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150
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1 // REQUIRES: arm-registered-target
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2 // RUN: %clang_cc1 -triple aarch64-none-none-eabi \
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3 // RUN: -O2 \
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4 // RUN: -emit-llvm -o - %s | FileCheck %s
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5
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6 extern "C" {
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7
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8 // Base case, nothing interesting.
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9 struct S {
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10 long x, y;
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11 };
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12
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13 void f0(long, S);
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14 void f0m(long, long, long, long, long, S);
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15 void g0() {
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16 S s = {6, 7};
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17 f0(1, s);
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18 f0m(1, 2, 3, 4, 5, s);
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19 }
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207
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20 // CHECK: define{{.*}} void @g0
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150
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21 // CHECK: call void @f0(i64 1, [2 x i64] [i64 6, i64 7]
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22 // CHECK: call void @f0m{{.*}}[2 x i64] [i64 6, i64 7]
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23 // CHECK: declare void @f0(i64, [2 x i64])
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24 // CHECK: declare void @f0m(i64, i64, i64, i64, i64, [2 x i64])
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25
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26 // Aligned struct, passed according to its natural alignment.
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27 struct __attribute__((aligned(16))) S16 {
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28 long x, y;
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29 } s16;
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30
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31 void f1(long, S16);
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32 void f1m(long, long, long, long, long, S16);
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33 void g1() {
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34 S16 s = {6, 7};
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35 f1(1, s);
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36 f1m(1, 2, 3, 4, 5, s);
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37 }
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207
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38 // CHECK: define{{.*}} void @g1
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150
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39 // CHECK: call void @f1{{.*}}[2 x i64] [i64 6, i64 7]
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40 // CHECK: call void @f1m{{.*}}[2 x i64] [i64 6, i64 7]
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41 // CHECK: declare void @f1(i64, [2 x i64])
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42 // CHECK: declare void @f1m(i64, i64, i64, i64, i64, [2 x i64])
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43
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44 // Increased natural alignment.
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45 struct SF16 {
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46 long x __attribute__((aligned(16)));
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47 long y;
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48 };
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49
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50 void f3(long, SF16);
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51 void f3m(long, long, long, long, long, SF16);
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52 void g3() {
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53 SF16 s = {6, 7};
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54 f3(1, s);
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55 f3m(1, 2, 3, 4, 5, s);
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56 }
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207
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57 // CHECK: define{{.*}} void @g3
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150
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58 // CHECK: call void @f3(i64 1, i128 129127208515966861318)
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59 // CHECK: call void @f3m(i64 1, i64 2, i64 3, i64 4, i64 5, i128 129127208515966861318)
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60 // CHECK: declare void @f3(i64, i128)
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61 // CHECK: declare void @f3m(i64, i64, i64, i64, i64, i128)
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62
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63
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64 // Packed structure.
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65 struct __attribute__((packed)) P {
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66 int x;
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67 long u;
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68 };
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69
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70 void f4(int, P);
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71 void f4m(int, int, int, int, int, P);
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72 void g4() {
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73 P s = {6, 7};
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74 f4(1, s);
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75 f4m(1, 2, 3, 4, 5, s);
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76 }
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207
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77 // CHECK: define{{.*}} void @g4()
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150
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78 // CHECK: call void @f4(i32 1, [2 x i64] [i64 30064771078, i64 0])
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79 // CHECK: void @f4m(i32 1, i32 2, i32 3, i32 4, i32 5, [2 x i64] [i64 30064771078, i64 0])
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80 // CHECK: declare void @f4(i32, [2 x i64])
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81 // CHECK: declare void @f4m(i32, i32, i32, i32, i32, [2 x i64])
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82
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83
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84 // Packed structure, overaligned, same as above.
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85 struct __attribute__((packed, aligned(16))) P16 {
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86 int x;
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87 long y;
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88 };
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89
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90 void f5(int, P16);
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91 void f5m(int, int, int, int, int, P16);
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92 void g5() {
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93 P16 s = {6, 7};
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94 f5(1, s);
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95 f5m(1, 2, 3, 4, 5, s);
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96 }
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207
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97 // CHECK: define{{.*}} void @g5()
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150
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98 // CHECK: call void @f5(i32 1, [2 x i64] [i64 30064771078, i64 0])
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99 // CHECK: void @f5m(i32 1, i32 2, i32 3, i32 4, i32 5, [2 x i64] [i64 30064771078, i64 0])
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100 // CHECK: declare void @f5(i32, [2 x i64])
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101 // CHECK: declare void @f5m(i32, i32, i32, i32, i32, [2 x i64])
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102
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103 }
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