i32 0, i32 0 }
14 
15 /*****************************************************************************/
16 /****************************** PARAMETER ABIS *******************************/
17 /*****************************************************************************/
18 
19 SWIFTCALL void indirect_result_1(OUT int *arg0, OUT float *arg1) {}
20 // CHECK-LABEL: define {{.*}} void @indirect_result_1(i32* noalias sret align 4 dereferenceable(4){{.*}}, float* noalias align 4 dereferenceable(4){{.*}})
21 
22 // TODO: maybe this shouldn't suppress sret.
23 SWIFTCALL int indirect_result_2(OUT int *arg0, OUT float *arg1) {  __builtin_unreachable(); }
24 // CHECK-LABEL: define {{.*}} i32 @indirect_result_2(i32* noalias align 4 dereferenceable(4){{.*}}, float* noalias align 4 dereferenceable(4){{.*}})
25 
26 typedef struct { char array[1024]; } struct_reallybig;
27 SWIFTCALL struct_reallybig indirect_result_3(OUT int *arg0, OUT float *arg1) { __builtin_unreachable(); }
28 // CHECK-LABEL: define {{.*}} void @indirect_result_3({{.*}}* noalias sret {{.*}}, i32* noalias align 4 dereferenceable(4){{.*}}, float* noalias align 4 dereferenceable(4){{.*}})
29 
30 SWIFTCALL void context_1(CONTEXT void *self) {}
31 // CHECK-LABEL: define {{.*}} void @context_1(i8* swiftself
32 
33 SWIFTCALL void context_2(void *arg0, CONTEXT void *self) {}
34 // CHECK-LABEL: define {{.*}} void @context_2(i8*{{.*}}, i8* swiftself
35 
36 SWIFTCALL void context_error_1(CONTEXT int *self, ERROR float **error) {}
37 // CHECK-LABEL: define {{.*}} void @context_error_1(i32* swiftself{{.*}}, float** swifterror)
38 // CHECK:       [[TEMP:%.*]] = alloca float*, align 8
39 // CHECK:       [[T0:%.*]] = load float*, float** [[ERRORARG:%.*]], align 8
40 // CHECK:       store float* [[T0]], float** [[TEMP]], align 8
41 // CHECK:       [[T0:%.*]] = load float*, float** [[TEMP]], align 8
42 // CHECK:       store float* [[T0]], float** [[ERRORARG]], align 8
43 void test_context_error_1() {
44   int x;
45   float *error;
46   context_error_1(&x, &error);
47 }
48 // CHECK-LABEL: define void @test_context_error_1()
49 // CHECK:       [[X:%.*]] = alloca i32, align 4
50 // CHECK:       [[ERROR:%.*]] = alloca float*, align 8
51 // CHECK:       [[TEMP:%.*]] = alloca swifterror float*, align 8
52 // CHECK:       [[T0:%.*]] = load float*, float** [[ERROR]], align 8
53 // CHECK:       store float* [[T0]], float** [[TEMP]], align 8
54 // CHECK:       call [[SWIFTCC:swiftcc]] void @context_error_1(i32* swiftself [[X]], float** swifterror [[TEMP]])
55 // CHECK:       [[T0:%.*]] = load float*, float** [[TEMP]], align 8
56 // CHECK:       store float* [[T0]], float** [[ERROR]], align 8
57 
58 SWIFTCALL void context_error_2(short s, CONTEXT int *self, ERROR float **error) {}
59 // CHECK-LABEL: define {{.*}} void @context_error_2(i16{{.*}}, i32* swiftself{{.*}}, float** swifterror)
60 
61 /*****************************************************************************/
62 /********************************** LOWERING *********************************/
63 /*****************************************************************************/
64 
65 typedef float float3 __attribute__((ext_vector_type(3)));
66 typedef float float4 __attribute__((ext_vector_type(4)));
67 typedef float float8 __attribute__((ext_vector_type(8)));
68 typedef double double2 __attribute__((ext_vector_type(2)));
69 typedef double double4 __attribute__((ext_vector_type(4)));
70 typedef int int3 __attribute__((ext_vector_type(3)));
71 typedef int int4 __attribute__((ext_vector_type(4)));
72 typedef int int5 __attribute__((ext_vector_type(5)));
73 typedef int int8 __attribute__((ext_vector_type(8)));
74 typedef char char16 __attribute__((ext_vector_type(16)));
75 typedef short short8 __attribute__((ext_vector_type(8)));
76 typedef long long long2 __attribute__((ext_vector_type(2)));
77 
78 #define TEST(TYPE)                       \
79   SWIFTCALL TYPE return_##TYPE(void) {   \
80     TYPE result = {};                    \
81     return result;                       \
82   }                                      \
83   SWIFTCALL void take_##TYPE(TYPE v) {   \
84   }                                      \
85   void test_##TYPE() {                   \
86     take_##TYPE(return_##TYPE());        \
87   }
88 
89 /*****************************************************************************/
90 /*********************************** STRUCTS *********************************/
91 /*****************************************************************************/
92 
93 typedef struct {
94 } struct_empty;
95 TEST(struct_empty);
96 // CHECK-LABEL: define {{.*}} @return_struct_empty()
97 // CHECK:   ret void
98 // CHECK-LABEL: define {{.*}} @take_struct_empty()
99 // CHECK:   ret void
100 
101 typedef struct {
102   int x;
103   char c0;
104   char c1;
105   int f0;
106   int f1;
107 } struct_1;
108 TEST(struct_1);
109 // CHECK-LABEL: define swiftcc { i64, i64 } @return_struct_1() {{.*}}{
110 // CHECK:   [[RET:%.*]] = alloca [[STRUCT1:%.*]], align 4
111 // CHECK:   call void @llvm.memset
112 // CHECK:   [[CAST:%.*]] = bitcast [[STRUCT1]]* %retval to { i64, i64 }*
113 // CHECK:   [[GEP0:%.*]] = getelementptr inbounds { i64, i64 }, { i64, i64 }* [[CAST]], i32 0, i32 0
114 // CHECK:   [[T0:%.*]] = load i64, i64* [[GEP0]], align 4
115 // CHECK:   [[GEP1:%.*]] = getelementptr inbounds { i64, i64 }, { i64, i64 }* [[CAST]], i32 0, i32 1
116 // CHECK:   [[T1:%.*]] = load i64, i64* [[GEP1]], align 4
117 // CHECK:   [[R0:%.*]] = insertvalue { i64, i64 } undef, i64 [[T0]], 0
118 // CHECK:   [[R1:%.*]] = insertvalue { i64, i64 } [[R0]], i64 [[T1]], 1
119 // CHECK:   ret { i64, i64 } [[R1]]
120 // CHECK: }
121 // CHECK-LABEL: define swiftcc void @take_struct_1(i64, i64) {{.*}}{
122 // CHECK:   [[V:%.*]] = alloca [[STRUCT1:%.*]], align 4
123 // CHECK:   [[CAST:%.*]] = bitcast [[STRUCT1]]* [[V]] to { i64, i64 }*
124 // CHECK:   [[GEP0:%.*]] = getelementptr inbounds { i64, i64 }, { i64, i64 }* [[CAST]], i32 0, i32 0
125 // CHECK:   store i64 %0, i64* [[GEP0]], align 4
126 // CHECK:   [[GEP1:%.*]] = getelementptr inbounds { i64, i64 }, { i64, i64 }* [[CAST]], i32 0, i32 1
127 // CHECK:   store i64 %1, i64* [[GEP1]], align 4
128 // CHECK:   ret void
129 // CHECK: }
130 // CHECK-LABEL: define void @test_struct_1() {{.*}}{
131 // CHECK:   [[AGG:%.*]] = alloca [[STRUCT1:%.*]], align 4
132 // CHECK:   [[RET:%.*]] = call swiftcc { i64, i64 } @return_struct_1()
133 // CHECK:   [[CAST:%.*]] = bitcast [[STRUCT1]]* [[AGG]] to { i64, i64 }*
134 // CHECK:   [[GEP0:%.*]] = getelementptr inbounds { i64, i64 }, { i64, i64 }* [[CAST]], i32 0, i32 0
135 // CHECK:   [[E0:%.*]] = extractvalue { i64, i64 } [[RET]], 0
136 // CHECK:   store i64 [[E0]], i64* [[GEP0]], align 4
137 // CHECK:   [[GEP1:%.*]] = getelementptr inbounds { i64, i64 }, { i64, i64 }* [[CAST]], i32 0, i32 1
138 // CHECK:   [[E1:%.*]] = extractvalue { i64, i64 } [[RET]], 1
139 // CHECK:   store i64 [[E1]], i64* [[GEP1]], align 4
140 // CHECK:   [[CAST2:%.*]] = bitcast [[STRUCT1]]* [[AGG]] to { i64, i64 }*
141 // CHECK:   [[GEP2:%.*]] = getelementptr inbounds { i64, i64 }, { i64, i64 }* [[CAST2]], i32 0, i32 0
142 // CHECK:   [[V0:%.*]] = load i64, i64* [[GEP2]], align 4
143 // CHECK:   [[GEP3:%.*]] = getelementptr inbounds { i64, i64 }, { i64, i64 }* [[CAST2]], i32 0, i32 1
144 // CHECK:   [[V1:%.*]] = load i64, i64* [[GEP3]], align 4
145 // CHECK:   call swiftcc void @take_struct_1(i64 [[V0]], i64 [[V1]])
146 // CHECK:   ret void
147 // CHECK: }
148 
149 typedef struct {
150   int x;
151   char c0;
152   __attribute__((aligned(2))) char c1;
153   int f0;
154   int f1;
155 } struct_2;
156 TEST(struct_2);
157 // CHECK-LABEL: define swiftcc { i64, i64 } @return_struct_2() {{.*}}{
158 // CHECK:   [[RET:%.*]] = alloca [[STRUCT2_TYPE]], align 4
159 // CHECK:   [[CASTVAR:%.*]] = bitcast {{.*}} [[RET]]
160 // CHECK:   call void @llvm.memcpy{{.*}}({{.*}}[[CASTVAR]], {{.*}}[[STRUCT2_RESULT]]
161 // CHECK:   [[CAST:%.*]] = bitcast [[STRUCT2_TYPE]]* [[RET]] to { i64, i64 }*
162 // CHECK:   [[GEP0:%.*]] = getelementptr inbounds { i64, i64 }, { i64, i64 }* [[CAST]], i32 0, i32 0
163 // CHECK:   [[T0:%.*]] = load i64, i64* [[GEP0]], align 4
164 // CHECK:   [[GEP1:%.*]] = getelementptr inbounds { i64, i64 }, { i64, i64 }* [[CAST]], i32 0, i32 1
165 // CHECK:   [[T1:%.*]] = load i64, i64* [[GEP1]], align 4
166 // CHECK:   [[R0:%.*]] = insertvalue { i64, i64 } undef, i64 [[T0]], 0
167 // CHECK:   [[R1:%.*]] = insertvalue { i64, i64 } [[R0]], i64 [[T1]], 1
168 // CHECK:   ret { i64, i64 } [[R1]]
169 // CHECK: }
170 // CHECK-LABEL: define swiftcc void @take_struct_2(i64, i64) {{.*}}{
171 // CHECK:   [[V:%.*]] = alloca [[STRUCT:%.*]], align 4
172 // CHECK:   [[CAST:%.*]] = bitcast [[STRUCT]]* [[V]] to { i64, i64 }*
173 // CHECK:   [[GEP0:%.*]] = getelementptr inbounds { i64, i64 }, { i64, i64 }* [[CAST]], i32 0, i32 0
174 // CHECK:   store i64 %0, i64* [[GEP0]], align 4
175 // CHECK:   [[GEP1:%.*]] = getelementptr inbounds { i64, i64 }, { i64, i64 }* [[CAST]], i32 0, i32 1
176 // CHECK:   store i64 %1, i64* [[GEP1]], align 4
177 // CHECK:   ret void
178 // CHECK: }
179 // CHECK-LABEL: define void @test_struct_2() {{.*}} {
180 // CHECK:   [[TMP:%.*]] = alloca [[STRUCT2_TYPE]], align 4
181 // CHECK:   [[CALL:%.*]] = call swiftcc { i64, i64 } @return_struct_2()
182 // CHECK:   [[CAST_TMP:%.*]] = bitcast [[STRUCT2_TYPE]]* [[TMP]] to { i64, i64 }*
183 // CHECK:   [[GEP:%.*]] = getelementptr inbounds {{.*}} [[CAST_TMP]], i32 0, i32 0
184 // CHECK:   [[T0:%.*]] = extractvalue { i64, i64 } [[CALL]], 0
185 // CHECK:   store i64 [[T0]], i64* [[GEP]], align 4
186 // CHECK:   [[GEP:%.*]] = getelementptr inbounds {{.*}} [[CAST_TMP]], i32 0, i32 1
187 // CHECK:   [[T0:%.*]] = extractvalue { i64, i64 } [[CALL]], 1
188 // CHECK:   store i64 [[T0]], i64* [[GEP]], align 4
189 // CHECK:   [[CAST:%.*]] = bitcast [[STRUCT2_TYPE]]* [[TMP]] to { i64, i64 }*
190 // CHECK:   [[GEP:%.*]] = getelementptr inbounds { i64, i64 }, { i64, i64 }* [[CAST]], i32 0, i32 0
191 // CHECK:   [[R0:%.*]] = load i64, i64* [[GEP]], align 4
192 // CHECK:   [[GEP:%.*]] = getelementptr inbounds { i64, i64 }, { i64, i64 }* [[CAST]], i32 0, i32 1
193 // CHECK:   [[R1:%.*]] = load i64, i64* [[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:  [[CAST:%.*]] = bitcast [[STRUCT]]* [[RET]] to i8*
212 // CHECK:  call void @llvm.memset{{.*}}(i8* align 1 [[CAST]], i8 0, i64 5
213 // CHECK:  [[CAST:%.*]] = bitcast [[STRUCT]]* [[RET]] to { i64 }*
214 // CHECK:  [[GEP:%.*]] = getelementptr inbounds { i64 }, { i64 }* [[CAST]], i32 0, i32 0
215 // CHECK:  [[R0:%.*]] = load i64, i64* [[GEP]], align 1
216 // CHECK:  ret i64 [[R0]]
217 // CHECK:}
218 // CHECK-LABEL: define swiftcc void @take_struct_misaligned_1(i64) {{.*}}{
219 // CHECK:   [[V:%.*]] = alloca [[STRUCT:%.*]], align 1
220 // CHECK:   [[CAST:%.*]] = bitcast [[STRUCT]]* [[V]] to { i64 }*
221 // CHECK:   [[GEP:%.*]] = getelementptr inbounds { i64 }, { i64 }* [[CAST]], i32 0, i32 0
222 // CHECK:   store i64 %0, i64* [[GEP]], align 1
223 // CHECK:   ret void
224 // CHECK: }
225 // CHECK: define void @test_struct_misaligned_1() {{.*}}{
226 // CHECK:   [[AGG:%.*]] = alloca [[STRUCT:%.*]], align 1
227 // CHECK:   [[CALL:%.*]] = call swiftcc i64 @return_struct_misaligned_1()
228 // CHECK:   [[T0:%.*]] = bitcast [[STRUCT]]* [[AGG]] to { i64 }*
229 // CHECK:   [[T1:%.*]] = getelementptr inbounds { i64 }, { i64 }* [[T0]], i32 0, i32 0
230 // CHECK:   store i64 [[CALL]], i64* [[T1]], align 1
231 // CHECK:   [[T0:%.*]] = bitcast [[STRUCT]]* [[AGG]] to { i64 }*
232 // CHECK:   [[T1:%.*]] = getelementptr inbounds { i64 }, { i64 }* [[T0]], i32 0, i32 0
233 // CHECK:   [[P:%.*]] = load i64, i64* [[T1]], align 1
234 // CHECK:   call swiftcc void @take_struct_misaligned_1(i64 [[P]])
235 // CHECK:   ret void
236 // CHECK: }
237 
238 // Too many scalars.
239 typedef struct {
240   long long x[5];
241 } struct_big_1;
242 TEST(struct_big_1)
243 
244 // CHECK-LABEL: define {{.*}} void @return_struct_big_1({{.*}} noalias sret
245 
246 // Should not be byval.
247 // CHECK-LABEL: define {{.*}} void @take_struct_big_1({{.*}}*{{( %.*)?}})
248 
249 /*****************************************************************************/
250 /********************************* TYPE MERGING ******************************/
251 /*****************************************************************************/
252 
253 typedef union {
254   float f;
255   double d;
256 } union_het_fp;
257 TEST(union_het_fp)
258 // CHECK-LABEL: define swiftcc i64 @return_union_het_fp()
259 // CHECK:  [[RET:%.*]] = alloca [[UNION:%.*]], align 8
260 // CHECK:  [[CAST:%.*]] = bitcast [[UNION]]* [[RET]] to i8*
261 // CHECK:  call void @llvm.memcpy{{.*}}(i8* align 8 [[CAST]]
262 // CHECK:  [[CAST:%.*]] = bitcast [[UNION]]* [[RET]] to { i64 }*
263 // CHECK:  [[GEP:%.*]] = getelementptr inbounds { i64 }, { i64 }* [[CAST]], i32 0, i32 0
264 // CHECK:  [[R0:%.*]] = load i64, i64* [[GEP]], align 8
265 // CHECK:  ret i64 [[R0]]
266 // CHECK-LABEL: define swiftcc void @take_union_het_fp(i64) {{.*}}{
267 // CHECK:   [[V:%.*]] = alloca [[UNION:%.*]], align 8
268 // CHECK:   [[CAST:%.*]] = bitcast [[UNION]]* [[V]] to { i64 }*
269 // CHECK:   [[GEP:%.*]] = getelementptr inbounds { i64 }, { i64 }* [[CAST]], i32 0, i32 0
270 // CHECK:   store i64 %0, i64* [[GEP]], align 8
271 // CHECK:   ret void
272 // CHECK: }
273 // CHECK-LABEL: define void @test_union_het_fp() {{.*}}{
274 // CHECK:   [[AGG:%.*]] = alloca [[UNION:%.*]], align 8
275 // CHECK:   [[CALL:%.*]] = call swiftcc i64 @return_union_het_fp()
276 // CHECK:   [[T0:%.*]] = bitcast [[UNION]]* [[AGG]] to { i64 }*
277 // CHECK:   [[T1:%.*]] = getelementptr inbounds { i64 }, { i64 }* [[T0]], i32 0, i32 0
278 // CHECK:   store i64 [[CALL]], i64* [[T1]], align 8
279 // CHECK:   [[T0:%.*]] = bitcast [[UNION]]* [[AGG]] to { i64 }*
280 // CHECK:   [[T1:%.*]] = getelementptr inbounds { i64 }, { i64 }* [[T0]], i32 0, i32 0
281 // CHECK:   [[V0:%.*]] = load i64, i64* [[T1]], align 8
282 // CHECK:   call swiftcc void @take_union_het_fp(i64 [[V0]])
283 // CHECK:   ret void
284 // CHECK: }
285 
286 
287 typedef union {
288   float f1;
289   float f2;
290 } union_hom_fp;
291 TEST(union_hom_fp)
292 // CHECK-LABEL: define void @test_union_hom_fp()
293 // CHECK:   [[TMP:%.*]] = alloca [[REC:%.*]], align 4
294 // CHECK:   [[CALL:%.*]] = call [[SWIFTCC]] float @return_union_hom_fp()
295 // CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[TMP]] to [[AGG:{ float }]]*
296 // CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
297 // CHECK:   store float [[CALL]], float* [[T0]], align 4
298 // CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[TMP]] to [[AGG]]*
299 // CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
300 // CHECK:   [[FIRST:%.*]] = load float, float* [[T0]], align 4
301 // CHECK:   call [[SWIFTCC]] void @take_union_hom_fp(float [[FIRST]])
302 // CHECK:   ret void
303 
304 typedef union {
305   float f1;
306   float4 fv2;
307 } union_hom_fp_partial;
308 TEST(union_hom_fp_partial)
309 // CHECK: define void @test_union_hom_fp_partial()
310 // CHECK:   [[AGG:%.*]] = alloca [[UNION:%.*]], align 16
311 // CHECK:   [[CALL:%.*]] = call swiftcc { float, float, float, float } @return_union_hom_fp_partial()
312 // CHECK:   [[CAST:%.*]] = bitcast [[UNION]]* [[AGG]] to { float, float, float, float }*
313 // CHECK:   [[T0:%.*]] = getelementptr inbounds { float, float, float, float }, { float, float, float, float }* [[CAST]], i32 0, i32 0
314 // CHECK:   [[T1:%.*]] = extractvalue { float, float, float, float } [[CALL]], 0
315 // CHECK:   store float [[T1]], float* [[T0]], align 16
316 // CHECK:   [[T0:%.*]] = getelementptr inbounds { float, float, float, float }, { float, float, float, float }* [[CAST]], i32 0, i32 1
317 // CHECK:   [[T1:%.*]] = extractvalue { float, float, float, float } [[CALL]], 1
318 // CHECK:   store float [[T1]], float* [[T0]], align 4
319 // CHECK:   [[T0:%.*]] = getelementptr inbounds { float, float, float, float }, { float, float, float, float }* [[CAST]], i32 0, i32 2
320 // CHECK:   [[T1:%.*]] = extractvalue { float, float, float, float } [[CALL]], 2
321 // CHECK:   store float [[T1]], float* [[T0]], align 8
322 // CHECK:   [[T0:%.*]] = getelementptr inbounds { float, float, float, float }, { float, float, float, float }* [[CAST]], i32 0, i32 3
323 // CHECK:   [[T1:%.*]] = extractvalue { float, float, float, float } [[CALL]], 3
324 // CHECK:   store float [[T1]], float* [[T0]], align 4
325 // CHECK:   [[CAST:%.*]] = bitcast [[UNION]]* [[AGG]] to { float, float, float, float }*
326 // CHECK:   [[T0:%.*]] = getelementptr inbounds { float, float, float, float }, { float, float, float, float }* [[CAST]], i32 0, i32 0
327 // CHECK:   [[V0:%.*]] = load float, float* [[T0]], align 16
328 // CHECK:   [[T0:%.*]] = getelementptr inbounds { float, float, float, float }, { float, float, float, float }* [[CAST]], i32 0, i32 1
329 // CHECK:   [[V1:%.*]] = load float, float* [[T0]], align 4
330 // CHECK:   [[T0:%.*]] = getelementptr inbounds { float, float, float, float }, { float, float, float, float }* [[CAST]], i32 0, i32 2
331 // CHECK:   [[V2:%.*]] = load float, float* [[T0]], align 8
332 // CHECK:   [[T0:%.*]] = getelementptr inbounds { float, float, float, float }, { float, float, float, float }* [[CAST]], i32 0, i32 3
333 // CHECK:   [[V3:%.*]] = load float, float* [[T0]], align 4
334 // CHECK:   call swiftcc void @take_union_hom_fp_partial(float [[V0]], float [[V1]], float [[V2]], float [[V3]])
335 // CHECK:   ret void
336 // CHECK: }
337 
338 typedef union {
339   struct { int x, y; } f1;
340   float4 fv2;
341 } union_het_fpv_partial;
342 TEST(union_het_fpv_partial)
343 // CHECK-LABEL: define void @test_union_het_fpv_partial()
344 // CHECK:   [[AGG:%.*]] = alloca [[UNION:%.*]], align 16
345 // CHECK:   [[CALL:%.*]] = call swiftcc { i64, float, float } @return_union_het_fpv_partial()
346 // CHECK:   [[CAST:%.*]] = bitcast [[UNION]]* [[AGG]] to { i64, float, float }*
347 // CHECK:   [[T0:%.*]] = getelementptr inbounds { i64, float, float }, { i64, float, float }* [[CAST]], i32 0, i32 0
348 // CHECK:   [[T1:%.*]] = extractvalue { i64, float, float } [[CALL]], 0
349 // CHECK:   store i64 [[T1]], i64* [[T0]], align 16
350 // CHECK:   [[T0:%.*]] = getelementptr inbounds { i64, float, float }, { i64, float, float }* [[CAST]], i32 0, i32 1
351 // CHECK:   [[T1:%.*]] = extractvalue { i64, float, float } [[CALL]], 1
352 // CHECK:   store float [[T1]], float* [[T0]], align 8
353 // CHECK:   [[T0:%.*]] = getelementptr inbounds { i64, float, float }, { i64, float, float }* [[CAST]], i32 0, i32 2
354 // CHECK:   [[T1:%.*]] = extractvalue { i64, float, float } [[CALL]], 2
355 // CHECK:   store float [[T1]], float* [[T0]], align 4
356 // CHECK:   [[CAST:%.*]] = bitcast [[UNION]]* [[AGG]] to { i64, float, float }*
357 // CHECK:   [[T0:%.*]] = getelementptr inbounds { i64, float, float }, { i64, float, float }* [[CAST]], i32 0, i32 0
358 // CHECK:   [[V0:%.*]] = load i64, i64* [[T0]], align 16
359 // CHECK:   [[T0:%.*]] = getelementptr inbounds { i64, float, float }, { i64, float, float }* [[CAST]], i32 0, i32 1
360 // CHECK:   [[V1:%.*]] = load float, float* [[T0]], align 8
361 // CHECK:   [[T0:%.*]] = getelementptr inbounds { i64, float, float }, { i64, float, float }* [[CAST]], i32 0, i32 2
362 // CHECK:   [[V2:%.*]] = load float, float* [[T0]], align 4
363 // CHECK:   call swiftcc void @take_union_het_fpv_partial(i64 [[V0]], float [[V1]], float [[V2]])
364 // CHECK:   ret void
365 // CHECK: }
366 
367 /*****************************************************************************/
368 /****************************** VECTOR LEGALIZATION **************************/
369 /*****************************************************************************/
370 
371 TEST(int4)
372 // CHECK-LABEL: define {{.*}} <4 x i32> @return_int4()
373 // CHECK-LABEL: define {{.*}} @take_int4(<4 x i32>
374 
375 TEST(int8)
376 // CHECK-LABEL: define {{.*}} @return_int8()
377 // CHECK:   [[RET:%.*]] = alloca [[REC:<8 x i32>]], align 16
378 // CHECK:   [[VAR:%.*]] = alloca [[REC]], align
379 // CHECK:   store
380 // CHECK:   load
381 // CHECK:   store
382 // CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[RET]] to [[AGG:{ <4 x i32>, <4 x i32> }]]*
383 // CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
384 // CHECK:   [[FIRST:%.*]] = load <4 x i32>, <4 x i32>* [[T0]], align
385 // CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
386 // CHECK:   [[SECOND:%.*]] = load <4 x i32>, <4 x i32>* [[T0]], align
387 // CHECK:   [[T0:%.*]] = insertvalue [[UAGG:{ <4 x i32>, <4 x i32> }]] undef, <4 x i32> [[FIRST]], 0
388 // CHECK:   [[T1:%.*]] = insertvalue [[UAGG]] [[T0]], <4 x i32> [[SECOND]], 1
389 // CHECK:   ret [[UAGG]] [[T1]]
390 // CHECK-LABEL: define {{.*}} @take_int8(<4 x i32>, <4 x i32>)
391 // CHECK:   [[V:%.*]] = alloca [[REC]], align
392 // CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[V]] to [[AGG]]*
393 // CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
394 // CHECK:   store <4 x i32> %0, <4 x i32>* [[T0]], align
395 // CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
396 // CHECK:   store <4 x i32> %1, <4 x i32>* [[T0]], align
397 // CHECK:   ret void
398 // CHECK-LABEL: define void @test_int8()
399 // CHECK:   [[TMP1:%.*]] = alloca [[REC]], align
400 // CHECK:   [[TMP2:%.*]] = alloca [[REC]], align
401 // CHECK:   [[CALL:%.*]] = call [[SWIFTCC]] [[UAGG]] @return_int8()
402 // CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[TMP1]] to [[AGG]]*
403 // CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
404 // CHECK:   [[T1:%.*]] = extractvalue [[UAGG]] [[CALL]], 0
405 // CHECK:   store <4 x i32> [[T1]], <4 x i32>* [[T0]], align
406 // CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
407 // CHECK:   [[T1:%.*]] = extractvalue [[UAGG]] [[CALL]], 1
408 // CHECK:   store <4 x i32> [[T1]], <4 x i32>* [[T0]], align
409 // CHECK:   [[V:%.*]] = load [[REC]], [[REC]]* [[TMP1]], align
410 // CHECK:   store [[REC]] [[V]], [[REC]]* [[TMP2]], align
411 // CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[TMP2]] to [[AGG]]*
412 // CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
413 // CHECK:   [[FIRST:%.*]] = load <4 x i32>, <4 x i32>* [[T0]], align
414 // CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
415 // CHECK:   [[SECOND:%.*]] = load <4 x i32>, <4 x i32>* [[T0]], align
416 // CHECK:   call [[SWIFTCC]] void @take_int8(<4 x i32> [[FIRST]], <4 x i32> [[SECOND]])
417 // CHECK:   ret void
418 
419 TEST(int5)
420 // CHECK-LABEL: define {{.*}} @return_int5()
421 // CHECK:   [[RET:%.*]] = alloca [[REC:<5 x i32>]], align 16
422 // CHECK:   [[VAR:%.*]] = alloca [[REC]], align
423 // CHECK:   store
424 // CHECK:   load
425 // CHECK:   store
426 // CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[RET]] to [[AGG:{ <4 x i32>, i32 }]]*
427 // CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
428 // CHECK:   [[FIRST:%.*]] = load <4 x i32>, <4 x i32>* [[T0]], align
429 // CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
430 // CHECK:   [[SECOND:%.*]] = load i32, i32* [[T0]], align
431 // CHECK:   [[T0:%.*]] = insertvalue [[UAGG:{ <4 x i32>, i32 }]] undef, <4 x i32> [[FIRST]], 0
432 // CHECK:   [[T1:%.*]] = insertvalue [[UAGG]] [[T0]], i32 [[SECOND]], 1
433 // CHECK:   ret [[UAGG]] [[T1]]
434 // CHECK-LABEL: define {{.*}} @take_int5(<4 x i32>, i32)
435 // CHECK:   [[V:%.*]] = alloca [[REC]], align
436 // CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[V]] to [[AGG]]*
437 // CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
438 // CHECK:   store <4 x i32> %0, <4 x i32>* [[T0]], align
439 // CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
440 // CHECK:   store i32 %1, i32* [[T0]], align
441 // CHECK:   ret void
442 // CHECK-LABEL: define void @test_int5()
443 // CHECK:   [[TMP1:%.*]] = alloca [[REC]], align
444 // CHECK:   [[TMP2:%.*]] = alloca [[REC]], align
445 // CHECK:   [[CALL:%.*]] = call [[SWIFTCC]] [[UAGG]] @return_int5()
446 // CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[TMP1]] to [[AGG]]*
447 // CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
448 // CHECK:   [[T1:%.*]] = extractvalue [[UAGG]] [[CALL]], 0
449 // CHECK:   store <4 x i32> [[T1]], <4 x i32>* [[T0]], align
450 // CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
451 // CHECK:   [[T1:%.*]] = extractvalue [[UAGG]] [[CALL]], 1
452 // CHECK:   store i32 [[T1]], i32* [[T0]], align
453 // CHECK:   [[V:%.*]] = load [[REC]], [[REC]]* [[TMP1]], align
454 // CHECK:   store [[REC]] [[V]], [[REC]]* [[TMP2]], align
455 // CHECK:   [[CAST_TMP:%.*]] = bitcast [[REC]]* [[TMP2]] to [[AGG]]*
456 // CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
457 // CHECK:   [[FIRST:%.*]] = load <4 x i32>, <4 x i32>* [[T0]], align
458 // CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
459 // CHECK:   [[SECOND:%.*]] = load i32, i32* [[T0]], align
460 // CHECK:   call [[SWIFTCC]] void @take_int5(<4 x i32> [[FIRST]], i32 [[SECOND]])
461 // CHECK:   ret void
462 
463 typedef struct {
464   int x;
465   int3 v __attribute__((packed));
466 } misaligned_int3;
467 TEST(misaligned_int3)
468 // CHECK-LABEL: define swiftcc void @take_misaligned_int3(i64, i64)
469 
470 typedef struct {
471   float f0;
472 } struct_f1;
473 TEST(struct_f1)
474 // CHECK-LABEL: define swiftcc float @return_struct_f1()
475 // CHECK-LABEL: define swiftcc void @take_struct_f1(float)
476 
477 typedef struct {
478   float f0;
479   float f1;
480 } struct_f2;
481 TEST(struct_f2)
482 // CHECK-LABEL: define swiftcc { float, float } @return_struct_f2()
483 // CHECK-LABEL: define swiftcc void @take_struct_f2(float, float)
484 
485 typedef struct {
486   float f0;
487   float f1;
488   float f2;
489 } struct_f3;
490 TEST(struct_f3)
491 // CHECK-LABEL: define swiftcc { float, float, float } @return_struct_f3()
492 // CHECK-LABEL: define swiftcc void @take_struct_f3(float, float, float)
493 
494 typedef struct {
495   float f0;
496   float f1;
497   float f2;
498   float f3;
499 } struct_f4;
500 TEST(struct_f4)
501 // CHECK-LABEL: define swiftcc { float, float, float, float } @return_struct_f4()
502 // CHECK-LABEL: define swiftcc void @take_struct_f4(float, float, float, float)
503 
504 
505 typedef struct {
506   double d0;
507 } struct_d1;
508 TEST(struct_d1)
509 // CHECK-LABEL: define swiftcc double @return_struct_d1()
510 // CHECK-LABEL: define swiftcc void @take_struct_d1(double)
511 
512 typedef struct {
513   double d0;
514   double d1;
515 } struct_d2;
516 TEST(struct_d2)
517 
518 // CHECK-LABEL: define swiftcc { double, double } @return_struct_d2()
519 // CHECK-LABEL: define swiftcc void @take_struct_d2(double, double)
520 typedef struct {
521   double d0;
522   double d1;
523   double d2;
524 } struct_d3;
525 TEST(struct_d3)
526 // CHECK-LABEL: define swiftcc { double, double, double } @return_struct_d3()
527 // CHECK-LABEL: define swiftcc void @take_struct_d3(double, double, double)
528 
529 typedef struct {
530   double d0;
531   double d1;
532   double d2;
533   double d3;
534 } struct_d4;
535 TEST(struct_d4)
536 // CHECK-LABEL: define swiftcc { double, double, double, double } @return_struct_d4()
537 // CHECK-LABEL: define swiftcc void @take_struct_d4(double, double, double, double)
538 
539 typedef struct {
540   double d0;
541   double d1;
542   double d2;
543   double d3;
544   double d4;
545 } struct_d5;
546 TEST(struct_d5)
547 // CHECK: define swiftcc void @return_struct_d5([[STRUCT5:%.*]]* noalias sret
548 // CHECK: define swiftcc void @take_struct_d5([[STRUCT5]]
549 
550 typedef struct {
551   char c0;
552 } struct_c1;
553 TEST(struct_c1)
554 // CHECK-LABEL: define swiftcc i8 @return_struct_c1()
555 // CHECK-LABEL: define swiftcc void @take_struct_c1(i8)
556 
557 typedef struct {
558   char c0;
559   char c1;
560 } struct_c2;
561 TEST(struct_c2)
562 // CHECK-LABEL: define swiftcc i16 @return_struct_c2()
563 // CHECK-LABEL: define swiftcc void @take_struct_c2(i16)
564 //
565 
566 typedef struct {
567   char c0;
568   char c1;
569   char c2;
570 } struct_c3;
571 TEST(struct_c3)
572 // CHECK-LABEL: define swiftcc i32 @return_struct_c3()
573 // CHECK-LABEL: define swiftcc void @take_struct_c3(i32)
574 
575 typedef struct {
576   char c0;
577   char c1;
578   char c2;
579   char c3;
580 } struct_c4;
581 TEST(struct_c4)
582 // CHECK-LABEL: define swiftcc i32 @return_struct_c4()
583 // CHECK-LABEL: define swiftcc void @take_struct_c4(i32)
584 
585 typedef struct {
586   char c0;
587   char c1;
588   char c2;
589   char c3;
590   char c4;
591 } struct_c5;
592 TEST(struct_c5)
593 // CHECK-LABEL: define swiftcc i64 @return_struct_c5()
594 // CHECK-LABEL: define swiftcc void @take_struct_c5(i64)
595 //
596 typedef struct {
597   char c0;
598   char c1;
599   char c2;
600   char c3;
601   char c4;
602   char c5;
603   char c6;
604   char c7;
605   char c8;
606 } struct_c9;
607 TEST(struct_c9)
608 // CHECK-LABEL: define swiftcc { i64, i8 } @return_struct_c9()
609 // CHECK-LABEL: define swiftcc void @take_struct_c9(i64, i8)
610 
611 typedef struct {
612   short s0;
613 } struct_s1;
614 TEST(struct_s1)
615 // CHECK-LABEL: define swiftcc i16 @return_struct_s1()
616 // CHECK-LABEL: define swiftcc void @take_struct_s1(i16)
617 
618 typedef struct {
619   short s0;
620   short s1;
621 } struct_s2;
622 TEST(struct_s2)
623 // CHECK-LABEL: define swiftcc i32 @return_struct_s2()
624 // CHECK-LABEL: define swiftcc void @take_struct_s2(i32)
625 //
626 
627 typedef struct {
628   short s0;
629   short s1;
630   short s2;
631 } struct_s3;
632 TEST(struct_s3)
633 // CHECK-LABEL: define swiftcc i64 @return_struct_s3()
634 // CHECK-LABEL: define swiftcc void @take_struct_s3(i64)
635 
636 typedef struct {
637   short s0;
638   short s1;
639   short s2;
640   short s3;
641 } struct_s4;
642 TEST(struct_s4)
643 // CHECK-LABEL: define swiftcc i64 @return_struct_s4()
644 // CHECK-LABEL: define swiftcc void @take_struct_s4(i64)
645 
646 typedef struct {
647   short s0;
648   short s1;
649   short s2;
650   short s3;
651   short s4;
652 } struct_s5;
653 TEST(struct_s5)
654 // CHECK-LABEL: define swiftcc { i64, i16 } @return_struct_s5()
655 // CHECK-LABEL: define swiftcc void @take_struct_s5(i64, i16)
656 
657 
658 typedef struct {
659   int i0;
660 } struct_i1;
661 TEST(struct_i1)
662 // CHECK-LABEL: define swiftcc i32 @return_struct_i1()
663 // CHECK-LABEL: define swiftcc void @take_struct_i1(i32)
664 
665 typedef struct {
666   int i0;
667   int i1;
668 } struct_i2;
669 TEST(struct_i2)
670 // CHECK-LABEL: define swiftcc i64 @return_struct_i2()
671 // CHECK-LABEL: define swiftcc void @take_struct_i2(i64)
672 
673 typedef struct {
674   int i0;
675   int i1;
676   int i2;
677 } struct_i3;
678 TEST(struct_i3)
679 // CHECK-LABEL: define swiftcc { i64, i32 } @return_struct_i3()
680 // CHECK-LABEL: define swiftcc void @take_struct_i3(i64, i32)
681 
682 typedef struct {
683   int i0;
684   int i1;
685   int i2;
686   int i3;
687 } struct_i4;
688 TEST(struct_i4)
689 // CHECK-LABEL: define swiftcc { i64, i64 } @return_struct_i4()
690 // CHECK-LABEL: define swiftcc void @take_struct_i4(i64, i64)
691 
692 typedef struct {
693   long long l0;
694 } struct_l1;
695 TEST(struct_l1)
696 // CHECK-LABEL: define swiftcc i64 @return_struct_l1()
697 // CHECK-LABEL: define swiftcc void @take_struct_l1(i64)
698 
699 typedef struct {
700   long long l0;
701   long long l1;
702 } struct_l2;
703 TEST(struct_l2)
704 // CHECK-LABEL: define swiftcc { i64, i64 } @return_struct_l2()
705 // CHECK-LABEL: define swiftcc void @take_struct_l2(i64, i64)
706 
707 typedef struct {
708   long long l0;
709   long long l1;
710   long long l2;
711 } struct_l3;
712 TEST(struct_l3)
713 // CHECK-LABEL: define swiftcc { i64, i64, i64 } @return_struct_l3()
714 // CHECK-LABEL: define swiftcc void @take_struct_l3(i64, i64, i64)
715 
716 typedef struct {
717   long long l0;
718   long long l1;
719   long long l2;
720   long long l3;
721 } struct_l4;
722 TEST(struct_l4)
723 // CHECK-LABEL: define swiftcc { i64, i64, i64, i64 } @return_struct_l4()
724 // CHECK-LABEL: define swiftcc void @take_struct_l4(i64, i64, i64, i64)
725 
726 typedef struct {
727   long long l0;
728   long long l1;
729   long long l2;
730   long long l3;
731   long long l4;
732 } struct_l5;
733 TEST(struct_l5)
734 // CHECK: define swiftcc void @return_struct_l5([[STRUCT5:%.*]]* noalias sret
735 // CHECK: define swiftcc void @take_struct_l5([[STRUCT5]]*
736 
737 typedef struct {
738   char16 c0;
739 } struct_vc1;
740 TEST(struct_vc1)
741 // CHECK-LABEL: define swiftcc <16 x i8> @return_struct_vc1()
742 // CHECK-LABEL: define swiftcc void @take_struct_vc1(<16 x i8>)
743 
744 typedef struct {
745   char16 c0;
746   char16 c1;
747 } struct_vc2;
748 TEST(struct_vc2)
749 // CHECK-LABEL: define swiftcc { <16 x i8>, <16 x i8> } @return_struct_vc2()
750 // CHECK-LABEL: define swiftcc void @take_struct_vc2(<16 x i8>, <16 x i8>)
751 
752 typedef struct {
753   char16 c0;
754   char16 c1;
755   char16 c2;
756 } struct_vc3;
757 TEST(struct_vc3)
758 // CHECK-LABEL: define swiftcc { <16 x i8>, <16 x i8>, <16 x i8> } @return_struct_vc3()
759 // CHECK-LABEL: define swiftcc void @take_struct_vc3(<16 x i8>, <16 x i8>, <16 x i8>)
760 
761 typedef struct {
762   char16 c0;
763   char16 c1;
764   char16 c2;
765   char16 c3;
766 } struct_vc4;
767 TEST(struct_vc4)
768 // CHECK-LABEL: define swiftcc { <16 x i8>, <16 x i8>, <16 x i8>, <16 x i8> } @return_struct_vc4()
769 // CHECK-LABEL: define swiftcc void @take_struct_vc4(<16 x i8>, <16 x i8>, <16 x i8>, <16 x i8>)
770 
771 typedef struct {
772   char16 c0;
773   char16 c1;
774   char16 c2;
775   char16 c3;
776   char16 c4;
777 } struct_vc5;
778 TEST(struct_vc5)
779 // CHECK: define swiftcc void @return_struct_vc5([[STRUCT:%.*]]* noalias sret
780 // CHECK: define swiftcc void @take_struct_vc5([[STRUCT]]
781 
782 typedef struct {
783   short8 c0;
784 } struct_vs1;
785 TEST(struct_vs1)
786 // CHECK-LABEL: define swiftcc <8 x i16> @return_struct_vs1()
787 // CHECK-LABEL: define swiftcc void @take_struct_vs1(<8 x i16>)
788 
789 typedef struct {
790   short8 c0;
791   short8 c1;
792 } struct_vs2;
793 TEST(struct_vs2)
794 // CHECK-LABEL: define swiftcc { <8 x i16>, <8 x i16> } @return_struct_vs2()
795 // CHECK-LABEL: define swiftcc void @take_struct_vs2(<8 x i16>, <8 x i16>)
796 
797 typedef struct {
798   short8 c0;
799   short8 c1;
800   short8 c2;
801 } struct_vs3;
802 TEST(struct_vs3)
803 // CHECK-LABEL: define swiftcc { <8 x i16>, <8 x i16>, <8 x i16> } @return_struct_vs3()
804 // CHECK-LABEL: define swiftcc void @take_struct_vs3(<8 x i16>, <8 x i16>, <8 x i16>)
805 
806 typedef struct {
807   short8 c0;
808   short8 c1;
809   short8 c2;
810   short8 c3;
811 } struct_vs4;
812 TEST(struct_vs4)
813 // CHECK-LABEL: define swiftcc { <8 x i16>, <8 x i16>, <8 x i16>, <8 x i16> } @return_struct_vs4()
814 // CHECK-LABEL: define swiftcc void @take_struct_vs4(<8 x i16>, <8 x i16>, <8 x i16>, <8 x i16>)
815 
816 typedef struct {
817   short8 c0;
818   short8 c1;
819   short8 c2;
820   short8 c3;
821   short8 c4;
822 } struct_vs5;
823 TEST(struct_vs5)
824 // CHECK: define swiftcc void @return_struct_vs5([[STRUCT:%.*]]* noalias sret
825 // CHECK: define swiftcc void @take_struct_vs5([[STRUCT]]
826 
827 typedef struct {
828   int4 c0;
829 } struct_vi1;
830 TEST(struct_vi1)
831 // CHECK-LABEL: define swiftcc <4 x i32> @return_struct_vi1()
832 // CHECK-LABEL: define swiftcc void @take_struct_vi1(<4 x i32>)
833 
834 typedef struct {
835   int4 c0;
836   int4 c1;
837 } struct_vi2;
838 TEST(struct_vi2)
839 // CHECK-LABEL: define swiftcc { <4 x i32>, <4 x i32> } @return_struct_vi2()
840 // CHECK-LABEL: define swiftcc void @take_struct_vi2(<4 x i32>, <4 x i32>)
841 
842 typedef struct {
843   int4 c0;
844   int4 c1;
845   int4 c2;
846 } struct_vi3;
847 TEST(struct_vi3)
848 // CHECK-LABEL: define swiftcc { <4 x i32>, <4 x i32>, <4 x i32> } @return_struct_vi3()
849 // CHECK-LABEL: define swiftcc void @take_struct_vi3(<4 x i32>, <4 x i32>, <4 x i32>)
850 
851 typedef struct {
852   int4 c0;
853   int4 c1;
854   int4 c2;
855   int4 c3;
856 } struct_vi4;
857 TEST(struct_vi4)
858 // CHECK-LABEL: define swiftcc { <4 x i32>, <4 x i32>, <4 x i32>, <4 x i32> } @return_struct_vi4()
859 // CHECK-LABEL: define swiftcc void @take_struct_vi4(<4 x i32>, <4 x i32>, <4 x i32>, <4 x i32>)
860 
861 typedef struct {
862   int4 c0;
863   int4 c1;
864   int4 c2;
865   int4 c3;
866   int4 c4;
867 } struct_vi5;
868 TEST(struct_vi5)
869 // CHECK: define swiftcc void @return_struct_vi5([[STRUCT:%.*]]* noalias sret
870 // CHECK: define swiftcc void @take_struct_vi5([[STRUCT]]
871 
872 typedef struct {
873   long2 c0;
874 } struct_vl1;
875 TEST(struct_vl1)
876 // CHECK-LABEL: define swiftcc <2 x i64> @return_struct_vl1()
877 // CHECK-LABEL: define swiftcc void @take_struct_vl1(<2 x i64>)
878 
879 typedef struct {
880   long2 c0;
881   long2 c1;
882   long2 c2;
883   long2 c3;
884 } struct_vl4;
885 TEST(struct_vl4)
886 // CHECK-LABEL: define swiftcc { <2 x i64>, <2 x i64>, <2 x i64>, <2 x i64> } @return_struct_vl4()
887 // CHECK-LABEL: define swiftcc void @take_struct_vl4(<2 x i64>, <2 x i64>, <2 x i64>, <2 x i64>)
888 
889 typedef struct {
890   long2 c0;
891   long2 c1;
892   long2 c2;
893   long2 c3;
894   long2 c4;
895 } struct_vl5;
896 TEST(struct_vl5)
897 // CHECK: define swiftcc void @return_struct_vl5([[STRUCT:%.*]]* noalias sret
898 // CHECK: define swiftcc void @take_struct_vl5([[STRUCT]]
899 
900 typedef struct {
901   double2 c0;
902 } struct_vd1;
903 TEST(struct_vd1)
904 // CHECK-LABEL: define swiftcc <2 x double> @return_struct_vd1()
905 // CHECK-LABEL: define swiftcc void @take_struct_vd1(<2 x double>)
906 
907 typedef struct {
908   double2 c0;
909   double2 c1;
910   double2 c2;
911   double2 c3;
912 } struct_vd4;
913 TEST(struct_vd4)
914 // CHECK-LABEL: define swiftcc { <2 x double>, <2 x double>, <2 x double>, <2 x double> } @return_struct_vd4()
915 // CHECK-LABEL: define swiftcc void @take_struct_vd4(<2 x double>, <2 x double>, <2 x double>, <2 x double>)
916 
917 typedef struct {
918   double2 c0;
919   double2 c1;
920   double2 c2;
921   double2 c3;
922   double2 c4;
923 } struct_vd5;
924 TEST(struct_vd5)
925 // CHECK: define swiftcc void @return_struct_vd5([[STRUCT:%.*]]* noalias sret
926 // CHECK: define swiftcc void @take_struct_vd5([[STRUCT]]
927 
928 typedef struct {
929   double4 c0;
930 } struct_vd41;
931 TEST(struct_vd41)
932 // CHECK-LABEL: define swiftcc { <2 x double>, <2 x double> } @return_struct_vd41()
933 // CHECK-LABEL: define swiftcc void @take_struct_vd41(<2 x double>, <2 x double>)
934 
935 typedef struct {
936   double4 c0;
937   double4 c1;
938 } struct_vd42;
939 TEST(struct_vd42)
940 // CHECK-LABEL: define swiftcc { <2 x double>, <2 x double>, <2 x double>, <2 x double> } @return_struct_vd42()
941 // CHECK-LABEL: define swiftcc void @take_struct_vd42(<2 x double>, <2 x double>, <2 x double>, <2 x double>)
942 
943 typedef struct {
944   double4 c0;
945   double4 c1;
946   double4 c2;
947 } struct_vd43;
948 TEST(struct_vd43)
949 // CHECK: define swiftcc void @return_struct_vd43([[STRUCT:%.*]]* noalias sret
950 // CHECK: define swiftcc void @take_struct_vd43([[STRUCT]]
951 
952 typedef struct {
953   float4 c0;
954 } struct_vf1;
955 TEST(struct_vf1)
956 // CHECK-LABEL: define swiftcc <4 x float> @return_struct_vf1()
957 // CHECK-LABEL: define swiftcc void @take_struct_vf1(<4 x float>)
958 
959 typedef struct {
960   float4 c0;
961   float4 c1;
962 } struct_vf2;
963 TEST(struct_vf2)
964 // CHECK-LABEL: define swiftcc { <4 x float>, <4 x float> } @return_struct_vf2()
965 // CHECK-LABEL: define swiftcc void @take_struct_vf2(<4 x float>, <4 x float>)
966 
967 typedef struct {
968   float4 c0;
969   float4 c1;
970   float4 c2;
971   float4 c3;
972 } struct_vf4;
973 TEST(struct_vf4)
974 // CHECK-LABEL: define swiftcc { <4 x float>, <4 x float>, <4 x float>, <4 x float> } @return_struct_vf4()
975 // CHECK-LABEL: define swiftcc void @take_struct_vf4(<4 x float>, <4 x float>, <4 x float>, <4 x float>)
976 
977 typedef struct {
978   float4 c0;
979   float4 c1;
980   float4 c2;
981   float4 c3;
982   float4 c4;
983 } struct_vf5;
984 TEST(struct_vf5)
985 // CHECK: define swiftcc void @return_struct_vf5([[STRUCT:%.*]]* noalias sret
986 // CHECK: define swiftcc void @take_struct_vf5([[STRUCT]]
987 
988 typedef struct {
989   float8 c0;
990 } struct_vf81;
991 TEST(struct_vf81)
992 // CHECK-LABEL: define swiftcc { <4 x float>, <4 x float> } @return_struct_vf81()
993 // CHECK-LABEL: define swiftcc void @take_struct_vf81(<4 x float>, <4 x float>)
994 
995 // Don't crash.
996 typedef union {
997 int4 v[2];
998 struct {
999   int LSW;
1000   int d7;
1001   int d6;
1002   int d5;
1003   int d4;
1004   int d3;
1005   int d2;
1006   int MSW;
1007 } s;
1008 } union_het_vecint;
1009 TEST(union_het_vecint)
1010 // CHECK: define swiftcc void @return_union_het_vecint([[UNION:%.*]]* noalias sret
1011 // CHECK: define swiftcc void @take_union_het_vecint([[UNION]]*
1012 
1013 typedef struct {
1014   float3 f3;
1015 } struct_v1f3;
1016 TEST(struct_v1f3)
1017 // ARM64-LABEL: define swiftcc { <2 x float>, float } @return_struct_v1f3()
1018 // ARM64-LABEL: define swiftcc void @take_struct_v1f3(<2 x float>, float)
1019 
1020 typedef struct {
1021   int3 vect;
1022   unsigned long long val;
1023 } __attribute__((packed)) padded_alloc_size_vector;
1024 TEST(padded_alloc_size_vector)
1025 // X86-64-LABEL: take_padded_alloc_size_vector(<3 x i32>, i64)
1026 // X86-64-NOT: [4 x i8]
1027 // x86-64: ret void
1028 
1029 typedef union {
1030   float f1;
1031   float3 fv2;
1032 } union_hom_fp_partial2;
1033 TEST(union_hom_fp_partial2)
1034 // X86-64-LABEL: take_union_hom_fp_partial2(float, float, float)
1035 // ARM64-LABEL: take_union_hom_fp_partial2(float, float, float)
1036 
1037 // At one point, we emitted lifetime.ends without a matching lifetime.start for
1038 // CoerceAndExpanded args. Since we're not performing optimizations, neither
1039 // intrinsic should be emitted.
1040 // CHECK-LABEL: define void @no_lifetime_markers
1041 void no_lifetime_markers() {
1042   // CHECK-NOT: call void @llvm.lifetime.
1043   take_int5(return_int5());
1044 }
1045