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carbon-lang
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toolchain
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check
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testdata
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builtins
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float
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eq.carbon

eq.carbon 14 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. // TIP: To test this file alone, run:
    7. 

  7. // TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/builtins/float/eq.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/float/eq.carbon
    10. 

  10. 

  11. // --- float_eq.carbon
    12. 

  12. 

  13. fn Eq(a: f64, b: f64) -> bool = "float.eq";
    14. 

  14. 

  15. class True {}
    16. 

  16. class False {}
    17. 

  17. 

  18. fn F(true_: True, false_: False) {
    19. 

  19.   true_ as (if Eq(1.0, 1.0) then True else False);
    20. 

  20.   false_ as (if Eq(1.0, 2.0) then True else False);
    21. 

  21. }
    22. 

  22. 

  23. fn RuntimeCall(a: f64, b: f64) -> bool {
    24. 

  24.   return Eq(a, b);
    25. 

  25. }
    26. 

  26. 

  27. // --- fail_bad_decl.carbon
    28. 

  28. 

  29. package FailBadDecl;
    30. 

  30. 

  31. // CHECK:STDERR: fail_bad_decl.carbon:[[@LINE+3]]:1: ERROR: Invalid signature for builtin function "float.eq".
    32. 

  32. // CHECK:STDERR: fn WrongResult(a: f64, b: f64) -> f64 = "float.eq";
    33. 

  33. // CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    34. 

  34. fn WrongResult(a: f64, b: f64) -> f64 = "float.eq";
    35. 

  35. 

  36. // CHECK:STDOUT: --- float_eq.carbon
    37. 

  37. // CHECK:STDOUT:
    38. 

  38. // CHECK:STDOUT: constants {
    39. 

  39. // CHECK:STDOUT:   %.1: i32 = int_literal 64 [template]
    40. 

  40. // CHECK:STDOUT:   %Float.type: type = fn_type @Float [template]
    41. 

  41. // CHECK:STDOUT:   %.2: type = tuple_type () [template]
    42. 

  42. // CHECK:STDOUT:   %Float: %Float.type = struct_value () [template]
    43. 

  43. // CHECK:STDOUT:   %Bool.type: type = fn_type @Bool [template]
    44. 

  44. // CHECK:STDOUT:   %Bool: %Bool.type = struct_value () [template]
    45. 

  45. // CHECK:STDOUT:   %Eq.type: type = fn_type @Eq [template]
    46. 

  46. // CHECK:STDOUT:   %Eq: %Eq.type = struct_value () [template]
    47. 

  47. // CHECK:STDOUT:   %True: type = class_type @True [template]
    48. 

  48. // CHECK:STDOUT:   %.3: type = struct_type {} [template]
    49. 

  49. // CHECK:STDOUT:   %False: type = class_type @False [template]
    50. 

  50. // CHECK:STDOUT:   %F.type: type = fn_type @F [template]
    51. 

  51. // CHECK:STDOUT:   %F: %F.type = struct_value () [template]
    52. 

  52. // CHECK:STDOUT:   %.4: type = ptr_type %.3 [template]
    53. 

  53. // CHECK:STDOUT:   %.5: f64 = float_literal 1 [template]
    54. 

  54. // CHECK:STDOUT:   %.6: bool = bool_literal true [template]
    55. 

  55. // CHECK:STDOUT:   %.7: f64 = float_literal 2 [template]
    56. 

  56. // CHECK:STDOUT:   %.8: bool = bool_literal false [template]
    57. 

  57. // CHECK:STDOUT:   %RuntimeCall.type: type = fn_type @RuntimeCall [template]
    58. 

  58. // CHECK:STDOUT:   %RuntimeCall: %RuntimeCall.type = struct_value () [template]
    59. 

  59. // CHECK:STDOUT: }
    60. 

  60. // CHECK:STDOUT:
    61. 

  61. // CHECK:STDOUT: file {
    62. 

  62. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    63. 

  63. // CHECK:STDOUT:     .Core = %Core
    64. 

  64. // CHECK:STDOUT:     .Eq = %Eq.decl
    65. 

  65. // CHECK:STDOUT:     .True = %True.decl
    66. 

  66. // CHECK:STDOUT:     .False = %False.decl
    67. 

  67. // CHECK:STDOUT:     .F = %F.decl
    68. 

  68. // CHECK:STDOUT:     .RuntimeCall = %RuntimeCall.decl
    69. 

  69. // CHECK:STDOUT:   }
    70. 

  70. // CHECK:STDOUT:   %Core: <namespace> = namespace [template] {}
    71. 

  71. // CHECK:STDOUT:   %import_ref.1: %Float.type = import_ref ir3, inst+31, loaded [template = constants.%Float]
    72. 

  72. // CHECK:STDOUT:   %import_ref.2: %Float.type = import_ref ir3, inst+31, loaded [template = constants.%Float]
    73. 

  73. // CHECK:STDOUT:   %import_ref.3: %Bool.type = import_ref ir7, inst+2, loaded [template = constants.%Bool]
    74. 

  74. // CHECK:STDOUT:   %Eq.decl: %Eq.type = fn_decl @Eq [template = constants.%Eq] {
    75. 

  75. // CHECK:STDOUT:     %.loc2_10.1: i32 = int_literal 64 [template = constants.%.1]
    76. 

  76. // CHECK:STDOUT:     %float.make_type.loc2_10: init type = call constants.%Float(%.loc2_10.1) [template = f64]
    77. 

  77. // CHECK:STDOUT:     %.loc2_10.2: type = value_of_initializer %float.make_type.loc2_10 [template = f64]
    78. 

  78. // CHECK:STDOUT:     %.loc2_10.3: type = converted %float.make_type.loc2_10, %.loc2_10.2 [template = f64]
    79. 

  79. // CHECK:STDOUT:     %a.loc2_7.1: f64 = param a
    80. 

  80. // CHECK:STDOUT:     @Eq.%a: f64 = bind_name a, %a.loc2_7.1
    81. 

  81. // CHECK:STDOUT:     %.loc2_18.1: i32 = int_literal 64 [template = constants.%.1]
    82. 

  82. // CHECK:STDOUT:     %float.make_type.loc2_18: init type = call constants.%Float(%.loc2_18.1) [template = f64]
    83. 

  83. // CHECK:STDOUT:     %.loc2_18.2: type = value_of_initializer %float.make_type.loc2_18 [template = f64]
    84. 

  84. // CHECK:STDOUT:     %.loc2_18.3: type = converted %float.make_type.loc2_18, %.loc2_18.2 [template = f64]
    85. 

  85. // CHECK:STDOUT:     %b.loc2_15.1: f64 = param b
    86. 

  86. // CHECK:STDOUT:     @Eq.%b: f64 = bind_name b, %b.loc2_15.1
    87. 

  87. // CHECK:STDOUT:     %bool.make_type.loc2: init type = call constants.%Bool() [template = bool]
    88. 

  88. // CHECK:STDOUT:     %.loc2_26.1: type = value_of_initializer %bool.make_type.loc2 [template = bool]
    89. 

  89. // CHECK:STDOUT:     %.loc2_26.2: type = converted %bool.make_type.loc2, %.loc2_26.1 [template = bool]
    90. 

  90. // CHECK:STDOUT:     @Eq.%return: ref bool = var <return slot>
    91. 

  91. // CHECK:STDOUT:   }
    92. 

  92. // CHECK:STDOUT:   %True.decl: type = class_decl @True [template = constants.%True] {}
    93. 

  93. // CHECK:STDOUT:   %False.decl: type = class_decl @False [template = constants.%False] {}
    94. 

  94. // CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [template = constants.%F] {
    95. 

  95. // CHECK:STDOUT:     %True.ref: type = name_ref True, %True.decl [template = constants.%True]
    96. 

  96. // CHECK:STDOUT:     %true_.loc7_6.1: %True = param true_
    97. 

  97. // CHECK:STDOUT:     @F.%true_: %True = bind_name true_, %true_.loc7_6.1
    98. 

  98. // CHECK:STDOUT:     %False.ref: type = name_ref False, %False.decl [template = constants.%False]
    99. 

  99. // CHECK:STDOUT:     %false_.loc7_19.1: %False = param false_
    100. 

  100. // CHECK:STDOUT:     @F.%false_: %False = bind_name false_, %false_.loc7_19.1
    101. 

  101. // CHECK:STDOUT:   }
    102. 

  102. // CHECK:STDOUT:   %import_ref.4: %Float.type = import_ref ir3, inst+31, loaded [template = constants.%Float]
    103. 

  103. // CHECK:STDOUT:   %import_ref.5: %Float.type = import_ref ir3, inst+31, loaded [template = constants.%Float]
    104. 

  104. // CHECK:STDOUT:   %import_ref.6: %Bool.type = import_ref ir7, inst+2, loaded [template = constants.%Bool]
    105. 

  105. // CHECK:STDOUT:   %RuntimeCall.decl: %RuntimeCall.type = fn_decl @RuntimeCall [template = constants.%RuntimeCall] {
    106. 

  106. // CHECK:STDOUT:     %.loc12_19.1: i32 = int_literal 64 [template = constants.%.1]
    107. 

  107. // CHECK:STDOUT:     %float.make_type.loc12_19: init type = call constants.%Float(%.loc12_19.1) [template = f64]
    108. 

  108. // CHECK:STDOUT:     %.loc12_19.2: type = value_of_initializer %float.make_type.loc12_19 [template = f64]
    109. 

  109. // CHECK:STDOUT:     %.loc12_19.3: type = converted %float.make_type.loc12_19, %.loc12_19.2 [template = f64]
    110. 

  110. // CHECK:STDOUT:     %a.loc12_16.1: f64 = param a
    111. 

  111. // CHECK:STDOUT:     @RuntimeCall.%a: f64 = bind_name a, %a.loc12_16.1
    112. 

  112. // CHECK:STDOUT:     %.loc12_27.1: i32 = int_literal 64 [template = constants.%.1]
    113. 

  113. // CHECK:STDOUT:     %float.make_type.loc12_27: init type = call constants.%Float(%.loc12_27.1) [template = f64]
    114. 

  114. // CHECK:STDOUT:     %.loc12_27.2: type = value_of_initializer %float.make_type.loc12_27 [template = f64]
    115. 

  115. // CHECK:STDOUT:     %.loc12_27.3: type = converted %float.make_type.loc12_27, %.loc12_27.2 [template = f64]
    116. 

  116. // CHECK:STDOUT:     %b.loc12_24.1: f64 = param b
    117. 

  117. // CHECK:STDOUT:     @RuntimeCall.%b: f64 = bind_name b, %b.loc12_24.1
    118. 

  118. // CHECK:STDOUT:     %bool.make_type.loc12: init type = call constants.%Bool() [template = bool]
    119. 

  119. // CHECK:STDOUT:     %.loc12_35.1: type = value_of_initializer %bool.make_type.loc12 [template = bool]
    120. 

  120. // CHECK:STDOUT:     %.loc12_35.2: type = converted %bool.make_type.loc12, %.loc12_35.1 [template = bool]
    121. 

  121. // CHECK:STDOUT:     @RuntimeCall.%return: ref bool = var <return slot>
    122. 

  122. // CHECK:STDOUT:   }
    123. 

  123. // CHECK:STDOUT: }
    124. 

  124. // CHECK:STDOUT:
    125. 

  125. // CHECK:STDOUT: class @True {
    126. 

  126. // CHECK:STDOUT: !members:
    127. 

  127. // CHECK:STDOUT:   .Self = constants.%True
    128. 

  128. // CHECK:STDOUT: }
    129. 

  129. // CHECK:STDOUT:
    130. 

  130. // CHECK:STDOUT: class @False {
    131. 

  131. // CHECK:STDOUT: !members:
    132. 

  132. // CHECK:STDOUT:   .Self = constants.%False
    133. 

  133. // CHECK:STDOUT: }
    134. 

  134. // CHECK:STDOUT:
    135. 

  135. // CHECK:STDOUT: fn @Float(%size: i32) -> type = "float.make_type";
    136. 

  136. // CHECK:STDOUT:
    137. 

  137. // CHECK:STDOUT: fn @Bool() -> type = "bool.make_type";
    138. 

  138. // CHECK:STDOUT:
    139. 

  139. // CHECK:STDOUT: fn @Eq(%a: f64, %b: f64) -> bool = "float.eq";
    140. 

  140. // CHECK:STDOUT:
    141. 

  141. // CHECK:STDOUT: fn @F(%true_: %True, %false_: %False) {
    142. 

  142. // CHECK:STDOUT: !entry:
    143. 

  143. // CHECK:STDOUT:   %true_.ref: %True = name_ref true_, %true_
    144. 

  144. // CHECK:STDOUT:   %Eq.ref.loc8: %Eq.type = name_ref Eq, file.%Eq.decl [template = constants.%Eq]
    145. 

  145. // CHECK:STDOUT:   %.loc8_19: f64 = float_literal 1 [template = constants.%.5]
    146. 

  146. // CHECK:STDOUT:   %.loc8_24: f64 = float_literal 1 [template = constants.%.5]
    147. 

  147. // CHECK:STDOUT:   %float.eq.loc8: init bool = call %Eq.ref.loc8(%.loc8_19, %.loc8_24) [template = constants.%.6]
    148. 

  148. // CHECK:STDOUT:   %.loc8_13.1: bool = value_of_initializer %float.eq.loc8 [template = constants.%.6]
    149. 

  149. // CHECK:STDOUT:   %.loc8_13.2: bool = converted %float.eq.loc8, %.loc8_13.1 [template = constants.%.6]
    150. 

  150. // CHECK:STDOUT:   if %.loc8_13.2 br !if.expr.then.loc8 else br !if.expr.else.loc8
    151. 

  151. // CHECK:STDOUT:
    152. 

  152. // CHECK:STDOUT: !if.expr.then.loc8:
    153. 

  153. // CHECK:STDOUT:   %True.ref.loc8: type = name_ref True, file.%True.decl [template = constants.%True]
    154. 

  154. // CHECK:STDOUT:   br !if.expr.result.loc8(%True.ref.loc8)
    155. 

  155. // CHECK:STDOUT:
    156. 

  156. // CHECK:STDOUT: !if.expr.else.loc8:
    157. 

  157. // CHECK:STDOUT:   %False.ref.loc8: type = name_ref False, file.%False.decl [template = constants.%False]
    158. 

  158. // CHECK:STDOUT:   br !if.expr.result.loc8(%False.ref.loc8)
    159. 

  159. // CHECK:STDOUT:
    160. 

  160. // CHECK:STDOUT: !if.expr.result.loc8:
    161. 

  161. // CHECK:STDOUT:   %.loc8_13.3: type = block_arg !if.expr.result.loc8 [template = constants.%True]
    162. 

  162. // CHECK:STDOUT:   %false_.ref: %False = name_ref false_, %false_
    163. 

  163. // CHECK:STDOUT:   %Eq.ref.loc9: %Eq.type = name_ref Eq, file.%Eq.decl [template = constants.%Eq]
    164. 

  164. // CHECK:STDOUT:   %.loc9_20: f64 = float_literal 1 [template = constants.%.5]
    165. 

  165. // CHECK:STDOUT:   %.loc9_25: f64 = float_literal 2 [template = constants.%.7]
    166. 

  166. // CHECK:STDOUT:   %float.eq.loc9: init bool = call %Eq.ref.loc9(%.loc9_20, %.loc9_25) [template = constants.%.8]
    167. 

  167. // CHECK:STDOUT:   %.loc9_14.1: bool = value_of_initializer %float.eq.loc9 [template = constants.%.8]
    168. 

  168. // CHECK:STDOUT:   %.loc9_14.2: bool = converted %float.eq.loc9, %.loc9_14.1 [template = constants.%.8]
    169. 

  169. // CHECK:STDOUT:   if %.loc9_14.2 br !if.expr.then.loc9 else br !if.expr.else.loc9
    170. 

  170. // CHECK:STDOUT:
    171. 

  171. // CHECK:STDOUT: !if.expr.then.loc9:
    172. 

  172. // CHECK:STDOUT:   %True.ref.loc9: type = name_ref True, file.%True.decl [template = constants.%True]
    173. 

  173. // CHECK:STDOUT:   br !if.expr.result.loc9(%True.ref.loc9)
    174. 

  174. // CHECK:STDOUT:
    175. 

  175. // CHECK:STDOUT: !if.expr.else.loc9:
    176. 

  176. // CHECK:STDOUT:   %False.ref.loc9: type = name_ref False, file.%False.decl [template = constants.%False]
    177. 

  177. // CHECK:STDOUT:   br !if.expr.result.loc9(%False.ref.loc9)
    178. 

  178. // CHECK:STDOUT:
    179. 

  179. // CHECK:STDOUT: !if.expr.result.loc9:
    180. 

  180. // CHECK:STDOUT:   %.loc9_14.3: type = block_arg !if.expr.result.loc9 [template = constants.%False]
    181. 

  181. // CHECK:STDOUT:   return
    182. 

  182. // CHECK:STDOUT: }
    183. 

  183. // CHECK:STDOUT:
    184. 

  184. // CHECK:STDOUT: fn @RuntimeCall(%a: f64, %b: f64) -> bool {
    185. 

  185. // CHECK:STDOUT: !entry:
    186. 

  186. // CHECK:STDOUT:   %Eq.ref: %Eq.type = name_ref Eq, file.%Eq.decl [template = constants.%Eq]
    187. 

  187. // CHECK:STDOUT:   %a.ref: f64 = name_ref a, %a
    188. 

  188. // CHECK:STDOUT:   %b.ref: f64 = name_ref b, %b
    189. 

  189. // CHECK:STDOUT:   %float.eq: init bool = call %Eq.ref(%a.ref, %b.ref)
    190. 

  190. // CHECK:STDOUT:   %.loc13_18.1: bool = value_of_initializer %float.eq
    191. 

  191. // CHECK:STDOUT:   %.loc13_18.2: bool = converted %float.eq, %.loc13_18.1
    192. 

  192. // CHECK:STDOUT:   return %.loc13_18.2
    193. 

  193. // CHECK:STDOUT: }
    194. 

  194. // CHECK:STDOUT:
    195. 

  195. // CHECK:STDOUT: --- fail_bad_decl.carbon
    196. 

  196. // CHECK:STDOUT:
    197. 

  197. // CHECK:STDOUT: constants {
    198. 

  198. // CHECK:STDOUT:   %.1: i32 = int_literal 64 [template]
    199. 

  199. // CHECK:STDOUT:   %Float.type: type = fn_type @Float [template]
    200. 

  200. // CHECK:STDOUT:   %.2: type = tuple_type () [template]
    201. 

  201. // CHECK:STDOUT:   %Float: %Float.type = struct_value () [template]
    202. 

  202. // CHECK:STDOUT:   %WrongResult.type: type = fn_type @WrongResult [template]
    203. 

  203. // CHECK:STDOUT:   %WrongResult: %WrongResult.type = struct_value () [template]
    204. 

  204. // CHECK:STDOUT: }
    205. 

  205. // CHECK:STDOUT:
    206. 

  206. // CHECK:STDOUT: file {
    207. 

  207. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    208. 

  208. // CHECK:STDOUT:     .Core = %Core
    209. 

  209. // CHECK:STDOUT:     .WrongResult = %WrongResult.decl
    210. 

  210. // CHECK:STDOUT:   }
    211. 

  211. // CHECK:STDOUT:   %Core: <namespace> = namespace [template] {}
    212. 

  212. // CHECK:STDOUT:   %import_ref.1: %Float.type = import_ref ir3, inst+31, loaded [template = constants.%Float]
    213. 

  213. // CHECK:STDOUT:   %import_ref.2: %Float.type = import_ref ir3, inst+31, loaded [template = constants.%Float]
    214. 

  214. // CHECK:STDOUT:   %import_ref.3: %Float.type = import_ref ir3, inst+31, loaded [template = constants.%Float]
    215. 

  215. // CHECK:STDOUT:   %WrongResult.decl: %WrongResult.type = fn_decl @WrongResult [template = constants.%WrongResult] {
    216. 

  216. // CHECK:STDOUT:     %.loc7_19.1: i32 = int_literal 64 [template = constants.%.1]
    217. 

  217. // CHECK:STDOUT:     %float.make_type.loc7_19: init type = call constants.%Float(%.loc7_19.1) [template = f64]
    218. 

  218. // CHECK:STDOUT:     %.loc7_19.2: type = value_of_initializer %float.make_type.loc7_19 [template = f64]
    219. 

  219. // CHECK:STDOUT:     %.loc7_19.3: type = converted %float.make_type.loc7_19, %.loc7_19.2 [template = f64]
    220. 

  220. // CHECK:STDOUT:     %a.loc7_16.1: f64 = param a
    221. 

  221. // CHECK:STDOUT:     @WrongResult.%a: f64 = bind_name a, %a.loc7_16.1
    222. 

  222. // CHECK:STDOUT:     %.loc7_27.1: i32 = int_literal 64 [template = constants.%.1]
    223. 

  223. // CHECK:STDOUT:     %float.make_type.loc7_27: init type = call constants.%Float(%.loc7_27.1) [template = f64]
    224. 

  224. // CHECK:STDOUT:     %.loc7_27.2: type = value_of_initializer %float.make_type.loc7_27 [template = f64]
    225. 

  225. // CHECK:STDOUT:     %.loc7_27.3: type = converted %float.make_type.loc7_27, %.loc7_27.2 [template = f64]
    226. 

  226. // CHECK:STDOUT:     %b.loc7_24.1: f64 = param b
    227. 

  227. // CHECK:STDOUT:     @WrongResult.%b: f64 = bind_name b, %b.loc7_24.1
    228. 

  228. // CHECK:STDOUT:     %.loc7_35.1: i32 = int_literal 64 [template = constants.%.1]
    229. 

  229. // CHECK:STDOUT:     %float.make_type.loc7_35: init type = call constants.%Float(%.loc7_35.1) [template = f64]
    230. 

  230. // CHECK:STDOUT:     %.loc7_35.2: type = value_of_initializer %float.make_type.loc7_35 [template = f64]
    231. 

  231. // CHECK:STDOUT:     %.loc7_35.3: type = converted %float.make_type.loc7_35, %.loc7_35.2 [template = f64]
    232. 

  232. // CHECK:STDOUT:     @WrongResult.%return: ref f64 = var <return slot>
    233. 

  233. // CHECK:STDOUT:   }
    234. 

  234. // CHECK:STDOUT: }
    235. 

  235. // CHECK:STDOUT:
    236. 

  236. // CHECK:STDOUT: fn @Float(%size: i32) -> type = "float.make_type";
    237. 

  237. // CHECK:STDOUT:
    238. 

  238. // CHECK:STDOUT: fn @WrongResult(%a: f64, %b: f64) -> f64;
    239. 

  239. // CHECK:STDOUT:
    240.