Douglas Gregor | 7c7a793 | 2010-07-15 18:58:16 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -emit-llvm -triple x86_64-apple-darwin10 -o - %s | FileCheck %s |
| 2 | |
| 3 | // PR6024 |
| 4 | extern int i; |
| 5 | |
| 6 | // CHECK: define i32* @_Z16lvalue_noop_castv() nounwind |
| 7 | const int &lvalue_noop_cast() { |
| 8 | if (i == 0) |
| 9 | // CHECK: store i32 17, i32* |
| 10 | return (const int&)17; |
| 11 | else if (i == 1) |
| 12 | // CHECK: store i32 17, i32* |
| 13 | return static_cast<const int&>(17); |
| 14 | // CHECK: store i32 17, i32* |
| 15 | return 17; |
| 16 | } |
| 17 | |
| 18 | // CHECK: define i16* @_Z20lvalue_integral_castv() |
| 19 | const short &lvalue_integral_cast() { |
| 20 | if (i == 0) |
| 21 | // CHECK: store i16 17, i16* |
| 22 | return (const short&)17; |
| 23 | else if (i == 1) |
| 24 | // CHECK: store i16 17, i16* |
| 25 | return static_cast<const short&>(17); |
| 26 | // CHECK: store i16 17, i16* |
| 27 | return 17; |
| 28 | } |
| 29 | |
| 30 | // CHECK: define i16* @_Z29lvalue_floating_integral_castv() |
| 31 | const short &lvalue_floating_integral_cast() { |
| 32 | if (i == 0) |
| 33 | // CHECK: store i16 17, i16* |
| 34 | return (const short&)17.5; |
| 35 | else if (i == 1) |
| 36 | // CHECK: store i16 17, i16* |
| 37 | return static_cast<const short&>(17.5); |
| 38 | // CHECK: store i16 17, i16* |
| 39 | return 17.5; |
| 40 | } |
| 41 | |
| 42 | // CHECK: define float* @_Z29lvalue_integral_floating_castv() |
| 43 | const float &lvalue_integral_floating_cast() { |
| 44 | if (i == 0) |
Benjamin Kramer | 2b02f7a | 2010-07-19 11:48:10 +0000 | [diff] [blame] | 45 | // CHECK: store float 1.700000e+{{0*}}1, float* |
Douglas Gregor | 7c7a793 | 2010-07-15 18:58:16 +0000 | [diff] [blame] | 46 | return (const float&)17; |
| 47 | else if (i == 1) |
Benjamin Kramer | 2b02f7a | 2010-07-19 11:48:10 +0000 | [diff] [blame] | 48 | // CHECK: store float 1.700000e+{{0*}}1, float* |
Douglas Gregor | 7c7a793 | 2010-07-15 18:58:16 +0000 | [diff] [blame] | 49 | return static_cast<const float&>(17); |
Benjamin Kramer | 2b02f7a | 2010-07-19 11:48:10 +0000 | [diff] [blame] | 50 | // CHECK: store float 1.700000e+{{0*}}1, float* |
Douglas Gregor | 7c7a793 | 2010-07-15 18:58:16 +0000 | [diff] [blame] | 51 | return 17; |
| 52 | } |
| 53 | |
| 54 | // CHECK: define float* @_Z20lvalue_floating_castv() |
| 55 | const float &lvalue_floating_cast() { |
| 56 | if (i == 0) |
Benjamin Kramer | 2b02f7a | 2010-07-19 11:48:10 +0000 | [diff] [blame] | 57 | // CHECK: store float 1.700000e+{{0*}}1, float* |
Douglas Gregor | 7c7a793 | 2010-07-15 18:58:16 +0000 | [diff] [blame] | 58 | return (const float&)17.0; |
| 59 | else if (i == 1) |
Benjamin Kramer | 2b02f7a | 2010-07-19 11:48:10 +0000 | [diff] [blame] | 60 | // CHECK: store float 1.700000e+{{0*}}1, float* |
Douglas Gregor | 7c7a793 | 2010-07-15 18:58:16 +0000 | [diff] [blame] | 61 | return static_cast<const float&>(17.0); |
Benjamin Kramer | 2b02f7a | 2010-07-19 11:48:10 +0000 | [diff] [blame] | 62 | // CHECK: store float 1.700000e+{{0*}}1, float* |
Douglas Gregor | 7c7a793 | 2010-07-15 18:58:16 +0000 | [diff] [blame] | 63 | return 17.0; |
| 64 | } |
| 65 | |
| 66 | int get_int(); |
| 67 | |
| 68 | // CHECK: define i8* @_Z24lvalue_integer_bool_castv() |
| 69 | const bool &lvalue_integer_bool_cast() { |
| 70 | if (i == 0) |
| 71 | // CHECK: call i32 @_Z7get_intv() |
| 72 | // CHECK: store i8 |
| 73 | return (const bool&)get_int(); |
| 74 | else if (i == 1) |
| 75 | // CHECK: call i32 @_Z7get_intv() |
| 76 | // CHECK: store i8 |
| 77 | return static_cast<const bool&>(get_int()); |
| 78 | // CHECK: call i32 @_Z7get_intv() |
| 79 | // CHECK: store i8 |
| 80 | return get_int(); |
| 81 | } |
| 82 | |
| 83 | float get_float(); |
| 84 | |
| 85 | // CHECK: define i8* @_Z25lvalue_floating_bool_castv() |
| 86 | const bool &lvalue_floating_bool_cast() { |
| 87 | if (i == 0) |
| 88 | // CHECK: call float @_Z9get_floatv() |
| 89 | // CHECK: fcmp une float |
| 90 | // CHECK: store i8 |
| 91 | return (const bool&)get_float(); |
| 92 | else if (i == 1) |
| 93 | // CHECK: call float @_Z9get_floatv() |
| 94 | // CHECK: fcmp une float |
| 95 | // CHECK: store i8 |
| 96 | return static_cast<const bool&>(get_float()); |
| 97 | // CHECK: call float @_Z9get_floatv() |
| 98 | // CHECK: fcmp une float |
| 99 | // CHECK: store i8 |
| 100 | return get_float(); |
| 101 | } |
| 102 | |
| 103 | struct X { }; |
| 104 | typedef int X::*pm; |
| 105 | typedef int (X::*pmf)(int); |
| 106 | |
| 107 | pm get_pointer_to_member_data(); |
| 108 | pmf get_pointer_to_member_function(); |
| 109 | |
| 110 | // CHECK: define i8* @_Z26lvalue_ptrmem_to_bool_castv() |
| 111 | const bool &lvalue_ptrmem_to_bool_cast() { |
| 112 | if (i == 0) |
| 113 | // CHECK: call i64 @_Z26get_pointer_to_member_datav() |
| 114 | // CHECK: store i8 |
| 115 | // CHECK: store i8* |
| 116 | return (const bool&)get_pointer_to_member_data(); |
| 117 | else if (i == 1) |
| 118 | // CHECK: call i64 @_Z26get_pointer_to_member_datav() |
| 119 | // CHECK: store i8 |
| 120 | // CHECK: store i8* |
| 121 | return static_cast<const bool&>(get_pointer_to_member_data()); |
| 122 | // CHECK: call i64 @_Z26get_pointer_to_member_datav() |
| 123 | // CHECK: store i8 |
| 124 | // CHECK: store i8* |
| 125 | return get_pointer_to_member_data(); |
| 126 | } |
| 127 | |
| 128 | // CHECK: define i8* @_Z27lvalue_ptrmem_to_bool_cast2v |
| 129 | const bool &lvalue_ptrmem_to_bool_cast2() { |
| 130 | if (i == 0) |
| 131 | // CHECK: {{call.*_Z30get_pointer_to_member_functionv}} |
| 132 | // CHECK: store i8 |
| 133 | // CHECK: store i8* |
| 134 | return (const bool&)get_pointer_to_member_function(); |
| 135 | else if (i == 1) |
| 136 | // CHECK: {{call.*_Z30get_pointer_to_member_functionv}} |
| 137 | // CHECK: store i8 |
| 138 | // CHECK: store i8* |
| 139 | return static_cast<const bool&>(get_pointer_to_member_function()); |
| 140 | // CHECK: {{call.*_Z30get_pointer_to_member_functionv}} |
| 141 | // CHECK: store i8 |
| 142 | // CHECK: store i8* |
| 143 | return get_pointer_to_member_function(); |
| 144 | } |
| 145 | |
| 146 | _Complex double get_complex_double(); |
| 147 | |
| 148 | // CHECK: {{define.*_Z2f1v}} |
| 149 | const _Complex float &f1() { |
| 150 | if (i == 0) |
| 151 | // CHECK: {{call.*_Z18get_complex_doublev}} |
| 152 | // CHECK: fptrunc |
| 153 | // CHECK: fptrunc |
| 154 | // CHECK: store float |
| 155 | // CHECK: store float |
| 156 | return (const _Complex float&)get_complex_double(); |
| 157 | else if (i == 1) |
| 158 | // CHECK: {{call.*_Z18get_complex_doublev}} |
| 159 | // CHECK: fptrunc |
| 160 | // CHECK: fptrunc |
| 161 | // CHECK: store float |
| 162 | // CHECK: store float |
| 163 | return static_cast<const _Complex float&>(get_complex_double()); |
| 164 | // CHECK: {{call.*_Z18get_complex_doublev}} |
| 165 | // CHECK: fptrunc |
| 166 | // CHECK: fptrunc |
| 167 | // CHECK: store float |
| 168 | // CHECK: store float |
| 169 | return get_complex_double(); |
| 170 | } |