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sub.carbon

sub.carbon 7.6 KB
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  1. // Part of the Carbon Language project, under the Apache License v2.0 with LLVM
    2. 

  2. // Exceptions. See /LICENSE for license information.
    3. 

  3. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
    4. 

  4. //
    5. 

  5. // AUTOUPDATE
    6. 

  6. 

  7. // --- int_sub.carbon
    8. 

  8. 

  9. fn Sub(a: i32, b: i32) -> i32 = "int.sub";
    10. 

  10. 

  11. var arr: [i32; Sub(3, 2)];
    12. 

  12. let arr_p: [i32; 1]* = &arr;
    13. 

  13. 

  14. fn RuntimeCall(a: i32, b: i32) -> i32 {
    15. 

  15.   return Sub(a, b);
    16. 

  16. }
    17. 

  17. 

  18. // --- fail_overflow.carbon
    19. 

  19. 

  20. package FailOverflow api;
    21. 

  21. 

  22. fn Sub(a: i32, b: i32) -> i32 = "int.sub";
    23. 

  23. 

  24. let a: i32 = Sub(0, 0x7FFFFFFF);
    25. 

  25. let b: i32 = Sub(Sub(0, 0x7FFFFFFF), 1);
    26. 

  26. // CHECK:STDERR: fail_overflow.carbon:[[@LINE+3]]:14: ERROR: Integer overflow in calculation -2147483647 - 2.
    27. 

  27. // CHECK:STDERR: let c: i32 = Sub(Sub(0, 0x7FFFFFFF), 2);
    28. 

  28. // CHECK:STDERR:              ^~~~
    29. 

  29. let c: i32 = Sub(Sub(0, 0x7FFFFFFF), 2);
    30. 

  30. 

  31. // CHECK:STDOUT: --- int_sub.carbon
    32. 

  32. // CHECK:STDOUT:
    33. 

  33. // CHECK:STDOUT: constants {
    34. 

  34. // CHECK:STDOUT:   %.1: i32 = int_literal 3 [template]
    35. 

  35. // CHECK:STDOUT:   %.2: i32 = int_literal 2 [template]
    36. 

  36. // CHECK:STDOUT:   %.3: i32 = int_literal 1 [template]
    37. 

  37. // CHECK:STDOUT:   %.4: type = array_type %.3, i32 [template]
    38. 

  38. // CHECK:STDOUT:   %.5: type = ptr_type [i32; 1] [template]
    39. 

  39. // CHECK:STDOUT: }
    40. 

  40. // CHECK:STDOUT:
    41. 

  41. // CHECK:STDOUT: file {
    42. 

  42. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    43. 

  43. // CHECK:STDOUT:     .Sub = %Sub
    44. 

  44. // CHECK:STDOUT:     .arr = %arr
    45. 

  45. // CHECK:STDOUT:     .RuntimeCall = %RuntimeCall
    46. 

  46. // CHECK:STDOUT:   }
    47. 

  47. // CHECK:STDOUT:   %Sub: <function> = fn_decl @Sub [template] {
    48. 

  48. // CHECK:STDOUT:     %a.loc2_8.1: i32 = param a
    49. 

  49. // CHECK:STDOUT:     @Sub.%a: i32 = bind_name a, %a.loc2_8.1
    50. 

  50. // CHECK:STDOUT:     %b.loc2_16.1: i32 = param b
    51. 

  51. // CHECK:STDOUT:     @Sub.%b: i32 = bind_name b, %b.loc2_16.1
    52. 

  52. // CHECK:STDOUT:     %return.var.loc2: ref i32 = var <return slot>
    53. 

  53. // CHECK:STDOUT:   }
    54. 

  54. // CHECK:STDOUT:   %Sub.ref: <function> = name_ref Sub, %Sub [template = %Sub]
    55. 

  55. // CHECK:STDOUT:   %.loc4_20: i32 = int_literal 3 [template = constants.%.1]
    56. 

  56. // CHECK:STDOUT:   %.loc4_23: i32 = int_literal 2 [template = constants.%.2]
    57. 

  57. // CHECK:STDOUT:   %.loc4_19: init i32 = call %Sub.ref(%.loc4_20, %.loc4_23) [template = constants.%.3]
    58. 

  58. // CHECK:STDOUT:   %.loc4_25: type = array_type %.loc4_19, i32 [template = constants.%.4]
    59. 

  59. // CHECK:STDOUT:   %arr.var: ref [i32; 1] = var arr
    60. 

  60. // CHECK:STDOUT:   %arr: ref [i32; 1] = bind_name arr, %arr.var
    61. 

  61. // CHECK:STDOUT:   %.loc5_18: i32 = int_literal 1 [template = constants.%.3]
    62. 

  62. // CHECK:STDOUT:   %.loc5_19: type = array_type %.loc5_18, i32 [template = constants.%.4]
    63. 

  63. // CHECK:STDOUT:   %.loc5_20: type = ptr_type [i32; 1] [template = constants.%.5]
    64. 

  64. // CHECK:STDOUT:   %arr.ref: ref [i32; 1] = name_ref arr, %arr
    65. 

  65. // CHECK:STDOUT:   %.loc5_24: [i32; 1]* = addr_of %arr.ref
    66. 

  66. // CHECK:STDOUT:   %arr_p: [i32; 1]* = bind_name arr_p, %.loc5_24
    67. 

  67. // CHECK:STDOUT:   %RuntimeCall: <function> = fn_decl @RuntimeCall [template] {
    68. 

  68. // CHECK:STDOUT:     %a.loc7_16.1: i32 = param a
    69. 

  69. // CHECK:STDOUT:     @RuntimeCall.%a: i32 = bind_name a, %a.loc7_16.1
    70. 

  70. // CHECK:STDOUT:     %b.loc7_24.1: i32 = param b
    71. 

  71. // CHECK:STDOUT:     @RuntimeCall.%b: i32 = bind_name b, %b.loc7_24.1
    72. 

  72. // CHECK:STDOUT:     %return.var.loc7: ref i32 = var <return slot>
    73. 

  73. // CHECK:STDOUT:   }
    74. 

  74. // CHECK:STDOUT: }
    75. 

  75. // CHECK:STDOUT:
    76. 

  76. // CHECK:STDOUT: fn @Sub(%a: i32, %b: i32) -> i32 = "int.sub";
    77. 

  77. // CHECK:STDOUT:
    78. 

  78. // CHECK:STDOUT: fn @RuntimeCall(%a: i32, %b: i32) -> i32 {
    79. 

  79. // CHECK:STDOUT: !entry:
    80. 

  80. // CHECK:STDOUT:   %Sub.ref: <function> = name_ref Sub, file.%Sub [template = file.%Sub]
    81. 

  81. // CHECK:STDOUT:   %a.ref: i32 = name_ref a, %a
    82. 

  82. // CHECK:STDOUT:   %b.ref: i32 = name_ref b, %b
    83. 

  83. // CHECK:STDOUT:   %.loc8_13.1: init i32 = call %Sub.ref(%a.ref, %b.ref)
    84. 

  84. // CHECK:STDOUT:   %.loc8_19: i32 = value_of_initializer %.loc8_13.1
    85. 

  85. // CHECK:STDOUT:   %.loc8_13.2: i32 = converted %.loc8_13.1, %.loc8_19
    86. 

  86. // CHECK:STDOUT:   return %.loc8_13.2
    87. 

  87. // CHECK:STDOUT: }
    88. 

  88. // CHECK:STDOUT:
    89. 

  89. // CHECK:STDOUT: --- fail_overflow.carbon
    90. 

  90. // CHECK:STDOUT:
    91. 

  91. // CHECK:STDOUT: constants {
    92. 

  92. // CHECK:STDOUT:   %.1: i32 = int_literal 0 [template]
    93. 

  93. // CHECK:STDOUT:   %.2: i32 = int_literal 2147483647 [template]
    94. 

  94. // CHECK:STDOUT:   %.3: i32 = int_literal -2147483647 [template]
    95. 

  95. // CHECK:STDOUT:   %.4: i32 = int_literal 1 [template]
    96. 

  96. // CHECK:STDOUT:   %.5: i32 = int_literal -2147483648 [template]
    97. 

  97. // CHECK:STDOUT:   %.6: i32 = int_literal 2 [template]
    98. 

  98. // CHECK:STDOUT: }
    99. 

  99. // CHECK:STDOUT:
    100. 

  100. // CHECK:STDOUT: file {
    101. 

  101. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    102. 

  102. // CHECK:STDOUT:     .Sub = %Sub
    103. 

  103. // CHECK:STDOUT:   }
    104. 

  104. // CHECK:STDOUT:   %Sub: <function> = fn_decl @Sub [template] {
    105. 

  105. // CHECK:STDOUT:     %a.loc4_8.1: i32 = param a
    106. 

  106. // CHECK:STDOUT:     @Sub.%a: i32 = bind_name a, %a.loc4_8.1
    107. 

  107. // CHECK:STDOUT:     %b.loc4_16.1: i32 = param b
    108. 

  108. // CHECK:STDOUT:     @Sub.%b: i32 = bind_name b, %b.loc4_16.1
    109. 

  109. // CHECK:STDOUT:     %return.var: ref i32 = var <return slot>
    110. 

  110. // CHECK:STDOUT:   }
    111. 

  111. // CHECK:STDOUT:   %Sub.ref.loc6: <function> = name_ref Sub, %Sub [template = %Sub]
    112. 

  112. // CHECK:STDOUT:   %.loc6_18: i32 = int_literal 0 [template = constants.%.1]
    113. 

  113. // CHECK:STDOUT:   %.loc6_21: i32 = int_literal 2147483647 [template = constants.%.2]
    114. 

  114. // CHECK:STDOUT:   %.loc6_17.1: init i32 = call %Sub.ref.loc6(%.loc6_18, %.loc6_21) [template = constants.%.3]
    115. 

  115. // CHECK:STDOUT:   %.loc6_32: i32 = value_of_initializer %.loc6_17.1 [template = constants.%.3]
    116. 

  116. // CHECK:STDOUT:   %.loc6_17.2: i32 = converted %.loc6_17.1, %.loc6_32 [template = constants.%.3]
    117. 

  117. // CHECK:STDOUT:   %a.loc6: i32 = bind_name a, %.loc6_17.2
    118. 

  118. // CHECK:STDOUT:   %Sub.ref.loc7_14: <function> = name_ref Sub, %Sub [template = %Sub]
    119. 

  119. // CHECK:STDOUT:   %Sub.ref.loc7_18: <function> = name_ref Sub, %Sub [template = %Sub]
    120. 

  120. // CHECK:STDOUT:   %.loc7_22: i32 = int_literal 0 [template = constants.%.1]
    121. 

  121. // CHECK:STDOUT:   %.loc7_25: i32 = int_literal 2147483647 [template = constants.%.2]
    122. 

  122. // CHECK:STDOUT:   %.loc7_21.1: init i32 = call %Sub.ref.loc7_18(%.loc7_22, %.loc7_25) [template = constants.%.3]
    123. 

  123. // CHECK:STDOUT:   %.loc7_38: i32 = int_literal 1 [template = constants.%.4]
    124. 

  124. // CHECK:STDOUT:   %.loc7_17.1: i32 = value_of_initializer %.loc7_21.1 [template = constants.%.3]
    125. 

  125. // CHECK:STDOUT:   %.loc7_21.2: i32 = converted %.loc7_21.1, %.loc7_17.1 [template = constants.%.3]
    126. 

  126. // CHECK:STDOUT:   %.loc7_17.2: init i32 = call %Sub.ref.loc7_14(%.loc7_21.2, %.loc7_38) [template = constants.%.5]
    127. 

  127. // CHECK:STDOUT:   %.loc7_40: i32 = value_of_initializer %.loc7_17.2 [template = constants.%.5]
    128. 

  128. // CHECK:STDOUT:   %.loc7_17.3: i32 = converted %.loc7_17.2, %.loc7_40 [template = constants.%.5]
    129. 

  129. // CHECK:STDOUT:   %b.loc7: i32 = bind_name b, %.loc7_17.3
    130. 

  130. // CHECK:STDOUT:   %Sub.ref.loc11_14: <function> = name_ref Sub, %Sub [template = %Sub]
    131. 

  131. // CHECK:STDOUT:   %Sub.ref.loc11_18: <function> = name_ref Sub, %Sub [template = %Sub]
    132. 

  132. // CHECK:STDOUT:   %.loc11_22: i32 = int_literal 0 [template = constants.%.1]
    133. 

  133. // CHECK:STDOUT:   %.loc11_25: i32 = int_literal 2147483647 [template = constants.%.2]
    134. 

  134. // CHECK:STDOUT:   %.loc11_21.1: init i32 = call %Sub.ref.loc11_18(%.loc11_22, %.loc11_25) [template = constants.%.3]
    135. 

  135. // CHECK:STDOUT:   %.loc11_38: i32 = int_literal 2 [template = constants.%.6]
    136. 

  136. // CHECK:STDOUT:   %.loc11_17.1: i32 = value_of_initializer %.loc11_21.1 [template = constants.%.3]
    137. 

  137. // CHECK:STDOUT:   %.loc11_21.2: i32 = converted %.loc11_21.1, %.loc11_17.1 [template = constants.%.3]
    138. 

  138. // CHECK:STDOUT:   %.loc11_17.2: init i32 = call %Sub.ref.loc11_14(%.loc11_21.2, %.loc11_38) [template = constants.%.2]
    139. 

  139. // CHECK:STDOUT:   %.loc11_40: i32 = value_of_initializer %.loc11_17.2 [template = constants.%.2]
    140. 

  140. // CHECK:STDOUT:   %.loc11_17.3: i32 = converted %.loc11_17.2, %.loc11_40 [template = constants.%.2]
    141. 

  141. // CHECK:STDOUT:   %c: i32 = bind_name c, %.loc11_17.3
    142. 

  142. // CHECK:STDOUT: }
    143. 

  143. // CHECK:STDOUT:
    144. 

  144. // CHECK:STDOUT: fn @Sub(%a: i32, %b: i32) -> i32 = "int.sub";
    145. 

  145. // CHECK:STDOUT:
    146.