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1 // RUN: %clang_cc1 -triple thumbv8m.main -O0 -mcmse -S -emit-llvm %s -o - | \
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2 // RUN: FileCheck %s --check-prefixes=CHECK,CHECK-LE,CHECK-SOFTFP
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3 // RUN: %clang_cc1 -triple thumbebv8m.main -O0 -mcmse -S -emit-llvm %s -o - | \
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4 // RUN: FileCheck %s --check-prefixes=CHECK,CHECK-BE,CHECK-SOFTFP
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5 // RUN: %clang_cc1 -triple thumbv8m.main -O2 -mcmse -S -emit-llvm %s -o - | \
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6 // RUN: FileCheck %s --check-prefixes=CHECK,CHECK-LE,CHECK-SOFTFP
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7 // RUN: %clang_cc1 -triple thumbebv8m.main -O2 -mcmse -S -emit-llvm %s -o - | \
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8 // RUN: FileCheck %s --check-prefixes=CHECK,CHECK-BE,CHECK-SOFTFP
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9 // RUN: %clang_cc1 -triple thumbv8m.main -O0 -mcmse -mfloat-abi hard \
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10 // RUN: -S -emit-llvm %s -o - | \
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11 // RUN: FileCheck %s --check-prefixes=CHECK,CHECK-LE,CHECK-HARDFP
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12
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13 // We don't really need to repeat *all* the test cases from cmse-clear-return.c
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14 // as it won't increase test coverage.
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15
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16 // : Memory layout | Mask
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17 // LE: .......1 ........ ........ ........ | 0x00000001/1
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18 // BE: 1....... ........ ........ ........ | 0x80000000/-2147483648
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19 typedef struct T0 {
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20 int a : 1, : 31;
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21 } T0;
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22
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23 void __attribute__((cmse_nonsecure_call)) (*g0)(T0);
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24
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25 T0 t0;
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26 void f0() { g0(t0); }
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27 // CHECK: define {{.*}} @f0()
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28 // CHECK-LE: %[[V0:.*]] = and i32 {{.*}}, 1
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29 // CHECK-BE: %[[V0:.*]] = and i32 {{.*}}, -2147483648
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30 // CHECK: %[[V1:.*]] = insertvalue [1 x i32] undef, i32 %[[V0]], 0
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31 // CHECK: call {{.*}} void %0([1 x i32] %[[V1]])
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32
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33 // LE: 11111111 111111.. 11111111 11111111 0xfffffcff/-769
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34 // BE: 11111111 ..111111 11111111 11111111 0xff3fffff/-12582913
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35 typedef struct T8 {
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36 struct T80 {
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37 char a;
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38 char : 2, b : 6;
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39 } a;
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40 short b;
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41 } T8;
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42
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43 T8 t8;
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44 void __attribute__((cmse_nonsecure_call)) (*g8)(T8);
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45 void f8() { g8(t8); }
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46 // CHECK: define {{.*}} @f8()
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47 // CHECK-LE: %[[V0:.*]] = and i32 {{.*}}, -769
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48 // CHECK-BE: %[[V0:.*]] = and i32 {{.*}}, -12582913
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49 // CHECK: %[[V1:.*]] = insertvalue [1 x i32] undef, i32 %[[V0]], 0
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50 // CHECK: call {{.*}} void %0([1 x i32] %[[V1]])
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51
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52 // LE(0): 11111111 ........ 11111111 11111111 0xffff00ff/-65281
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53 // LE(4): ...111.. 11111... 11111111 .....111 0x7fff81c/134215708
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54 // BE(0): 11111111 ........ 11111111 11111111 0xff00ffff/-16711681
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55 // BE(4): ..111... ...11111 11111111 111..... 0x381fffe0/941621216
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56 typedef struct T15 {
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57 char a;
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58 short b;
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59 int : 2, c : 3, : 6, d : 16;
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60 } T15;
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61
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62 T15 t15;
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63
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64 void __attribute__((cmse_nonsecure_call)) (*g15_0)(T15);
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65 void f15_0() {
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66 g15_0(t15);
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67 }
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68 // CHECK: define {{.*}}@f15_0()
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69 // CHECK: %[[FN:.*]] = load {{.*}} @g15_0
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70 // CHECK-LE: %cmse.clear = and i32 {{.*}}, -65281
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71 // CHECK-BE: %cmse.clear = and i32 {{.*}}, -16711681
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72 // CHECK: %[[R0:.*]] = insertvalue [2 x i32] undef, i32 %cmse.clear, 0
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73 // CHECK-LE: %cmse.clear1 = and i32 {{.*}}, 134215708
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74 // CHECK-BE: %cmse.clear1 = and i32 {{.*}}, 941621216
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75 // CHECK: %[[R1:.*]] = insertvalue [2 x i32] %[[R0]], i32 %cmse.clear1, 1
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76 // CHECK: call {{.*}} void %[[FN]]([2 x i32] %[[R1]])
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77
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78 void __attribute__((cmse_nonsecure_call)) (*g15_1)(int, int, int, T15);
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79 void f15_1() {
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80 g15_1(0, 1, 2, t15);
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81 }
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82 // CHECK: define {{.*}}@f15_1()
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83 // CHECK: %[[FN:.*]] = load {{.*}} @g15_1
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84 // CHECK-LE: %cmse.clear = and i32 {{.*}}, -65281
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85 // CHECK-BE: %cmse.clear = and i32 {{.*}}, -16711681
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86 // CHECK: %[[R0:.*]] = insertvalue [2 x i32] undef, i32 %cmse.clear, 0
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87 // CHECK-LE: %cmse.clear1 = and i32 {{.*}}, 134215708
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88 // CHECK-BE: %cmse.clear1 = and i32 {{.*}}, 941621216
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89 // CHECK: %[[R1:.*]] = insertvalue [2 x i32] %[[R0]], i32 %cmse.clear1, 1
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90 // CHECK: call {{.*}} void %[[FN]](i32 0, i32 1, i32 2, [2 x i32] %[[R1]])
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91
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92 // LE: 11111111 ........ 11111111 11111111 1111.... ...11111 ........ .111111.
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93 // LE: 0xff00fffff01f007e/9079291968726434047
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94 // BE: 11111111 ........ 11111111 11111111 ....1111 11111... ........ .111111.
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95 // BE: 0xff00ffff0ff8007e/-71776123088273282
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96
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97 typedef struct T16 {
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98 char a;
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99 short b;
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100 long long : 4, c : 9, : 12, d : 6;
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101 } T16;
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102
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103 T16 t16;
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104
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105 void __attribute__((cmse_nonsecure_call)) (*g16_0)(T16);
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106 void f16_0() {
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107 g16_0(t16);
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108 }
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109 // CHECK: define {{.*}} @f16_0()
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110 // CHECK: %[[FN:.*]] = load {{.*}} @g16_0
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111 // CHECK-LE: %cmse.clear = and i64 {{.*}}, 9079291968726434047
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112 // CHECK-BE: %cmse.clear = and i64 {{.*}}, -71776123088273282
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113 // CHECK: %[[R:.*]] = insertvalue [1 x i64] undef, i64 %cmse.clear, 0
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114 // CHECK: call {{.*}} void %0([1 x i64] %[[R]])
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115
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116
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117 // LE0: 1111..11 .......1 1111..11 .......1 1111..11 .......1 1111..11 .......1
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118 // LE4: 1111..11 .......1 1111..11 .......1 11111111 11111111 11111111 ........
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119 // LE : 0x01f301f3/32702963 * 3 + 0x00ffffff/16777215
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120 // BE0: 11..1111 1....... 11..1111 1....... 11..1111 1....... 11..1111 1.......
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121 // BE4: 11..1111 1....... 11..1111 1....... 11111111 11111111 11111111 ........
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122 // BE : 0xcf80cf80/-813641856 * 3 + 0xffffff00/-256
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123
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124 typedef struct T18 {
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125 struct T180 {
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126 short a : 2;
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127 short : 2, b : 5;
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128 } a[2][3];
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129 char b[3];
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130 char c[];
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131 } T18;
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132
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133 T18 t18;
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134
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135 void __attribute__((cmse_nonsecure_call)) (*g18)(T18);
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136 void f18() {
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137 g18(t18);
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138 }
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139 // CHECK: define {{.*}} @f18()
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140 // CHECK: %[[FN:.*]] = load {{.*}} @g18
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141 // CHECK-LE: %cmse.clear = and i32 {{.*}}, 32702963
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142 // CHECK-BE: %cmse.clear = and i32 {{.*}}, -813641856
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143 // CHECK: %[[R0:.*]] = insertvalue [4 x i32] undef, i32 %cmse.clear, 0
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144 // CHECK-LE: %cmse.clear1 = and i32 {{.*}}, 32702963
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145 // CHECK-BE: %cmse.clear1 = and i32 {{.*}}, -813641856
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146 // CHECK: %[[R1:.*]] = insertvalue [4 x i32] %[[R0]], i32 %cmse.clear1, 1
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147 // CHECK-LE: %cmse.clear2 = and i32 {{.*}}, 32702963
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148 // CHECK-BE: %cmse.clear2 = and i32 {{.*}}, -813641856
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149 // CHECK: %[[R2:.*]] = insertvalue [4 x i32] %[[R1]], i32 %cmse.clear2, 2
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150 // CHECK-LE: %cmse.clear3 = and i32 {{.*}}, 16777215
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151 // CHECK-BE: %cmse.clear3 = and i32 {{.*}}, -256
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152 // CHECK: %[[R3:.*]] = insertvalue [4 x i32] %[[R2]], i32 %cmse.clear3, 3
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153 // CHECK: call {{.*}} void %[[FN]]([4 x i32] %[[R3]])
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154
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155 // LE: 11111111 11111111 ..111... ..111... 0x3838ffff/943259647
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156 // BE: 11111111 11111111 ...111.. ...111.. 0xffff1c1c/-58340
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157 typedef union T19 {
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158 short a;
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159 struct T190 {
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160 char : 3, a : 3;
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161 } b[4];
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162 } T19;
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163
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164 T19 t19;
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165 void __attribute__((cmse_nonsecure_call)) (*g19)(T19);
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166 void f19() {
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167 g19(t19);
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168 }
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169 // CHECK: define {{.*}} @f19()
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170 // CHECK: %[[FN:.*]] = load {{.*}} @g19
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171 // CHECK-LE: %cmse.clear = and i32 {{.*}}, 943259647
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172 // CHECK-BE: %cmse.clear = and i32 {{.*}}, -58340
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173 // CHECK: %[[R:.*]] = insertvalue [1 x i32] undef, i32 %cmse.clear, 0
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174 // CHECK: call {{.*}} void %[[FN]]([1 x i32] %[[R]])
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175
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176
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177 typedef struct T20 {
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178 float a[2];
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179 } T20;
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180
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181 T20 t20;
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182 void __attribute__((cmse_nonsecure_call)) (*g20)(T20);
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183 void f20() {
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184 g20(t20);
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185 }
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186 // CHECK: define {{.*}} @f20()
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187 // CHECK: %[[FN:.*]] = load {{.*}} @g20
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188 // CHECK-SOFTFP: call arm_aapcscc void %[[FN]]([2 x i32]
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189 // CHECK-HARDFP: call arm_aapcs_vfpcc void %[[FN]](%struct.T20
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