1// REQUIRES: arm-registered-target
2// RUN: %clang_cc1 -triple armv7-apple-darwin9 -target-feature +neon -target-abi apcs-gnu -emit-llvm -w -o - %s | FileCheck -check-prefix=APCS-GNU %s
3// RUN: %clang_cc1 -triple armv7-apple-darwin9 -target-feature +neon -target-abi aapcs -emit-llvm -w -o - %s | FileCheck -check-prefix=AAPCS %s
4
5// APCS-GNU-LABEL: define signext i8 @f0()
6// AAPCS-LABEL: define arm_aapcscc signext i8 @f0()
7char f0(void) {
8  return 0;
9}
10
11// APCS-GNU-LABEL: define i8 @f1()
12// AAPCS-LABEL: define arm_aapcscc i8 @f1()
13struct s1 { char f0; };
14struct s1 f1(void) {}
15
16// APCS-GNU-LABEL: define i16 @f2()
17// AAPCS-LABEL: define arm_aapcscc i16 @f2()
18struct s2 { short f0; };
19struct s2 f2(void) {}
20
21// APCS-GNU-LABEL: define i32 @f3()
22// AAPCS-LABEL: define arm_aapcscc i32 @f3()
23struct s3 { int f0; };
24struct s3 f3(void) {}
25
26// APCS-GNU-LABEL: define i32 @f4()
27// AAPCS-LABEL: define arm_aapcscc i32 @f4()
28struct s4 { struct s4_0 { int f0; } f0; };
29struct s4 f4(void) {}
30
31// APCS-GNU-LABEL: define void @f5(
32// APCS-GNU: struct.s5* noalias sret
33// AAPCS-LABEL: define arm_aapcscc i32 @f5()
34struct s5 { struct { } f0; int f1; };
35struct s5 f5(void) {}
36
37// APCS-GNU-LABEL: define void @f6(
38// APCS-GNU: struct.s6* noalias sret
39// AAPCS-LABEL: define arm_aapcscc i32 @f6()
40struct s6 { int f0[1]; };
41struct s6 f6(void) {}
42
43// APCS-GNU-LABEL: define void @f7()
44// AAPCS-LABEL: define arm_aapcscc void @f7()
45struct s7 { struct { int : 0; } f0; };
46struct s7 f7(void) {}
47
48// APCS-GNU-LABEL: define void @f8(
49// APCS-GNU: struct.s8* noalias sret
50// AAPCS-LABEL: define arm_aapcscc void @f8()
51struct s8 { struct { int : 0; } f0[1]; };
52struct s8 f8(void) {}
53
54// APCS-GNU-LABEL: define i32 @f9()
55// AAPCS-LABEL: define arm_aapcscc i32 @f9()
56struct s9 { int f0; int : 0; };
57struct s9 f9(void) {}
58
59// APCS-GNU-LABEL: define i32 @f10()
60// AAPCS-LABEL: define arm_aapcscc i32 @f10()
61struct s10 { int f0; int : 0; int : 0; };
62struct s10 f10(void) {}
63
64// APCS-GNU-LABEL: define void @f11(
65// APCS-GNU: struct.s11* noalias sret
66// AAPCS-LABEL: define arm_aapcscc i32 @f11()
67struct s11 { int : 0; int f0; };
68struct s11 f11(void) {}
69
70// APCS-GNU-LABEL: define i32 @f12()
71// AAPCS-LABEL: define arm_aapcscc i32 @f12()
72union u12 { char f0; short f1; int f2; };
73union u12 f12(void) {}
74
75// APCS-GNU-LABEL: define void @f13(
76// APCS-GNU: struct.s13* noalias sret
77
78// FIXME: This should return a float.
79// AAPCS-FIXME: darm_aapcscc efine float @f13()
80struct s13 { float f0; };
81struct s13 f13(void) {}
82
83// APCS-GNU-LABEL: define void @f14(
84// APCS-GNU: union.u14* noalias sret
85// AAPCS-LABEL: define arm_aapcscc i32 @f14()
86union u14 { float f0; };
87union u14 f14(void) {}
88
89// APCS-GNU-LABEL: define void @f15()
90// AAPCS-LABEL: define arm_aapcscc void @f15()
91void f15(struct s7 a0) {}
92
93// APCS-GNU-LABEL: define void @f16()
94// AAPCS-LABEL: define arm_aapcscc void @f16()
95void f16(struct s8 a0) {}
96
97// APCS-GNU-LABEL: define i32 @f17()
98// AAPCS-LABEL: define arm_aapcscc i32 @f17()
99struct s17 { short f0 : 13; char f1 : 4; };
100struct s17 f17(void) {}
101
102// APCS-GNU-LABEL: define i32 @f18()
103// AAPCS-LABEL: define arm_aapcscc i32 @f18()
104struct s18 { short f0; char f1 : 4; };
105struct s18 f18(void) {}
106
107// APCS-GNU-LABEL: define void @f19(
108// APCS-GNU: struct.s19* noalias sret
109// AAPCS-LABEL: define arm_aapcscc i32 @f19()
110struct s19 { int f0; struct s8 f1; };
111struct s19 f19(void) {}
112
113// APCS-GNU-LABEL: define void @f20(
114// APCS-GNU: struct.s20* noalias sret
115// AAPCS-LABEL: define arm_aapcscc i32 @f20()
116struct s20 { struct s8 f1; int f0; };
117struct s20 f20(void) {}
118
119// APCS-GNU-LABEL: define i8 @f21()
120// AAPCS-LABEL: define arm_aapcscc i32 @f21()
121struct s21 { struct {} f1; int f0 : 4; };
122struct s21 f21(void) {}
123
124// APCS-GNU-LABEL: define i16 @f22()
125// APCS-GNU-LABEL: define i32 @f23()
126// APCS-GNU-LABEL: define i64 @f24()
127// APCS-GNU-LABEL: define i128 @f25()
128// APCS-GNU-LABEL: define i64 @f26()
129// APCS-GNU-LABEL: define i128 @f27()
130// AAPCS-LABEL: define arm_aapcscc i16 @f22()
131// AAPCS-LABEL: define arm_aapcscc i32 @f23()
132// AAPCS: define arm_aapcscc void @f24({{.*}} noalias sret
133// AAPCS: define arm_aapcscc void @f25({{.*}} noalias sret
134// AAPCS: define arm_aapcscc void @f26({{.*}} noalias sret
135// AAPCS: define arm_aapcscc void @f27({{.*}} noalias sret
136_Complex char       f22(void) {}
137_Complex short      f23(void) {}
138_Complex int        f24(void) {}
139_Complex long long  f25(void) {}
140_Complex float      f26(void) {}
141_Complex double     f27(void) {}
142
143// APCS-GNU-LABEL: define i16 @f28()
144// AAPCS-LABEL: define arm_aapcscc i16 @f28()
145struct s28 { _Complex char f0; };
146struct s28 f28() {}
147
148// APCS-GNU-LABEL: define i32 @f29()
149// AAPCS-LABEL: define arm_aapcscc i32 @f29()
150struct s29 { _Complex short f0; };
151struct s29 f29() {}
152
153// APCS-GNU: define void @f30({{.*}} noalias sret
154// AAPCS: define arm_aapcscc void @f30({{.*}} noalias sret
155struct s30 { _Complex int f0; };
156struct s30 f30() {}
157
158// PR11905
159struct s31 { char x; };
160void f31(struct s31 s) { }
161// AAPCS: @f31([1 x i32] %s.coerce)
162// AAPCS: %s = alloca %struct.s31, align 1
163// AAPCS: [[TEMP:%.*]] = alloca [1 x i32], align 4
164// AAPCS: store [1 x i32] %s.coerce, [1 x i32]* [[TEMP]], align 4
165// APCS-GNU: @f31([1 x i32] %s.coerce)
166// APCS-GNU: %s = alloca %struct.s31, align 1
167// APCS-GNU: [[TEMP:%.*]] = alloca [1 x i32], align 4
168// APCS-GNU: store [1 x i32] %s.coerce, [1 x i32]* [[TEMP]], align 4
169
170// PR13562
171struct s32 { double x; };
172void f32(struct s32 s) { }
173// AAPCS: @f32([1 x i64] %s.coerce)
174// APCS-GNU: @f32([2 x i32] %s.coerce)
175
176// PR13350
177struct s33 { char buf[32*32]; };
178void f33(struct s33 s) { }
179// APCS-GNU-LABEL: define void @f33(%struct.s33* byval align 4 %s)
180// AAPCS-LABEL: define arm_aapcscc void @f33(%struct.s33* byval align 4 %s)
181
182// PR14048
183struct s34 { char c; };
184void f34(struct s34 s);
185void g34(struct s34 *s) { f34(*s); }
186// AAPCS: @g34(%struct.s34* %s)
187// AAPCS: %[[a:.*]] = alloca [1 x i32]
188// AAPCS: load [1 x i32], [1 x i32]* %[[a]]
189
190// rdar://12596507
191struct s35
192{
193   float v[18]; //make sure byval is on.
194} __attribute__((aligned(16)));
195typedef struct s35 s35_with_align;
196
197typedef __attribute__((neon_vector_type(4))) float float32x4_t;
198static __attribute__((__always_inline__, __nodebug__)) float32x4_t vaddq_f32(
199       float32x4_t __a, float32x4_t __b) {
200 return __a + __b;
201}
202float32x4_t f35(int i, s35_with_align s1, s35_with_align s2) {
203  float32x4_t v = vaddq_f32(*(float32x4_t *)&s1,
204                            *(float32x4_t *)&s2);
205  return v;
206}
207// APCS-GNU-LABEL: define <4 x float> @f35(i32 %i, %struct.s35* byval align 4, %struct.s35* byval align 4)
208// APCS-GNU: %[[a:.*]] = alloca %struct.s35, align 16
209// APCS-GNU: %[[b:.*]] = bitcast %struct.s35* %[[a]] to i8*
210// APCS-GNU: %[[c:.*]] = bitcast %struct.s35* %0 to i8*
211// APCS-GNU: call void @llvm.memcpy.p0i8.p0i8.i32(i8* %[[b]], i8* %[[c]]
212// APCS-GNU: %[[d:.*]] = bitcast %struct.s35* %[[a]] to <4 x float>*
213// APCS-GNU: load <4 x float>, <4 x float>* %[[d]], align 16
214// AAPCS-LABEL: define arm_aapcscc <4 x float> @f35(i32 %i, %struct.s35* byval align 8, %struct.s35* byval align 8)
215// AAPCS: %[[a:.*]] = alloca %struct.s35, align 16
216// AAPCS: %[[b:.*]] = bitcast %struct.s35* %[[a]] to i8*
217// AAPCS: %[[c:.*]] = bitcast %struct.s35* %0 to i8*
218// AAPCS: call void @llvm.memcpy.p0i8.p0i8.i32(i8* %[[b]], i8* %[[c]]
219// AAPCS: %[[d:.*]] = bitcast %struct.s35* %[[a]] to <4 x float>*
220// AAPCS: load <4 x float>, <4 x float>* %[[d]], align 16
221