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carbon-lang
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udiv.carbon

udiv.carbon 28 KB
文件歷史 原始文件

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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. // TIP: To test this file alone, run:
    7. 

  7. // TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/builtins/int/udiv.carbon
    8. 

  8. // TIP: To dump output, run:
    9. 

  9. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/builtins/int/udiv.carbon
    10. 

  10. 

  11. // --- int_div.carbon
    12. 

  12. 

  13. fn Div(a: i32, b: i32) -> i32 = "int.udiv";
    14. 

  14. 

  15. var arr: [i32; Div(3, 2)];
    16. 

  16. let arr_p: [i32; 1]* = &arr;
    17. 

  17. 

  18. fn RuntimeCall(a: i32, b: i32) -> i32 {
    19. 

  19.   return Div(a, b);
    20. 

  20. }
    21. 

  21. 

  22. // --- overflow.carbon
    23. 

  23. 

  24. package Overflow;
    25. 

  25. 

  26. fn Div(a: i32, b: i32) -> i32 = "int.udiv";
    27. 

  27. fn Sub(a: i32, b: i32) -> i32 = "int.usub";
    28. 

  28. fn Negate(a: i32) -> i32 = "int.unegate";
    29. 

  29. 

  30. // -0x7FFF_FFFF / -1 is OK.
    31. 

  31. let a: i32 = Div(Negate(0x7FFF_FFFF), Negate(1));
    32. 

  32. 

  33. // -0x8000_0000 / 1 is OK.
    34. 

  34. let b: i32 = Div(Sub(Negate(0x7FFF_FFFF), 1), 1);
    35. 

  35. 

  36. // -0x8000_0000 / -1 is OK.
    37. 

  37. let c: i32 = Div(Sub(Negate(0x7FFF_FFFF), 1), Negate(1));
    38. 

  38. 

  39. // --- fail_div_by_zero.carbon
    40. 

  40. 

  41. package FailDivByZero;
    42. 

  42. 

  43. fn Div(a: i32, b: i32) -> i32 = "int.udiv";
    44. 

  44. 

  45. // CHECK:STDERR: fail_div_by_zero.carbon:[[@LINE+4]]:14: error: division by zero [CompileTimeDivisionByZero]
    46. 

  46. // CHECK:STDERR: let a: i32 = Div(1, 0);
    47. 

  47. // CHECK:STDERR:              ^~~~
    48. 

  48. // CHECK:STDERR:
    49. 

  49. let a: i32 = Div(1, 0);
    50. 

  50. 

  51. // CHECK:STDERR: fail_div_by_zero.carbon:[[@LINE+3]]:14: error: division by zero [CompileTimeDivisionByZero]
    52. 

  52. // CHECK:STDERR: let b: i32 = Div(0, 0);
    53. 

  53. // CHECK:STDERR:              ^~~~
    54. 

  54. let b: i32 = Div(0, 0);
    55. 

  55. 

  56. // CHECK:STDOUT: --- int_div.carbon
    57. 

  57. // CHECK:STDOUT:
    58. 

  58. // CHECK:STDOUT: constants {
    59. 

  59. // CHECK:STDOUT:   %Int32.type: type = fn_type @Int32 [template]
    60. 

  60. // CHECK:STDOUT:   %.1: type = tuple_type () [template]
    61. 

  61. // CHECK:STDOUT:   %Int32: %Int32.type = struct_value () [template]
    62. 

  62. // CHECK:STDOUT:   %Div.type: type = fn_type @Div [template]
    63. 

  63. // CHECK:STDOUT:   %Div: %Div.type = struct_value () [template]
    64. 

  64. // CHECK:STDOUT:   %.2: i32 = int_literal 3 [template]
    65. 

  65. // CHECK:STDOUT:   %.3: i32 = int_literal 2 [template]
    66. 

  66. // CHECK:STDOUT:   %.4: i32 = int_literal 1 [template]
    67. 

  67. // CHECK:STDOUT:   %.5: type = array_type %.4, i32 [template]
    68. 

  68. // CHECK:STDOUT:   %.6: type = ptr_type %.5 [template]
    69. 

  69. // CHECK:STDOUT:   %RuntimeCall.type: type = fn_type @RuntimeCall [template]
    70. 

  70. // CHECK:STDOUT:   %RuntimeCall: %RuntimeCall.type = struct_value () [template]
    71. 

  71. // CHECK:STDOUT: }
    72. 

  72. // CHECK:STDOUT:
    73. 

  73. // CHECK:STDOUT: imports {
    74. 

  74. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
    75. 

  75. // CHECK:STDOUT:     .Int32 = %import_ref
    76. 

  76. // CHECK:STDOUT:     import Core//prelude
    77. 

  77. // CHECK:STDOUT:     import Core//prelude/...
    78. 

  78. // CHECK:STDOUT:   }
    79. 

  79. // CHECK:STDOUT:   %import_ref: %Int32.type = import_ref Core//prelude/types, inst+15, loaded [template = constants.%Int32]
    80. 

  80. // CHECK:STDOUT: }
    81. 

  81. // CHECK:STDOUT:
    82. 

  82. // CHECK:STDOUT: file {
    83. 

  83. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    84. 

  84. // CHECK:STDOUT:     .Core = imports.%Core
    85. 

  85. // CHECK:STDOUT:     .Div = %Div.decl
    86. 

  86. // CHECK:STDOUT:     .arr = %arr
    87. 

  87. // CHECK:STDOUT:     .arr_p = @__global_init.%arr_p
    88. 

  88. // CHECK:STDOUT:     .RuntimeCall = %RuntimeCall.decl
    89. 

  89. // CHECK:STDOUT:   }
    90. 

  90. // CHECK:STDOUT:   %Core.import = import Core
    91. 

  91. // CHECK:STDOUT:   %Div.decl: %Div.type = fn_decl @Div [template = constants.%Div] {
    92. 

  92. // CHECK:STDOUT:     %a.patt: i32 = binding_pattern a
    93. 

  93. // CHECK:STDOUT:     %a.param_patt: i32 = value_param_pattern %a.patt, runtime_param0
    94. 

  94. // CHECK:STDOUT:     %b.patt: i32 = binding_pattern b
    95. 

  95. // CHECK:STDOUT:     %b.param_patt: i32 = value_param_pattern %b.patt, runtime_param1
    96. 

  96. // CHECK:STDOUT:     %return.patt: i32 = return_slot_pattern
    97. 

  97. // CHECK:STDOUT:     %return.param_patt: i32 = out_param_pattern %return.patt, runtime_param2
    98. 

  98. // CHECK:STDOUT:   } {
    99. 

  99. // CHECK:STDOUT:     %int.make_type_32.loc2_11: init type = call constants.%Int32() [template = i32]
    100. 

  100. // CHECK:STDOUT:     %.loc2_11.1: type = value_of_initializer %int.make_type_32.loc2_11 [template = i32]
    101. 

  101. // CHECK:STDOUT:     %.loc2_11.2: type = converted %int.make_type_32.loc2_11, %.loc2_11.1 [template = i32]
    102. 

  102. // CHECK:STDOUT:     %int.make_type_32.loc2_19: init type = call constants.%Int32() [template = i32]
    103. 

  103. // CHECK:STDOUT:     %.loc2_19.1: type = value_of_initializer %int.make_type_32.loc2_19 [template = i32]
    104. 

  104. // CHECK:STDOUT:     %.loc2_19.2: type = converted %int.make_type_32.loc2_19, %.loc2_19.1 [template = i32]
    105. 

  105. // CHECK:STDOUT:     %int.make_type_32.loc2_27: init type = call constants.%Int32() [template = i32]
    106. 

  106. // CHECK:STDOUT:     %.loc2_27.1: type = value_of_initializer %int.make_type_32.loc2_27 [template = i32]
    107. 

  107. // CHECK:STDOUT:     %.loc2_27.2: type = converted %int.make_type_32.loc2_27, %.loc2_27.1 [template = i32]
    108. 

  108. // CHECK:STDOUT:     %a.param: i32 = value_param runtime_param0
    109. 

  109. // CHECK:STDOUT:     %a: i32 = bind_name a, %a.param
    110. 

  110. // CHECK:STDOUT:     %b.param: i32 = value_param runtime_param1
    111. 

  111. // CHECK:STDOUT:     %b: i32 = bind_name b, %b.param
    112. 

  112. // CHECK:STDOUT:     %return.param: ref i32 = out_param runtime_param2
    113. 

  113. // CHECK:STDOUT:     %return: ref i32 = return_slot %return.param
    114. 

  114. // CHECK:STDOUT:   }
    115. 

  115. // CHECK:STDOUT:   %int.make_type_32.loc4: init type = call constants.%Int32() [template = i32]
    116. 

  116. // CHECK:STDOUT:   %Div.ref: %Div.type = name_ref Div, %Div.decl [template = constants.%Div]
    117. 

  117. // CHECK:STDOUT:   %.loc4_20: i32 = int_literal 3 [template = constants.%.2]
    118. 

  118. // CHECK:STDOUT:   %.loc4_23: i32 = int_literal 2 [template = constants.%.3]
    119. 

  119. // CHECK:STDOUT:   %int.udiv: init i32 = call %Div.ref(%.loc4_20, %.loc4_23) [template = constants.%.4]
    120. 

  120. // CHECK:STDOUT:   %.loc4_11.1: type = value_of_initializer %int.make_type_32.loc4 [template = i32]
    121. 

  121. // CHECK:STDOUT:   %.loc4_11.2: type = converted %int.make_type_32.loc4, %.loc4_11.1 [template = i32]
    122. 

  122. // CHECK:STDOUT:   %.loc4_25: type = array_type %int.udiv, i32 [template = constants.%.5]
    123. 

  123. // CHECK:STDOUT:   %arr.var: ref %.5 = var arr
    124. 

  124. // CHECK:STDOUT:   %arr: ref %.5 = bind_name arr, %arr.var
    125. 

  125. // CHECK:STDOUT:   %int.make_type_32.loc5: init type = call constants.%Int32() [template = i32]
    126. 

  126. // CHECK:STDOUT:   %.loc5_18: i32 = int_literal 1 [template = constants.%.4]
    127. 

  127. // CHECK:STDOUT:   %.loc5_13.1: type = value_of_initializer %int.make_type_32.loc5 [template = i32]
    128. 

  128. // CHECK:STDOUT:   %.loc5_13.2: type = converted %int.make_type_32.loc5, %.loc5_13.1 [template = i32]
    129. 

  129. // CHECK:STDOUT:   %.loc5_19: type = array_type %.loc5_18, i32 [template = constants.%.5]
    130. 

  130. // CHECK:STDOUT:   %.loc5_20: type = ptr_type %.5 [template = constants.%.6]
    131. 

  131. // CHECK:STDOUT:   %RuntimeCall.decl: %RuntimeCall.type = fn_decl @RuntimeCall [template = constants.%RuntimeCall] {
    132. 

  132. // CHECK:STDOUT:     %a.patt: i32 = binding_pattern a
    133. 

  133. // CHECK:STDOUT:     %a.param_patt: i32 = value_param_pattern %a.patt, runtime_param0
    134. 

  134. // CHECK:STDOUT:     %b.patt: i32 = binding_pattern b
    135. 

  135. // CHECK:STDOUT:     %b.param_patt: i32 = value_param_pattern %b.patt, runtime_param1
    136. 

  136. // CHECK:STDOUT:     %return.patt: i32 = return_slot_pattern
    137. 

  137. // CHECK:STDOUT:     %return.param_patt: i32 = out_param_pattern %return.patt, runtime_param2
    138. 

  138. // CHECK:STDOUT:   } {
    139. 

  139. // CHECK:STDOUT:     %int.make_type_32.loc7_19: init type = call constants.%Int32() [template = i32]
    140. 

  140. // CHECK:STDOUT:     %.loc7_19.1: type = value_of_initializer %int.make_type_32.loc7_19 [template = i32]
    141. 

  141. // CHECK:STDOUT:     %.loc7_19.2: type = converted %int.make_type_32.loc7_19, %.loc7_19.1 [template = i32]
    142. 

  142. // CHECK:STDOUT:     %int.make_type_32.loc7_27: init type = call constants.%Int32() [template = i32]
    143. 

  143. // CHECK:STDOUT:     %.loc7_27.1: type = value_of_initializer %int.make_type_32.loc7_27 [template = i32]
    144. 

  144. // CHECK:STDOUT:     %.loc7_27.2: type = converted %int.make_type_32.loc7_27, %.loc7_27.1 [template = i32]
    145. 

  145. // CHECK:STDOUT:     %int.make_type_32.loc7_35: init type = call constants.%Int32() [template = i32]
    146. 

  146. // CHECK:STDOUT:     %.loc7_35.1: type = value_of_initializer %int.make_type_32.loc7_35 [template = i32]
    147. 

  147. // CHECK:STDOUT:     %.loc7_35.2: type = converted %int.make_type_32.loc7_35, %.loc7_35.1 [template = i32]
    148. 

  148. // CHECK:STDOUT:     %a.param: i32 = value_param runtime_param0
    149. 

  149. // CHECK:STDOUT:     %a: i32 = bind_name a, %a.param
    150. 

  150. // CHECK:STDOUT:     %b.param: i32 = value_param runtime_param1
    151. 

  151. // CHECK:STDOUT:     %b: i32 = bind_name b, %b.param
    152. 

  152. // CHECK:STDOUT:     %return.param: ref i32 = out_param runtime_param2
    153. 

  153. // CHECK:STDOUT:     %return: ref i32 = return_slot %return.param
    154. 

  154. // CHECK:STDOUT:   }
    155. 

  155. // CHECK:STDOUT: }
    156. 

  156. // CHECK:STDOUT:
    157. 

  157. // CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
    158. 

  158. // CHECK:STDOUT:
    159. 

  159. // CHECK:STDOUT: fn @Div(%a.param_patt: i32, %b.param_patt: i32) -> i32 = "int.udiv";
    160. 

  160. // CHECK:STDOUT:
    161. 

  161. // CHECK:STDOUT: fn @RuntimeCall(%a.param_patt: i32, %b.param_patt: i32) -> i32 {
    162. 

  162. // CHECK:STDOUT: !entry:
    163. 

  163. // CHECK:STDOUT:   %Div.ref: %Div.type = name_ref Div, file.%Div.decl [template = constants.%Div]
    164. 

  164. // CHECK:STDOUT:   %a.ref: i32 = name_ref a, %a
    165. 

  165. // CHECK:STDOUT:   %b.ref: i32 = name_ref b, %b
    166. 

  166. // CHECK:STDOUT:   %int.udiv: init i32 = call %Div.ref(%a.ref, %b.ref)
    167. 

  167. // CHECK:STDOUT:   %.loc8_19.1: i32 = value_of_initializer %int.udiv
    168. 

  168. // CHECK:STDOUT:   %.loc8_19.2: i32 = converted %int.udiv, %.loc8_19.1
    169. 

  169. // CHECK:STDOUT:   return %.loc8_19.2
    170. 

  170. // CHECK:STDOUT: }
    171. 

  171. // CHECK:STDOUT:
    172. 

  172. // CHECK:STDOUT: fn @__global_init() {
    173. 

  173. // CHECK:STDOUT: !entry:
    174. 

  174. // CHECK:STDOUT:   %arr.ref: ref %.5 = name_ref arr, file.%arr
    175. 

  175. // CHECK:STDOUT:   %.loc5: %.6 = addr_of %arr.ref
    176. 

  176. // CHECK:STDOUT:   %arr_p: %.6 = bind_name arr_p, %.loc5
    177. 

  177. // CHECK:STDOUT:   return
    178. 

  178. // CHECK:STDOUT: }
    179. 

  179. // CHECK:STDOUT:
    180. 

  180. // CHECK:STDOUT: --- overflow.carbon
    181. 

  181. // CHECK:STDOUT:
    182. 

  182. // CHECK:STDOUT: constants {
    183. 

  183. // CHECK:STDOUT:   %Int32.type: type = fn_type @Int32 [template]
    184. 

  184. // CHECK:STDOUT:   %.1: type = tuple_type () [template]
    185. 

  185. // CHECK:STDOUT:   %Int32: %Int32.type = struct_value () [template]
    186. 

  186. // CHECK:STDOUT:   %Div.type: type = fn_type @Div [template]
    187. 

  187. // CHECK:STDOUT:   %Div: %Div.type = struct_value () [template]
    188. 

  188. // CHECK:STDOUT:   %Sub.type: type = fn_type @Sub [template]
    189. 

  189. // CHECK:STDOUT:   %Sub: %Sub.type = struct_value () [template]
    190. 

  190. // CHECK:STDOUT:   %Negate.type: type = fn_type @Negate [template]
    191. 

  191. // CHECK:STDOUT:   %Negate: %Negate.type = struct_value () [template]
    192. 

  192. // CHECK:STDOUT:   %.2: i32 = int_literal 2147483647 [template]
    193. 

  193. // CHECK:STDOUT:   %.3: i32 = int_literal -2147483647 [template]
    194. 

  194. // CHECK:STDOUT:   %.4: i32 = int_literal 1 [template]
    195. 

  195. // CHECK:STDOUT:   %.5: i32 = int_literal -1 [template]
    196. 

  196. // CHECK:STDOUT:   %.6: i32 = int_literal 0 [template]
    197. 

  197. // CHECK:STDOUT:   %.7: i32 = int_literal -2147483648 [template]
    198. 

  198. // CHECK:STDOUT: }
    199. 

  199. // CHECK:STDOUT:
    200. 

  200. // CHECK:STDOUT: imports {
    201. 

  201. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
    202. 

  202. // CHECK:STDOUT:     .Int32 = %import_ref
    203. 

  203. // CHECK:STDOUT:     import Core//prelude
    204. 

  204. // CHECK:STDOUT:     import Core//prelude/...
    205. 

  205. // CHECK:STDOUT:   }
    206. 

  206. // CHECK:STDOUT:   %import_ref: %Int32.type = import_ref Core//prelude/types, inst+15, loaded [template = constants.%Int32]
    207. 

  207. // CHECK:STDOUT: }
    208. 

  208. // CHECK:STDOUT:
    209. 

  209. // CHECK:STDOUT: file {
    210. 

  210. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    211. 

  211. // CHECK:STDOUT:     .Core = imports.%Core
    212. 

  212. // CHECK:STDOUT:     .Div = %Div.decl
    213. 

  213. // CHECK:STDOUT:     .Sub = %Sub.decl
    214. 

  214. // CHECK:STDOUT:     .Negate = %Negate.decl
    215. 

  215. // CHECK:STDOUT:     .a = @__global_init.%a
    216. 

  216. // CHECK:STDOUT:     .b = @__global_init.%b
    217. 

  217. // CHECK:STDOUT:     .c = @__global_init.%c
    218. 

  218. // CHECK:STDOUT:   }
    219. 

  219. // CHECK:STDOUT:   %Core.import = import Core
    220. 

  220. // CHECK:STDOUT:   %Div.decl: %Div.type = fn_decl @Div [template = constants.%Div] {
    221. 

  221. // CHECK:STDOUT:     %a.patt: i32 = binding_pattern a
    222. 

  222. // CHECK:STDOUT:     %a.param_patt: i32 = value_param_pattern %a.patt, runtime_param0
    223. 

  223. // CHECK:STDOUT:     %b.patt: i32 = binding_pattern b
    224. 

  224. // CHECK:STDOUT:     %b.param_patt: i32 = value_param_pattern %b.patt, runtime_param1
    225. 

  225. // CHECK:STDOUT:     %return.patt: i32 = return_slot_pattern
    226. 

  226. // CHECK:STDOUT:     %return.param_patt: i32 = out_param_pattern %return.patt, runtime_param2
    227. 

  227. // CHECK:STDOUT:   } {
    228. 

  228. // CHECK:STDOUT:     %int.make_type_32.loc4_11: init type = call constants.%Int32() [template = i32]
    229. 

  229. // CHECK:STDOUT:     %.loc4_11.1: type = value_of_initializer %int.make_type_32.loc4_11 [template = i32]
    230. 

  230. // CHECK:STDOUT:     %.loc4_11.2: type = converted %int.make_type_32.loc4_11, %.loc4_11.1 [template = i32]
    231. 

  231. // CHECK:STDOUT:     %int.make_type_32.loc4_19: init type = call constants.%Int32() [template = i32]
    232. 

  232. // CHECK:STDOUT:     %.loc4_19.1: type = value_of_initializer %int.make_type_32.loc4_19 [template = i32]
    233. 

  233. // CHECK:STDOUT:     %.loc4_19.2: type = converted %int.make_type_32.loc4_19, %.loc4_19.1 [template = i32]
    234. 

  234. // CHECK:STDOUT:     %int.make_type_32.loc4_27: init type = call constants.%Int32() [template = i32]
    235. 

  235. // CHECK:STDOUT:     %.loc4_27.1: type = value_of_initializer %int.make_type_32.loc4_27 [template = i32]
    236. 

  236. // CHECK:STDOUT:     %.loc4_27.2: type = converted %int.make_type_32.loc4_27, %.loc4_27.1 [template = i32]
    237. 

  237. // CHECK:STDOUT:     %a.param: i32 = value_param runtime_param0
    238. 

  238. // CHECK:STDOUT:     %a: i32 = bind_name a, %a.param
    239. 

  239. // CHECK:STDOUT:     %b.param: i32 = value_param runtime_param1
    240. 

  240. // CHECK:STDOUT:     %b: i32 = bind_name b, %b.param
    241. 

  241. // CHECK:STDOUT:     %return.param: ref i32 = out_param runtime_param2
    242. 

  242. // CHECK:STDOUT:     %return: ref i32 = return_slot %return.param
    243. 

  243. // CHECK:STDOUT:   }
    244. 

  244. // CHECK:STDOUT:   %Sub.decl: %Sub.type = fn_decl @Sub [template = constants.%Sub] {
    245. 

  245. // CHECK:STDOUT:     %a.patt: i32 = binding_pattern a
    246. 

  246. // CHECK:STDOUT:     %a.param_patt: i32 = value_param_pattern %a.patt, runtime_param0
    247. 

  247. // CHECK:STDOUT:     %b.patt: i32 = binding_pattern b
    248. 

  248. // CHECK:STDOUT:     %b.param_patt: i32 = value_param_pattern %b.patt, runtime_param1
    249. 

  249. // CHECK:STDOUT:     %return.patt: i32 = return_slot_pattern
    250. 

  250. // CHECK:STDOUT:     %return.param_patt: i32 = out_param_pattern %return.patt, runtime_param2
    251. 

  251. // CHECK:STDOUT:   } {
    252. 

  252. // CHECK:STDOUT:     %int.make_type_32.loc5_11: init type = call constants.%Int32() [template = i32]
    253. 

  253. // CHECK:STDOUT:     %.loc5_11.1: type = value_of_initializer %int.make_type_32.loc5_11 [template = i32]
    254. 

  254. // CHECK:STDOUT:     %.loc5_11.2: type = converted %int.make_type_32.loc5_11, %.loc5_11.1 [template = i32]
    255. 

  255. // CHECK:STDOUT:     %int.make_type_32.loc5_19: init type = call constants.%Int32() [template = i32]
    256. 

  256. // CHECK:STDOUT:     %.loc5_19.1: type = value_of_initializer %int.make_type_32.loc5_19 [template = i32]
    257. 

  257. // CHECK:STDOUT:     %.loc5_19.2: type = converted %int.make_type_32.loc5_19, %.loc5_19.1 [template = i32]
    258. 

  258. // CHECK:STDOUT:     %int.make_type_32.loc5_27: init type = call constants.%Int32() [template = i32]
    259. 

  259. // CHECK:STDOUT:     %.loc5_27.1: type = value_of_initializer %int.make_type_32.loc5_27 [template = i32]
    260. 

  260. // CHECK:STDOUT:     %.loc5_27.2: type = converted %int.make_type_32.loc5_27, %.loc5_27.1 [template = i32]
    261. 

  261. // CHECK:STDOUT:     %a.param: i32 = value_param runtime_param0
    262. 

  262. // CHECK:STDOUT:     %a: i32 = bind_name a, %a.param
    263. 

  263. // CHECK:STDOUT:     %b.param: i32 = value_param runtime_param1
    264. 

  264. // CHECK:STDOUT:     %b: i32 = bind_name b, %b.param
    265. 

  265. // CHECK:STDOUT:     %return.param: ref i32 = out_param runtime_param2
    266. 

  266. // CHECK:STDOUT:     %return: ref i32 = return_slot %return.param
    267. 

  267. // CHECK:STDOUT:   }
    268. 

  268. // CHECK:STDOUT:   %Negate.decl: %Negate.type = fn_decl @Negate [template = constants.%Negate] {
    269. 

  269. // CHECK:STDOUT:     %a.patt: i32 = binding_pattern a
    270. 

  270. // CHECK:STDOUT:     %a.param_patt: i32 = value_param_pattern %a.patt, runtime_param0
    271. 

  271. // CHECK:STDOUT:     %return.patt: i32 = return_slot_pattern
    272. 

  272. // CHECK:STDOUT:     %return.param_patt: i32 = out_param_pattern %return.patt, runtime_param1
    273. 

  273. // CHECK:STDOUT:   } {
    274. 

  274. // CHECK:STDOUT:     %int.make_type_32.loc6_14: init type = call constants.%Int32() [template = i32]
    275. 

  275. // CHECK:STDOUT:     %.loc6_14.1: type = value_of_initializer %int.make_type_32.loc6_14 [template = i32]
    276. 

  276. // CHECK:STDOUT:     %.loc6_14.2: type = converted %int.make_type_32.loc6_14, %.loc6_14.1 [template = i32]
    277. 

  277. // CHECK:STDOUT:     %int.make_type_32.loc6_22: init type = call constants.%Int32() [template = i32]
    278. 

  278. // CHECK:STDOUT:     %.loc6_22.1: type = value_of_initializer %int.make_type_32.loc6_22 [template = i32]
    279. 

  279. // CHECK:STDOUT:     %.loc6_22.2: type = converted %int.make_type_32.loc6_22, %.loc6_22.1 [template = i32]
    280. 

  280. // CHECK:STDOUT:     %a.param: i32 = value_param runtime_param0
    281. 

  281. // CHECK:STDOUT:     %a: i32 = bind_name a, %a.param
    282. 

  282. // CHECK:STDOUT:     %return.param: ref i32 = out_param runtime_param1
    283. 

  283. // CHECK:STDOUT:     %return: ref i32 = return_slot %return.param
    284. 

  284. // CHECK:STDOUT:   }
    285. 

  285. // CHECK:STDOUT:   %int.make_type_32.loc9: init type = call constants.%Int32() [template = i32]
    286. 

  286. // CHECK:STDOUT:   %.loc9_8.1: type = value_of_initializer %int.make_type_32.loc9 [template = i32]
    287. 

  287. // CHECK:STDOUT:   %.loc9_8.2: type = converted %int.make_type_32.loc9, %.loc9_8.1 [template = i32]
    288. 

  288. // CHECK:STDOUT:   %int.make_type_32.loc12: init type = call constants.%Int32() [template = i32]
    289. 

  289. // CHECK:STDOUT:   %.loc12_8.1: type = value_of_initializer %int.make_type_32.loc12 [template = i32]
    290. 

  290. // CHECK:STDOUT:   %.loc12_8.2: type = converted %int.make_type_32.loc12, %.loc12_8.1 [template = i32]
    291. 

  291. // CHECK:STDOUT:   %int.make_type_32.loc15: init type = call constants.%Int32() [template = i32]
    292. 

  292. // CHECK:STDOUT:   %.loc15_8.1: type = value_of_initializer %int.make_type_32.loc15 [template = i32]
    293. 

  293. // CHECK:STDOUT:   %.loc15_8.2: type = converted %int.make_type_32.loc15, %.loc15_8.1 [template = i32]
    294. 

  294. // CHECK:STDOUT: }
    295. 

  295. // CHECK:STDOUT:
    296. 

  296. // CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
    297. 

  297. // CHECK:STDOUT:
    298. 

  298. // CHECK:STDOUT: fn @Div(%a.param_patt: i32, %b.param_patt: i32) -> i32 = "int.udiv";
    299. 

  299. // CHECK:STDOUT:
    300. 

  300. // CHECK:STDOUT: fn @Sub(%a.param_patt: i32, %b.param_patt: i32) -> i32 = "int.usub";
    301. 

  301. // CHECK:STDOUT:
    302. 

  302. // CHECK:STDOUT: fn @Negate(%a.param_patt: i32) -> i32 = "int.unegate";
    303. 

  303. // CHECK:STDOUT:
    304. 

  304. // CHECK:STDOUT: fn @__global_init() {
    305. 

  305. // CHECK:STDOUT: !entry:
    306. 

  306. // CHECK:STDOUT:   %Div.ref.loc9: %Div.type = name_ref Div, file.%Div.decl [template = constants.%Div]
    307. 

  307. // CHECK:STDOUT:   %Negate.ref.loc9_18: %Negate.type = name_ref Negate, file.%Negate.decl [template = constants.%Negate]
    308. 

  308. // CHECK:STDOUT:   %.loc9_25: i32 = int_literal 2147483647 [template = constants.%.2]
    309. 

  309. // CHECK:STDOUT:   %int.unegate.loc9_24: init i32 = call %Negate.ref.loc9_18(%.loc9_25) [template = constants.%.3]
    310. 

  310. // CHECK:STDOUT:   %Negate.ref.loc9_39: %Negate.type = name_ref Negate, file.%Negate.decl [template = constants.%Negate]
    311. 

  311. // CHECK:STDOUT:   %.loc9_46: i32 = int_literal 1 [template = constants.%.4]
    312. 

  312. // CHECK:STDOUT:   %int.unegate.loc9_45: init i32 = call %Negate.ref.loc9_39(%.loc9_46) [template = constants.%.5]
    313. 

  313. // CHECK:STDOUT:   %.loc9_24.1: i32 = value_of_initializer %int.unegate.loc9_24 [template = constants.%.3]
    314. 

  314. // CHECK:STDOUT:   %.loc9_24.2: i32 = converted %int.unegate.loc9_24, %.loc9_24.1 [template = constants.%.3]
    315. 

  315. // CHECK:STDOUT:   %.loc9_45.1: i32 = value_of_initializer %int.unegate.loc9_45 [template = constants.%.5]
    316. 

  316. // CHECK:STDOUT:   %.loc9_45.2: i32 = converted %int.unegate.loc9_45, %.loc9_45.1 [template = constants.%.5]
    317. 

  317. // CHECK:STDOUT:   %int.udiv.loc9: init i32 = call %Div.ref.loc9(%.loc9_24.2, %.loc9_45.2) [template = constants.%.6]
    318. 

  318. // CHECK:STDOUT:   %.loc9_49.1: i32 = value_of_initializer %int.udiv.loc9 [template = constants.%.6]
    319. 

  319. // CHECK:STDOUT:   %.loc9_49.2: i32 = converted %int.udiv.loc9, %.loc9_49.1 [template = constants.%.6]
    320. 

  320. // CHECK:STDOUT:   %a: i32 = bind_name a, %.loc9_49.2
    321. 

  321. // CHECK:STDOUT:   %Div.ref.loc12: %Div.type = name_ref Div, file.%Div.decl [template = constants.%Div]
    322. 

  322. // CHECK:STDOUT:   %Sub.ref.loc12: %Sub.type = name_ref Sub, file.%Sub.decl [template = constants.%Sub]
    323. 

  323. // CHECK:STDOUT:   %Negate.ref.loc12: %Negate.type = name_ref Negate, file.%Negate.decl [template = constants.%Negate]
    324. 

  324. // CHECK:STDOUT:   %.loc12_29: i32 = int_literal 2147483647 [template = constants.%.2]
    325. 

  325. // CHECK:STDOUT:   %int.unegate.loc12: init i32 = call %Negate.ref.loc12(%.loc12_29) [template = constants.%.3]
    326. 

  326. // CHECK:STDOUT:   %.loc12_43: i32 = int_literal 1 [template = constants.%.4]
    327. 

  327. // CHECK:STDOUT:   %.loc12_28.1: i32 = value_of_initializer %int.unegate.loc12 [template = constants.%.3]
    328. 

  328. // CHECK:STDOUT:   %.loc12_28.2: i32 = converted %int.unegate.loc12, %.loc12_28.1 [template = constants.%.3]
    329. 

  329. // CHECK:STDOUT:   %int.usub.loc12: init i32 = call %Sub.ref.loc12(%.loc12_28.2, %.loc12_43) [template = constants.%.7]
    330. 

  330. // CHECK:STDOUT:   %.loc12_47: i32 = int_literal 1 [template = constants.%.4]
    331. 

  331. // CHECK:STDOUT:   %.loc12_21.1: i32 = value_of_initializer %int.usub.loc12 [template = constants.%.7]
    332. 

  332. // CHECK:STDOUT:   %.loc12_21.2: i32 = converted %int.usub.loc12, %.loc12_21.1 [template = constants.%.7]
    333. 

  333. // CHECK:STDOUT:   %int.udiv.loc12: init i32 = call %Div.ref.loc12(%.loc12_21.2, %.loc12_47) [template = constants.%.7]
    334. 

  334. // CHECK:STDOUT:   %.loc12_49.1: i32 = value_of_initializer %int.udiv.loc12 [template = constants.%.7]
    335. 

  335. // CHECK:STDOUT:   %.loc12_49.2: i32 = converted %int.udiv.loc12, %.loc12_49.1 [template = constants.%.7]
    336. 

  336. // CHECK:STDOUT:   %b: i32 = bind_name b, %.loc12_49.2
    337. 

  337. // CHECK:STDOUT:   %Div.ref.loc15: %Div.type = name_ref Div, file.%Div.decl [template = constants.%Div]
    338. 

  338. // CHECK:STDOUT:   %Sub.ref.loc15: %Sub.type = name_ref Sub, file.%Sub.decl [template = constants.%Sub]
    339. 

  339. // CHECK:STDOUT:   %Negate.ref.loc15_22: %Negate.type = name_ref Negate, file.%Negate.decl [template = constants.%Negate]
    340. 

  340. // CHECK:STDOUT:   %.loc15_29: i32 = int_literal 2147483647 [template = constants.%.2]
    341. 

  341. // CHECK:STDOUT:   %int.unegate.loc15_28: init i32 = call %Negate.ref.loc15_22(%.loc15_29) [template = constants.%.3]
    342. 

  342. // CHECK:STDOUT:   %.loc15_43: i32 = int_literal 1 [template = constants.%.4]
    343. 

  343. // CHECK:STDOUT:   %.loc15_28.1: i32 = value_of_initializer %int.unegate.loc15_28 [template = constants.%.3]
    344. 

  344. // CHECK:STDOUT:   %.loc15_28.2: i32 = converted %int.unegate.loc15_28, %.loc15_28.1 [template = constants.%.3]
    345. 

  345. // CHECK:STDOUT:   %int.usub.loc15: init i32 = call %Sub.ref.loc15(%.loc15_28.2, %.loc15_43) [template = constants.%.7]
    346. 

  346. // CHECK:STDOUT:   %Negate.ref.loc15_47: %Negate.type = name_ref Negate, file.%Negate.decl [template = constants.%Negate]
    347. 

  347. // CHECK:STDOUT:   %.loc15_54: i32 = int_literal 1 [template = constants.%.4]
    348. 

  348. // CHECK:STDOUT:   %int.unegate.loc15_53: init i32 = call %Negate.ref.loc15_47(%.loc15_54) [template = constants.%.5]
    349. 

  349. // CHECK:STDOUT:   %.loc15_21.1: i32 = value_of_initializer %int.usub.loc15 [template = constants.%.7]
    350. 

  350. // CHECK:STDOUT:   %.loc15_21.2: i32 = converted %int.usub.loc15, %.loc15_21.1 [template = constants.%.7]
    351. 

  351. // CHECK:STDOUT:   %.loc15_53.1: i32 = value_of_initializer %int.unegate.loc15_53 [template = constants.%.5]
    352. 

  352. // CHECK:STDOUT:   %.loc15_53.2: i32 = converted %int.unegate.loc15_53, %.loc15_53.1 [template = constants.%.5]
    353. 

  353. // CHECK:STDOUT:   %int.udiv.loc15: init i32 = call %Div.ref.loc15(%.loc15_21.2, %.loc15_53.2) [template = constants.%.6]
    354. 

  354. // CHECK:STDOUT:   %.loc15_57.1: i32 = value_of_initializer %int.udiv.loc15 [template = constants.%.6]
    355. 

  355. // CHECK:STDOUT:   %.loc15_57.2: i32 = converted %int.udiv.loc15, %.loc15_57.1 [template = constants.%.6]
    356. 

  356. // CHECK:STDOUT:   %c: i32 = bind_name c, %.loc15_57.2
    357. 

  357. // CHECK:STDOUT:   return
    358. 

  358. // CHECK:STDOUT: }
    359. 

  359. // CHECK:STDOUT:
    360. 

  360. // CHECK:STDOUT: --- fail_div_by_zero.carbon
    361. 

  361. // CHECK:STDOUT:
    362. 

  362. // CHECK:STDOUT: constants {
    363. 

  363. // CHECK:STDOUT:   %Int32.type: type = fn_type @Int32 [template]
    364. 

  364. // CHECK:STDOUT:   %.1: type = tuple_type () [template]
    365. 

  365. // CHECK:STDOUT:   %Int32: %Int32.type = struct_value () [template]
    366. 

  366. // CHECK:STDOUT:   %Div.type: type = fn_type @Div [template]
    367. 

  367. // CHECK:STDOUT:   %Div: %Div.type = struct_value () [template]
    368. 

  368. // CHECK:STDOUT:   %.2: i32 = int_literal 1 [template]
    369. 

  369. // CHECK:STDOUT:   %.3: i32 = int_literal 0 [template]
    370. 

  370. // CHECK:STDOUT: }
    371. 

  371. // CHECK:STDOUT:
    372. 

  372. // CHECK:STDOUT: imports {
    373. 

  373. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
    374. 

  374. // CHECK:STDOUT:     .Int32 = %import_ref
    375. 

  375. // CHECK:STDOUT:     import Core//prelude
    376. 

  376. // CHECK:STDOUT:     import Core//prelude/...
    377. 

  377. // CHECK:STDOUT:   }
    378. 

  378. // CHECK:STDOUT:   %import_ref: %Int32.type = import_ref Core//prelude/types, inst+15, loaded [template = constants.%Int32]
    379. 

  379. // CHECK:STDOUT: }
    380. 

  380. // CHECK:STDOUT:
    381. 

  381. // CHECK:STDOUT: file {
    382. 

  382. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    383. 

  383. // CHECK:STDOUT:     .Core = imports.%Core
    384. 

  384. // CHECK:STDOUT:     .Div = %Div.decl
    385. 

  385. // CHECK:STDOUT:     .a = @__global_init.%a
    386. 

  386. // CHECK:STDOUT:     .b = @__global_init.%b
    387. 

  387. // CHECK:STDOUT:   }
    388. 

  388. // CHECK:STDOUT:   %Core.import = import Core
    389. 

  389. // CHECK:STDOUT:   %Div.decl: %Div.type = fn_decl @Div [template = constants.%Div] {
    390. 

  390. // CHECK:STDOUT:     %a.patt: i32 = binding_pattern a
    391. 

  391. // CHECK:STDOUT:     %a.param_patt: i32 = value_param_pattern %a.patt, runtime_param0
    392. 

  392. // CHECK:STDOUT:     %b.patt: i32 = binding_pattern b
    393. 

  393. // CHECK:STDOUT:     %b.param_patt: i32 = value_param_pattern %b.patt, runtime_param1
    394. 

  394. // CHECK:STDOUT:     %return.patt: i32 = return_slot_pattern
    395. 

  395. // CHECK:STDOUT:     %return.param_patt: i32 = out_param_pattern %return.patt, runtime_param2
    396. 

  396. // CHECK:STDOUT:   } {
    397. 

  397. // CHECK:STDOUT:     %int.make_type_32.loc4_11: init type = call constants.%Int32() [template = i32]
    398. 

  398. // CHECK:STDOUT:     %.loc4_11.1: type = value_of_initializer %int.make_type_32.loc4_11 [template = i32]
    399. 

  399. // CHECK:STDOUT:     %.loc4_11.2: type = converted %int.make_type_32.loc4_11, %.loc4_11.1 [template = i32]
    400. 

  400. // CHECK:STDOUT:     %int.make_type_32.loc4_19: init type = call constants.%Int32() [template = i32]
    401. 

  401. // CHECK:STDOUT:     %.loc4_19.1: type = value_of_initializer %int.make_type_32.loc4_19 [template = i32]
    402. 

  402. // CHECK:STDOUT:     %.loc4_19.2: type = converted %int.make_type_32.loc4_19, %.loc4_19.1 [template = i32]
    403. 

  403. // CHECK:STDOUT:     %int.make_type_32.loc4_27: init type = call constants.%Int32() [template = i32]
    404. 

  404. // CHECK:STDOUT:     %.loc4_27.1: type = value_of_initializer %int.make_type_32.loc4_27 [template = i32]
    405. 

  405. // CHECK:STDOUT:     %.loc4_27.2: type = converted %int.make_type_32.loc4_27, %.loc4_27.1 [template = i32]
    406. 

  406. // CHECK:STDOUT:     %a.param: i32 = value_param runtime_param0
    407. 

  407. // CHECK:STDOUT:     %a: i32 = bind_name a, %a.param
    408. 

  408. // CHECK:STDOUT:     %b.param: i32 = value_param runtime_param1
    409. 

  409. // CHECK:STDOUT:     %b: i32 = bind_name b, %b.param
    410. 

  410. // CHECK:STDOUT:     %return.param: ref i32 = out_param runtime_param2
    411. 

  411. // CHECK:STDOUT:     %return: ref i32 = return_slot %return.param
    412. 

  412. // CHECK:STDOUT:   }
    413. 

  413. // CHECK:STDOUT:   %int.make_type_32.loc10: init type = call constants.%Int32() [template = i32]
    414. 

  414. // CHECK:STDOUT:   %.loc10_8.1: type = value_of_initializer %int.make_type_32.loc10 [template = i32]
    415. 

  415. // CHECK:STDOUT:   %.loc10_8.2: type = converted %int.make_type_32.loc10, %.loc10_8.1 [template = i32]
    416. 

  416. // CHECK:STDOUT:   %int.make_type_32.loc15: init type = call constants.%Int32() [template = i32]
    417. 

  417. // CHECK:STDOUT:   %.loc15_8.1: type = value_of_initializer %int.make_type_32.loc15 [template = i32]
    418. 

  418. // CHECK:STDOUT:   %.loc15_8.2: type = converted %int.make_type_32.loc15, %.loc15_8.1 [template = i32]
    419. 

  419. // CHECK:STDOUT: }
    420. 

  420. // CHECK:STDOUT:
    421. 

  421. // CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
    422. 

  422. // CHECK:STDOUT:
    423. 

  423. // CHECK:STDOUT: fn @Div(%a.param_patt: i32, %b.param_patt: i32) -> i32 = "int.udiv";
    424. 

  424. // CHECK:STDOUT:
    425. 

  425. // CHECK:STDOUT: fn @__global_init() {
    426. 

  426. // CHECK:STDOUT: !entry:
    427. 

  427. // CHECK:STDOUT:   %Div.ref.loc10: %Div.type = name_ref Div, file.%Div.decl [template = constants.%Div]
    428. 

  428. // CHECK:STDOUT:   %.loc10_18: i32 = int_literal 1 [template = constants.%.2]
    429. 

  429. // CHECK:STDOUT:   %.loc10_21: i32 = int_literal 0 [template = constants.%.3]
    430. 

  430. // CHECK:STDOUT:   %int.udiv.loc10: init i32 = call %Div.ref.loc10(%.loc10_18, %.loc10_21) [template = <error>]
    431. 

  431. // CHECK:STDOUT:   %.loc10_23.1: i32 = value_of_initializer %int.udiv.loc10 [template = <error>]
    432. 

  432. // CHECK:STDOUT:   %.loc10_23.2: i32 = converted %int.udiv.loc10, %.loc10_23.1 [template = <error>]
    433. 

  433. // CHECK:STDOUT:   %a: i32 = bind_name a, %.loc10_23.2
    434. 

  434. // CHECK:STDOUT:   %Div.ref.loc15: %Div.type = name_ref Div, file.%Div.decl [template = constants.%Div]
    435. 

  435. // CHECK:STDOUT:   %.loc15_18: i32 = int_literal 0 [template = constants.%.3]
    436. 

  436. // CHECK:STDOUT:   %.loc15_21: i32 = int_literal 0 [template = constants.%.3]
    437. 

  437. // CHECK:STDOUT:   %int.udiv.loc15: init i32 = call %Div.ref.loc15(%.loc15_18, %.loc15_21) [template = <error>]
    438. 

  438. // CHECK:STDOUT:   %.loc15_23.1: i32 = value_of_initializer %int.udiv.loc15 [template = <error>]
    439. 

  439. // CHECK:STDOUT:   %.loc15_23.2: i32 = converted %int.udiv.loc15, %.loc15_23.1 [template = <error>]
    440. 

  440. // CHECK:STDOUT:   %b: i32 = bind_name b, %.loc15_23.2
    441. 

  441. // CHECK:STDOUT:   return
    442. 

  442. // CHECK:STDOUT: }
    443. 

  443. // CHECK:STDOUT:
    444.