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array_element_access.carbon

array_element_access.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/index/array_element_access.carbon
    8. 

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

  9. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/index/array_element_access.carbon
    10. 

  10. 

  11. var a: array(i32, 2) = (12, 24);
    12. 

  12. var b: i32 = 1;
    13. 

  13. var c: i32 = a[0];
    14. 

  14. var d: i32 = a[b];
    15. 

  15. 

  16. // CHECK:STDOUT: --- array_element_access.carbon
    17. 

  17. // CHECK:STDOUT:
    18. 

  18. // CHECK:STDOUT: constants {
    19. 

  19. // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
    20. 

  20. // CHECK:STDOUT:   %Int.type: type = generic_class_type @Int [concrete]
    21. 

  21. // CHECK:STDOUT:   %Int.generic: %Int.type = struct_value () [concrete]
    22. 

  22. // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
    23. 

  23. // CHECK:STDOUT:   %int_2: Core.IntLiteral = int_value 2 [concrete]
    24. 

  24. // CHECK:STDOUT:   %array_type: type = array_type %int_2, %i32 [concrete]
    25. 

  25. // CHECK:STDOUT:   %pattern_type.ae7: type = pattern_type %array_type [concrete]
    26. 

  26. // CHECK:STDOUT:   %int_12.6a3: Core.IntLiteral = int_value 12 [concrete]
    27. 

  27. // CHECK:STDOUT:   %int_24.e3c: Core.IntLiteral = int_value 24 [concrete]
    28. 

  28. // CHECK:STDOUT:   %tuple.type: type = tuple_type (Core.IntLiteral, Core.IntLiteral) [concrete]
    29. 

  29. // CHECK:STDOUT:   %int_0.5c6: Core.IntLiteral = int_value 0 [concrete]
    30. 

  30. // CHECK:STDOUT:   %ImplicitAs.type.cc7: type = generic_interface_type @ImplicitAs [concrete]
    31. 

  31. // CHECK:STDOUT:   %ImplicitAs.generic: %ImplicitAs.type.cc7 = struct_value () [concrete]
    32. 

  32. // CHECK:STDOUT:   %ImplicitAs.type.205: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
    33. 

  33. // CHECK:STDOUT:   %Convert.type.1b6: type = fn_type @Convert.1, @ImplicitAs(%i32) [concrete]
    34. 

  34. // CHECK:STDOUT:   %To.c80: Core.IntLiteral = bind_symbolic_name To, 0 [symbolic]
    35. 

  35. // CHECK:STDOUT:   %Convert.type.0f9: type = fn_type @Convert.2, @impl.4f9(%To.c80) [symbolic]
    36. 

  36. // CHECK:STDOUT:   %Convert.f06: %Convert.type.0f9 = struct_value () [symbolic]
    37. 

  37. // CHECK:STDOUT:   %ImplicitAs.impl_witness.c75: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.a2f, @impl.4f9(%int_32) [concrete]
    38. 

  38. // CHECK:STDOUT:   %Convert.type.035: type = fn_type @Convert.2, @impl.4f9(%int_32) [concrete]
    39. 

  39. // CHECK:STDOUT:   %Convert.956: %Convert.type.035 = struct_value () [concrete]
    40. 

  40. // CHECK:STDOUT:   %ImplicitAs.facet: %ImplicitAs.type.205 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.c75) [concrete]
    41. 

  41. // CHECK:STDOUT:   %.9c3: type = fn_type_with_self_type %Convert.type.1b6, %ImplicitAs.facet [concrete]
    42. 

  42. // CHECK:STDOUT:   %Convert.bound.221: <bound method> = bound_method %int_12.6a3, %Convert.956 [concrete]
    43. 

  43. // CHECK:STDOUT:   %pattern_type.7ce: type = pattern_type %i32 [concrete]
    44. 

  44. // CHECK:STDOUT:   %Convert.specific_fn: <specific function> = specific_function %Convert.956, @Convert.2(%int_32) [concrete]
    45. 

  45. // CHECK:STDOUT:   %bound_method.dae: <bound method> = bound_method %int_12.6a3, %Convert.specific_fn [concrete]
    46. 

  46. // CHECK:STDOUT:   %int_12.1e1: %i32 = int_value 12 [concrete]
    47. 

  47. // CHECK:STDOUT:   %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
    48. 

  48. // CHECK:STDOUT:   %Convert.bound.ef4: <bound method> = bound_method %int_24.e3c, %Convert.956 [concrete]
    49. 

  49. // CHECK:STDOUT:   %bound_method.477: <bound method> = bound_method %int_24.e3c, %Convert.specific_fn [concrete]
    50. 

  50. // CHECK:STDOUT:   %int_24.365: %i32 = int_value 24 [concrete]
    51. 

  51. // CHECK:STDOUT:   %array: %array_type = tuple_value (%int_12.1e1, %int_24.365) [concrete]
    52. 

  52. // CHECK:STDOUT:   %Convert.bound.ab5: <bound method> = bound_method %int_1.5b8, %Convert.956 [concrete]
    53. 

  53. // CHECK:STDOUT:   %bound_method.9a1: <bound method> = bound_method %int_1.5b8, %Convert.specific_fn [concrete]
    54. 

  54. // CHECK:STDOUT:   %int_1.5d2: %i32 = int_value 1 [concrete]
    55. 

  55. // CHECK:STDOUT:   %Convert.bound.d04: <bound method> = bound_method %int_0.5c6, %Convert.956 [concrete]
    56. 

  56. // CHECK:STDOUT:   %bound_method.b6e: <bound method> = bound_method %int_0.5c6, %Convert.specific_fn [concrete]
    57. 

  57. // CHECK:STDOUT:   %int_0.6a9: %i32 = int_value 0 [concrete]
    58. 

  58. // CHECK:STDOUT: }
    59. 

  59. // CHECK:STDOUT:
    60. 

  60. // CHECK:STDOUT: imports {
    61. 

  61. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
    62. 

  62. // CHECK:STDOUT:     .Int = %Core.Int
    63. 

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

  64. // CHECK:STDOUT:     import Core//prelude
    65. 

  65. // CHECK:STDOUT:     import Core//prelude/...
    66. 

  66. // CHECK:STDOUT:   }
    67. 

  67. // CHECK:STDOUT:   %Core.Int: %Int.type = import_ref Core//prelude/types/int, Int, loaded [concrete = constants.%Int.generic]
    68. 

  68. // CHECK:STDOUT:   %Core.ImplicitAs: %ImplicitAs.type.cc7 = import_ref Core//prelude/operators/as, ImplicitAs, loaded [concrete = constants.%ImplicitAs.generic]
    69. 

  69. // CHECK:STDOUT:   %Core.import_ref.a5b: @impl.4f9.%Convert.type (%Convert.type.0f9) = import_ref Core//prelude/types/int, loc19_39, loaded [symbolic = @impl.4f9.%Convert (constants.%Convert.f06)]
    70. 

  70. // CHECK:STDOUT:   %ImplicitAs.impl_witness_table.a2f = impl_witness_table (%Core.import_ref.a5b), @impl.4f9 [concrete]
    71. 

  71. // CHECK:STDOUT: }
    72. 

  72. // CHECK:STDOUT:
    73. 

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

  74. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    75. 

  75. // CHECK:STDOUT:     .Core = imports.%Core
    76. 

  76. // CHECK:STDOUT:     .a = %a
    77. 

  77. // CHECK:STDOUT:     .b = %b
    78. 

  78. // CHECK:STDOUT:     .c = %c
    79. 

  79. // CHECK:STDOUT:     .d = %d
    80. 

  80. // CHECK:STDOUT:   }
    81. 

  81. // CHECK:STDOUT:   %Core.import = import Core
    82. 

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

  83. // CHECK:STDOUT:     %a.patt: %pattern_type.ae7 = binding_pattern a [concrete]
    84. 

  84. // CHECK:STDOUT:     %.loc11_1: %pattern_type.ae7 = var_pattern %a.patt [concrete]
    85. 

  85. // CHECK:STDOUT:   }
    86. 

  86. // CHECK:STDOUT:   %a.var: ref %array_type = var a
    87. 

  87. // CHECK:STDOUT:   %.loc11_20: type = splice_block %array_type [concrete = constants.%array_type] {
    88. 

  88. // CHECK:STDOUT:     %int_32.loc11: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    89. 

  89. // CHECK:STDOUT:     %i32.loc11: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    90. 

  90. // CHECK:STDOUT:     %int_2: Core.IntLiteral = int_value 2 [concrete = constants.%int_2]
    91. 

  91. // CHECK:STDOUT:     %array_type: type = array_type %int_2, %i32.loc11 [concrete = constants.%array_type]
    92. 

  92. // CHECK:STDOUT:   }
    93. 

  93. // CHECK:STDOUT:   %a: ref %array_type = bind_name a, %a.var
    94. 

  94. // CHECK:STDOUT:   name_binding_decl {
    95. 

  95. // CHECK:STDOUT:     %b.patt: %pattern_type.7ce = binding_pattern b [concrete]
    96. 

  96. // CHECK:STDOUT:     %.loc12_1: %pattern_type.7ce = var_pattern %b.patt [concrete]
    97. 

  97. // CHECK:STDOUT:   }
    98. 

  98. // CHECK:STDOUT:   %b.var: ref %i32 = var b
    99. 

  99. // CHECK:STDOUT:   %.loc12_8: type = splice_block %i32.loc12 [concrete = constants.%i32] {
    100. 

  100. // CHECK:STDOUT:     %int_32.loc12: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    101. 

  101. // CHECK:STDOUT:     %i32.loc12: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    102. 

  102. // CHECK:STDOUT:   }
    103. 

  103. // CHECK:STDOUT:   %b: ref %i32 = bind_name b, %b.var
    104. 

  104. // CHECK:STDOUT:   name_binding_decl {
    105. 

  105. // CHECK:STDOUT:     %c.patt: %pattern_type.7ce = binding_pattern c [concrete]
    106. 

  106. // CHECK:STDOUT:     %.loc13_1: %pattern_type.7ce = var_pattern %c.patt [concrete]
    107. 

  107. // CHECK:STDOUT:   }
    108. 

  108. // CHECK:STDOUT:   %c.var: ref %i32 = var c
    109. 

  109. // CHECK:STDOUT:   %.loc13_8: type = splice_block %i32.loc13 [concrete = constants.%i32] {
    110. 

  110. // CHECK:STDOUT:     %int_32.loc13: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    111. 

  111. // CHECK:STDOUT:     %i32.loc13: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    112. 

  112. // CHECK:STDOUT:   }
    113. 

  113. // CHECK:STDOUT:   %c: ref %i32 = bind_name c, %c.var
    114. 

  114. // CHECK:STDOUT:   name_binding_decl {
    115. 

  115. // CHECK:STDOUT:     %d.patt: %pattern_type.7ce = binding_pattern d [concrete]
    116. 

  116. // CHECK:STDOUT:     %.loc14_1: %pattern_type.7ce = var_pattern %d.patt [concrete]
    117. 

  117. // CHECK:STDOUT:   }
    118. 

  118. // CHECK:STDOUT:   %d.var: ref %i32 = var d
    119. 

  119. // CHECK:STDOUT:   %.loc14_8: type = splice_block %i32.loc14 [concrete = constants.%i32] {
    120. 

  120. // CHECK:STDOUT:     %int_32.loc14: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    121. 

  121. // CHECK:STDOUT:     %i32.loc14: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    122. 

  122. // CHECK:STDOUT:   }
    123. 

  123. // CHECK:STDOUT:   %d: ref %i32 = bind_name d, %d.var
    124. 

  124. // CHECK:STDOUT: }
    125. 

  125. // CHECK:STDOUT:
    126. 

  126. // CHECK:STDOUT: fn @__global_init() {
    127. 

  127. // CHECK:STDOUT: !entry:
    128. 

  128. // CHECK:STDOUT:   %int_12: Core.IntLiteral = int_value 12 [concrete = constants.%int_12.6a3]
    129. 

  129. // CHECK:STDOUT:   %int_24: Core.IntLiteral = int_value 24 [concrete = constants.%int_24.e3c]
    130. 

  130. // CHECK:STDOUT:   %.loc11_31.1: %tuple.type = tuple_literal (%int_12, %int_24)
    131. 

  131. // CHECK:STDOUT:   %impl.elem0.loc11_31.1: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
    132. 

  132. // CHECK:STDOUT:   %bound_method.loc11_31.1: <bound method> = bound_method %int_12, %impl.elem0.loc11_31.1 [concrete = constants.%Convert.bound.221]
    133. 

  133. // CHECK:STDOUT:   %specific_fn.loc11_31.1: <specific function> = specific_function %impl.elem0.loc11_31.1, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
    134. 

  134. // CHECK:STDOUT:   %bound_method.loc11_31.2: <bound method> = bound_method %int_12, %specific_fn.loc11_31.1 [concrete = constants.%bound_method.dae]
    135. 

  135. // CHECK:STDOUT:   %int.convert_checked.loc11_31.1: init %i32 = call %bound_method.loc11_31.2(%int_12) [concrete = constants.%int_12.1e1]
    136. 

  136. // CHECK:STDOUT:   %.loc11_31.2: init %i32 = converted %int_12, %int.convert_checked.loc11_31.1 [concrete = constants.%int_12.1e1]
    137. 

  137. // CHECK:STDOUT:   %int_0.loc11: Core.IntLiteral = int_value 0 [concrete = constants.%int_0.5c6]
    138. 

  138. // CHECK:STDOUT:   %.loc11_31.3: ref %i32 = array_index file.%a.var, %int_0.loc11
    139. 

  139. // CHECK:STDOUT:   %.loc11_31.4: init %i32 = initialize_from %.loc11_31.2 to %.loc11_31.3 [concrete = constants.%int_12.1e1]
    140. 

  140. // CHECK:STDOUT:   %impl.elem0.loc11_31.2: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
    141. 

  141. // CHECK:STDOUT:   %bound_method.loc11_31.3: <bound method> = bound_method %int_24, %impl.elem0.loc11_31.2 [concrete = constants.%Convert.bound.ef4]
    142. 

  142. // CHECK:STDOUT:   %specific_fn.loc11_31.2: <specific function> = specific_function %impl.elem0.loc11_31.2, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
    143. 

  143. // CHECK:STDOUT:   %bound_method.loc11_31.4: <bound method> = bound_method %int_24, %specific_fn.loc11_31.2 [concrete = constants.%bound_method.477]
    144. 

  144. // CHECK:STDOUT:   %int.convert_checked.loc11_31.2: init %i32 = call %bound_method.loc11_31.4(%int_24) [concrete = constants.%int_24.365]
    145. 

  145. // CHECK:STDOUT:   %.loc11_31.5: init %i32 = converted %int_24, %int.convert_checked.loc11_31.2 [concrete = constants.%int_24.365]
    146. 

  146. // CHECK:STDOUT:   %int_1.loc11: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
    147. 

  147. // CHECK:STDOUT:   %.loc11_31.6: ref %i32 = array_index file.%a.var, %int_1.loc11
    148. 

  148. // CHECK:STDOUT:   %.loc11_31.7: init %i32 = initialize_from %.loc11_31.5 to %.loc11_31.6 [concrete = constants.%int_24.365]
    149. 

  149. // CHECK:STDOUT:   %.loc11_31.8: init %array_type = array_init (%.loc11_31.4, %.loc11_31.7) to file.%a.var [concrete = constants.%array]
    150. 

  150. // CHECK:STDOUT:   %.loc11_1: init %array_type = converted %.loc11_31.1, %.loc11_31.8 [concrete = constants.%array]
    151. 

  151. // CHECK:STDOUT:   assign file.%a.var, %.loc11_1
    152. 

  152. // CHECK:STDOUT:   %int_1.loc12: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
    153. 

  153. // CHECK:STDOUT:   %impl.elem0.loc12: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
    154. 

  154. // CHECK:STDOUT:   %bound_method.loc12_1.1: <bound method> = bound_method %int_1.loc12, %impl.elem0.loc12 [concrete = constants.%Convert.bound.ab5]
    155. 

  155. // CHECK:STDOUT:   %specific_fn.loc12: <specific function> = specific_function %impl.elem0.loc12, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
    156. 

  156. // CHECK:STDOUT:   %bound_method.loc12_1.2: <bound method> = bound_method %int_1.loc12, %specific_fn.loc12 [concrete = constants.%bound_method.9a1]
    157. 

  157. // CHECK:STDOUT:   %int.convert_checked.loc12: init %i32 = call %bound_method.loc12_1.2(%int_1.loc12) [concrete = constants.%int_1.5d2]
    158. 

  158. // CHECK:STDOUT:   %.loc12: init %i32 = converted %int_1.loc12, %int.convert_checked.loc12 [concrete = constants.%int_1.5d2]
    159. 

  159. // CHECK:STDOUT:   assign file.%b.var, %.loc12
    160. 

  160. // CHECK:STDOUT:   %a.ref.loc13: ref %array_type = name_ref a, file.%a
    161. 

  161. // CHECK:STDOUT:   %int_0.loc13: Core.IntLiteral = int_value 0 [concrete = constants.%int_0.5c6]
    162. 

  162. // CHECK:STDOUT:   %int_32.loc13: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    163. 

  163. // CHECK:STDOUT:   %i32.loc13: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    164. 

  164. // CHECK:STDOUT:   %impl.elem0.loc13: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Convert.956]
    165. 

  165. // CHECK:STDOUT:   %bound_method.loc13_16.1: <bound method> = bound_method %int_0.loc13, %impl.elem0.loc13 [concrete = constants.%Convert.bound.d04]
    166. 

  166. // CHECK:STDOUT:   %specific_fn.loc13: <specific function> = specific_function %impl.elem0.loc13, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
    167. 

  167. // CHECK:STDOUT:   %bound_method.loc13_16.2: <bound method> = bound_method %int_0.loc13, %specific_fn.loc13 [concrete = constants.%bound_method.b6e]
    168. 

  168. // CHECK:STDOUT:   %int.convert_checked.loc13: init %i32 = call %bound_method.loc13_16.2(%int_0.loc13) [concrete = constants.%int_0.6a9]
    169. 

  169. // CHECK:STDOUT:   %.loc13_16.1: %i32 = value_of_initializer %int.convert_checked.loc13 [concrete = constants.%int_0.6a9]
    170. 

  170. // CHECK:STDOUT:   %.loc13_16.2: %i32 = converted %int_0.loc13, %.loc13_16.1 [concrete = constants.%int_0.6a9]
    171. 

  171. // CHECK:STDOUT:   %.loc13_17.1: ref %i32 = array_index %a.ref.loc13, %.loc13_16.2
    172. 

  172. // CHECK:STDOUT:   %.loc13_17.2: %i32 = bind_value %.loc13_17.1
    173. 

  173. // CHECK:STDOUT:   assign file.%c.var, %.loc13_17.2
    174. 

  174. // CHECK:STDOUT:   %a.ref.loc14: ref %array_type = name_ref a, file.%a
    175. 

  175. // CHECK:STDOUT:   %b.ref: ref %i32 = name_ref b, file.%b
    176. 

  176. // CHECK:STDOUT:   %int_32.loc14: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
    177. 

  177. // CHECK:STDOUT:   %i32.loc14: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
    178. 

  178. // CHECK:STDOUT:   %.loc14_16: %i32 = bind_value %b.ref
    179. 

  179. // CHECK:STDOUT:   %.loc14_17.1: ref %i32 = array_index %a.ref.loc14, %.loc14_16
    180. 

  180. // CHECK:STDOUT:   %.loc14_17.2: %i32 = bind_value %.loc14_17.1
    181. 

  181. // CHECK:STDOUT:   assign file.%d.var, %.loc14_17.2
    182. 

  182. // CHECK:STDOUT:   return
    183. 

  183. // CHECK:STDOUT: }
    184. 

  184. // CHECK:STDOUT:
    185.