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()
f0(void)7 char f0(void) {
8 return 0;
9 }
10
11 // APCS-GNU-LABEL: define i8 @f1()
12 // AAPCS-LABEL: define arm_aapcscc i8 @f1()
13 struct s1 { char f0; };
f1(void)14 struct s1 f1(void) {}
15
16 // APCS-GNU-LABEL: define i16 @f2()
17 // AAPCS-LABEL: define arm_aapcscc i16 @f2()
18 struct s2 { short f0; };
f2(void)19 struct s2 f2(void) {}
20
21 // APCS-GNU-LABEL: define i32 @f3()
22 // AAPCS-LABEL: define arm_aapcscc i32 @f3()
23 struct s3 { int f0; };
f3(void)24 struct s3 f3(void) {}
25
26 // APCS-GNU-LABEL: define i32 @f4()
27 // AAPCS-LABEL: define arm_aapcscc i32 @f4()
28 struct s4 { struct s4_0 { int f0; } f0; };
f4(void)29 struct 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()
34 struct s5 { struct { } f0; int f1; };
f5(void)35 struct 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()
40 struct s6 { int f0[1]; };
f6(void)41 struct s6 f6(void) {}
42
43 // APCS-GNU-LABEL: define void @f7()
44 // AAPCS-LABEL: define arm_aapcscc void @f7()
45 struct s7 { struct { int : 0; } f0; };
f7(void)46 struct 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()
51 struct s8 { struct { int : 0; } f0[1]; };
f8(void)52 struct s8 f8(void) {}
53
54 // APCS-GNU-LABEL: define i32 @f9()
55 // AAPCS-LABEL: define arm_aapcscc i32 @f9()
56 struct s9 { int f0; int : 0; };
f9(void)57 struct s9 f9(void) {}
58
59 // APCS-GNU-LABEL: define i32 @f10()
60 // AAPCS-LABEL: define arm_aapcscc i32 @f10()
61 struct s10 { int f0; int : 0; int : 0; };
f10(void)62 struct 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()
67 struct s11 { int : 0; int f0; };
f11(void)68 struct s11 f11(void) {}
69
70 // APCS-GNU-LABEL: define i32 @f12()
71 // AAPCS-LABEL: define arm_aapcscc i32 @f12()
72 union u12 { char f0; short f1; int f2; };
f12(void)73 union 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()
80 struct s13 { float f0; };
f13(void)81 struct 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()
86 union u14 { float f0; };
f14(void)87 union u14 f14(void) {}
88
89 // APCS-GNU-LABEL: define void @f15()
90 // AAPCS-LABEL: define arm_aapcscc void @f15()
f15(struct s7 a0)91 void f15(struct s7 a0) {}
92
93 // APCS-GNU-LABEL: define void @f16()
94 // AAPCS-LABEL: define arm_aapcscc void @f16()
f16(struct s8 a0)95 void f16(struct s8 a0) {}
96
97 // APCS-GNU-LABEL: define i32 @f17()
98 // AAPCS-LABEL: define arm_aapcscc i32 @f17()
99 struct s17 { short f0 : 13; char f1 : 4; };
f17(void)100 struct s17 f17(void) {}
101
102 // APCS-GNU-LABEL: define i32 @f18()
103 // AAPCS-LABEL: define arm_aapcscc i32 @f18()
104 struct s18 { short f0; char f1 : 4; };
f18(void)105 struct 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()
110 struct s19 { int f0; struct s8 f1; };
f19(void)111 struct 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()
116 struct s20 { struct s8 f1; int f0; };
f20(void)117 struct s20 f20(void) {}
118
119 // APCS-GNU-LABEL: define i8 @f21()
120 // AAPCS-LABEL: define arm_aapcscc i32 @f21()
121 struct s21 { struct {} f1; int f0 : 4; };
f21(void)122 struct 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
f22(void)136 _Complex char f22(void) {}
f23(void)137 _Complex short f23(void) {}
f24(void)138 _Complex int f24(void) {}
f25(void)139 _Complex long long f25(void) {}
f26(void)140 _Complex float f26(void) {}
f27(void)141 _Complex double f27(void) {}
142
143 // APCS-GNU-LABEL: define i16 @f28()
144 // AAPCS-LABEL: define arm_aapcscc i16 @f28()
145 struct s28 { _Complex char f0; };
f28()146 struct s28 f28() {}
147
148 // APCS-GNU-LABEL: define i32 @f29()
149 // AAPCS-LABEL: define arm_aapcscc i32 @f29()
150 struct s29 { _Complex short f0; };
f29()151 struct s29 f29() {}
152
153 // APCS-GNU: define void @f30({{.*}} noalias sret
154 // AAPCS: define arm_aapcscc void @f30({{.*}} noalias sret
155 struct s30 { _Complex int f0; };
f30()156 struct s30 f30() {}
157
158 // PR11905
159 struct s31 { char x; };
f31(struct s31 s)160 void f31(struct s31 s) { }
161 // AAPCS: @f31([1 x i32] %s.coerce)
162 // AAPCS: %s = alloca %struct.s31, align 4
163 // AAPCS: alloca [1 x i32]
164 // AAPCS: store [1 x i32] %s.coerce, [1 x i32]*
165 // APCS-GNU: @f31([1 x i32] %s.coerce)
166 // APCS-GNU: %s = alloca %struct.s31, align 4
167 // APCS-GNU: alloca [1 x i32]
168 // APCS-GNU: store [1 x i32] %s.coerce, [1 x i32]*
169
170 // PR13562
171 struct s32 { double x; };
f32(struct s32 s)172 void f32(struct s32 s) { }
173 // AAPCS: @f32([1 x i64] %s.coerce)
174 // APCS-GNU: @f32([2 x i32] %s.coerce)
175
176 // PR13350
177 struct s33 { char buf[32*32]; };
f33(struct s33 s)178 void f33(struct s33 s) { }
179 // APCS-GNU-LABEL: define void @f33(%struct.s33* byval align 1 %s)
180 // AAPCS-LABEL: define arm_aapcscc void @f33(%struct.s33* byval align 1 %s)
181
182 // PR14048
183 struct s34 { char c; };
184 void f34(struct s34 s);
g34(struct s34 * s)185 void g34(struct s34 *s) { f34(*s); }
186 // APCS-GNU: @g34(%struct.s34* %s)
187 // APCS-GNU: %[[a:.*]] = alloca { [1 x i32] }
188 // APCS-GNU: %[[gep:.*]] = getelementptr { [1 x i32] }* %[[a]], i32 0, i32 0
189 // APCS-GNU: load [1 x i32]* %[[gep]]
190 // AAPCS: @g34(%struct.s34* %s)
191 // AAPCS: %[[a:.*]] = alloca { [1 x i32] }
192 // AAPCS: %[[gep:.*]] = getelementptr { [1 x i32] }* %[[a]], i32 0, i32 0
193 // AAPCS: load [1 x i32]* %[[gep]]
194
195 // rdar://12596507
196 struct s35
197 {
198 float v[18]; //make sure byval is on.
199 } __attribute__((aligned(16)));
200 typedef struct s35 s35_with_align;
201
202 typedef __attribute__((neon_vector_type(4))) float float32x4_t;
vaddq_f32(float32x4_t __a,float32x4_t __b)203 static __attribute__((__always_inline__, __nodebug__)) float32x4_t vaddq_f32(
204 float32x4_t __a, float32x4_t __b) {
205 return __a + __b;
206 }
f35(int i,s35_with_align s1,s35_with_align s2)207 float32x4_t f35(int i, s35_with_align s1, s35_with_align s2) {
208 float32x4_t v = vaddq_f32(*(float32x4_t *)&s1,
209 *(float32x4_t *)&s2);
210 return v;
211 }
212 // APCS-GNU-LABEL: define <4 x float> @f35(i32 %i, %struct.s35* byval align 16, %struct.s35* byval align 16)
213 // APCS-GNU: %[[a:.*]] = alloca %struct.s35, align 16
214 // APCS-GNU: %[[b:.*]] = bitcast %struct.s35* %[[a]] to i8*
215 // APCS-GNU: %[[c:.*]] = bitcast %struct.s35* %0 to i8*
216 // APCS-GNU: call void @llvm.memcpy.p0i8.p0i8.i32(i8* %[[b]], i8* %[[c]]
217 // APCS-GNU: %[[d:.*]] = bitcast %struct.s35* %[[a]] to <4 x float>*
218 // APCS-GNU: load <4 x float>* %[[d]], align 16
219 // AAPCS-LABEL: define arm_aapcscc <4 x float> @f35(i32 %i, %struct.s35* byval align 16, %struct.s35* byval align 16)
220 // AAPCS: %[[a:.*]] = alloca %struct.s35, align 16
221 // AAPCS: %[[b:.*]] = bitcast %struct.s35* %[[a]] to i8*
222 // AAPCS: %[[c:.*]] = bitcast %struct.s35* %0 to i8*
223 // AAPCS: call void @llvm.memcpy.p0i8.p0i8.i32(i8* %[[b]], i8* %[[c]]
224 // AAPCS: %[[d:.*]] = bitcast %struct.s35* %[[a]] to <4 x float>*
225 // AAPCS: load <4 x float>* %[[d]], align 16
226