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expr_category.carbon

expr_category.carbon 12 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/expr_category.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/expr_category.carbon
    10. 

  10. 

  11. fn F() -> [i32; 3];
    12. 

  12. 

  13. fn G(b: [i32; 3]) {
    14. 

  14.   var a: [i32; 3] = (1, 2, 3);
    15. 

  15. 

  16.   // Indexing a durable array reference gives a durable reference.
    17. 

  17.   var pa: i32* = &a[0];
    18. 

  18.   a[0] = 4;
    19. 

  19. }
    20. 

  20. 

  21. fn ValueBinding(b: [i32; 3]) {
    22. 

  22.   var a: [i32; 3] = (1, 2, 3);
    23. 

  23. 

  24.   // Index but don't do anything else so we can check that a value binding is
    25. 

  25.   // produced when appropriate.
    26. 

  26.   a[0];
    27. 

  27.   b[0];
    28. 

  28.   F()[0];
    29. 

  29. }
    30. 

  30. 

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

  32. // CHECK:STDOUT:
    33. 

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

  34. // CHECK:STDOUT:   %Int32.type: type = fn_type @Int32 [template]
    35. 

  35. // CHECK:STDOUT:   %.1: type = tuple_type () [template]
    36. 

  36. // CHECK:STDOUT:   %Int32: %Int32.type = struct_value () [template]
    37. 

  37. // CHECK:STDOUT:   %.2: i32 = int_literal 3 [template]
    38. 

  38. // CHECK:STDOUT:   %.3: type = array_type %.2, i32 [template]
    39. 

  39. // CHECK:STDOUT:   %F.type: type = fn_type @F [template]
    40. 

  40. // CHECK:STDOUT:   %F: %F.type = struct_value () [template]
    41. 

  41. // CHECK:STDOUT:   %G.type: type = fn_type @G [template]
    42. 

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

  43. // CHECK:STDOUT:   %.4: type = ptr_type %.3 [template]
    44. 

  44. // CHECK:STDOUT:   %.5: i32 = int_literal 1 [template]
    45. 

  45. // CHECK:STDOUT:   %.6: i32 = int_literal 2 [template]
    46. 

  46. // CHECK:STDOUT:   %.7: type = tuple_type (i32, i32, i32) [template]
    47. 

  47. // CHECK:STDOUT:   %.8: i32 = int_literal 0 [template]
    48. 

  48. // CHECK:STDOUT:   %array: %.3 = tuple_value (%.5, %.6, %.2) [template]
    49. 

  49. // CHECK:STDOUT:   %.9: type = ptr_type i32 [template]
    50. 

  50. // CHECK:STDOUT:   %.10: i32 = int_literal 4 [template]
    51. 

  51. // CHECK:STDOUT:   %ValueBinding.type: type = fn_type @ValueBinding [template]
    52. 

  52. // CHECK:STDOUT:   %ValueBinding: %ValueBinding.type = struct_value () [template]
    53. 

  53. // CHECK:STDOUT: }
    54. 

  54. // CHECK:STDOUT:
    55. 

  55. // CHECK:STDOUT: imports {
    56. 

  56. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
    57. 

  57. // CHECK:STDOUT:     .Int32 = %import_ref
    58. 

  58. // CHECK:STDOUT:     import Core//prelude
    59. 

  59. // CHECK:STDOUT:     import Core//prelude/operators
    60. 

  60. // CHECK:STDOUT:     import Core//prelude/types
    61. 

  61. // CHECK:STDOUT:     import Core//prelude/operators/arithmetic
    62. 

  62. // CHECK:STDOUT:     import Core//prelude/operators/as
    63. 

  63. // CHECK:STDOUT:     import Core//prelude/operators/bitwise
    64. 

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

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

  66. // CHECK:STDOUT:   }
    67. 

  67. // CHECK:STDOUT:   %import_ref: %Int32.type = import_ref Core//prelude/types, inst+4, loaded [template = constants.%Int32]
    68. 

  68. // CHECK:STDOUT: }
    69. 

  69. // CHECK:STDOUT:
    70. 

  70. // CHECK:STDOUT: file {
    71. 

  71. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    72. 

  72. // CHECK:STDOUT:     .Core = imports.%Core
    73. 

  73. // CHECK:STDOUT:     .F = %F.decl
    74. 

  74. // CHECK:STDOUT:     .G = %G.decl
    75. 

  75. // CHECK:STDOUT:     .ValueBinding = %ValueBinding.decl
    76. 

  76. // CHECK:STDOUT:   }
    77. 

  77. // CHECK:STDOUT:   %Core.import = import Core
    78. 

  78. // CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [template = constants.%F] {} {
    79. 

  79. // CHECK:STDOUT:     %int.make_type_32: init type = call constants.%Int32() [template = i32]
    80. 

  80. // CHECK:STDOUT:     %.loc11_17: i32 = int_literal 3 [template = constants.%.2]
    81. 

  81. // CHECK:STDOUT:     %.loc11_12.1: type = value_of_initializer %int.make_type_32 [template = i32]
    82. 

  82. // CHECK:STDOUT:     %.loc11_12.2: type = converted %int.make_type_32, %.loc11_12.1 [template = i32]
    83. 

  83. // CHECK:STDOUT:     %.loc11_18: type = array_type %.loc11_17, i32 [template = constants.%.3]
    84. 

  84. // CHECK:STDOUT:     %return: ref %.3 = var <return slot>
    85. 

  85. // CHECK:STDOUT:   }
    86. 

  86. // CHECK:STDOUT:   %G.decl: %G.type = fn_decl @G [template = constants.%G] {
    87. 

  87. // CHECK:STDOUT:     %b.patt: %.3 = binding_pattern b
    88. 

  88. // CHECK:STDOUT:   } {
    89. 

  89. // CHECK:STDOUT:     %int.make_type_32.loc13: init type = call constants.%Int32() [template = i32]
    90. 

  90. // CHECK:STDOUT:     %.loc13_15: i32 = int_literal 3 [template = constants.%.2]
    91. 

  91. // CHECK:STDOUT:     %.loc13_10.1: type = value_of_initializer %int.make_type_32.loc13 [template = i32]
    92. 

  92. // CHECK:STDOUT:     %.loc13_10.2: type = converted %int.make_type_32.loc13, %.loc13_10.1 [template = i32]
    93. 

  93. // CHECK:STDOUT:     %.loc13_16: type = array_type %.loc13_15, i32 [template = constants.%.3]
    94. 

  94. // CHECK:STDOUT:     %b.param: %.3 = param b, runtime_param0
    95. 

  95. // CHECK:STDOUT:     %b: %.3 = bind_name b, %b.param
    96. 

  96. // CHECK:STDOUT:   }
    97. 

  97. // CHECK:STDOUT:   %ValueBinding.decl: %ValueBinding.type = fn_decl @ValueBinding [template = constants.%ValueBinding] {
    98. 

  98. // CHECK:STDOUT:     %b.patt: %.3 = binding_pattern b
    99. 

  99. // CHECK:STDOUT:   } {
    100. 

  100. // CHECK:STDOUT:     %int.make_type_32.loc21: init type = call constants.%Int32() [template = i32]
    101. 

  101. // CHECK:STDOUT:     %.loc21_26: i32 = int_literal 3 [template = constants.%.2]
    102. 

  102. // CHECK:STDOUT:     %.loc21_21.1: type = value_of_initializer %int.make_type_32.loc21 [template = i32]
    103. 

  103. // CHECK:STDOUT:     %.loc21_21.2: type = converted %int.make_type_32.loc21, %.loc21_21.1 [template = i32]
    104. 

  104. // CHECK:STDOUT:     %.loc21_27: type = array_type %.loc21_26, i32 [template = constants.%.3]
    105. 

  105. // CHECK:STDOUT:     %b.param: %.3 = param b, runtime_param0
    106. 

  106. // CHECK:STDOUT:     %b: %.3 = bind_name b, %b.param
    107. 

  107. // CHECK:STDOUT:   }
    108. 

  108. // CHECK:STDOUT: }
    109. 

  109. // CHECK:STDOUT:
    110. 

  110. // CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
    111. 

  111. // CHECK:STDOUT:
    112. 

  112. // CHECK:STDOUT: fn @F() -> %.3;
    113. 

  113. // CHECK:STDOUT:
    114. 

  114. // CHECK:STDOUT: fn @G(%b: %.3) {
    115. 

  115. // CHECK:STDOUT: !entry:
    116. 

  116. // CHECK:STDOUT:   %int.make_type_32.loc14: init type = call constants.%Int32() [template = i32]
    117. 

  117. // CHECK:STDOUT:   %.loc14_16: i32 = int_literal 3 [template = constants.%.2]
    118. 

  118. // CHECK:STDOUT:   %.loc14_11.1: type = value_of_initializer %int.make_type_32.loc14 [template = i32]
    119. 

  119. // CHECK:STDOUT:   %.loc14_11.2: type = converted %int.make_type_32.loc14, %.loc14_11.1 [template = i32]
    120. 

  120. // CHECK:STDOUT:   %.loc14_17: type = array_type %.loc14_16, i32 [template = constants.%.3]
    121. 

  121. // CHECK:STDOUT:   %a.var: ref %.3 = var a
    122. 

  122. // CHECK:STDOUT:   %a: ref %.3 = bind_name a, %a.var
    123. 

  123. // CHECK:STDOUT:   %.loc14_22: i32 = int_literal 1 [template = constants.%.5]
    124. 

  124. // CHECK:STDOUT:   %.loc14_25: i32 = int_literal 2 [template = constants.%.6]
    125. 

  125. // CHECK:STDOUT:   %.loc14_28: i32 = int_literal 3 [template = constants.%.2]
    126. 

  126. // CHECK:STDOUT:   %.loc14_29.1: %.7 = tuple_literal (%.loc14_22, %.loc14_25, %.loc14_28)
    127. 

  127. // CHECK:STDOUT:   %.loc14_29.2: i32 = int_literal 0 [template = constants.%.8]
    128. 

  128. // CHECK:STDOUT:   %.loc14_29.3: ref i32 = array_index %a.var, %.loc14_29.2
    129. 

  129. // CHECK:STDOUT:   %.loc14_29.4: init i32 = initialize_from %.loc14_22 to %.loc14_29.3 [template = constants.%.5]
    130. 

  130. // CHECK:STDOUT:   %.loc14_29.5: i32 = int_literal 1 [template = constants.%.5]
    131. 

  131. // CHECK:STDOUT:   %.loc14_29.6: ref i32 = array_index %a.var, %.loc14_29.5
    132. 

  132. // CHECK:STDOUT:   %.loc14_29.7: init i32 = initialize_from %.loc14_25 to %.loc14_29.6 [template = constants.%.6]
    133. 

  133. // CHECK:STDOUT:   %.loc14_29.8: i32 = int_literal 2 [template = constants.%.6]
    134. 

  134. // CHECK:STDOUT:   %.loc14_29.9: ref i32 = array_index %a.var, %.loc14_29.8
    135. 

  135. // CHECK:STDOUT:   %.loc14_29.10: init i32 = initialize_from %.loc14_28 to %.loc14_29.9 [template = constants.%.2]
    136. 

  136. // CHECK:STDOUT:   %.loc14_29.11: init %.3 = array_init (%.loc14_29.4, %.loc14_29.7, %.loc14_29.10) to %a.var [template = constants.%array]
    137. 

  137. // CHECK:STDOUT:   %.loc14_30: init %.3 = converted %.loc14_29.1, %.loc14_29.11 [template = constants.%array]
    138. 

  138. // CHECK:STDOUT:   assign %a.var, %.loc14_30
    139. 

  139. // CHECK:STDOUT:   %int.make_type_32.loc17: init type = call constants.%Int32() [template = i32]
    140. 

  140. // CHECK:STDOUT:   %.loc17_14.1: type = value_of_initializer %int.make_type_32.loc17 [template = i32]
    141. 

  141. // CHECK:STDOUT:   %.loc17_14.2: type = converted %int.make_type_32.loc17, %.loc17_14.1 [template = i32]
    142. 

  142. // CHECK:STDOUT:   %.loc17_14.3: type = ptr_type i32 [template = constants.%.9]
    143. 

  143. // CHECK:STDOUT:   %pa.var: ref %.9 = var pa
    144. 

  144. // CHECK:STDOUT:   %pa: ref %.9 = bind_name pa, %pa.var
    145. 

  145. // CHECK:STDOUT:   %a.ref.loc17: ref %.3 = name_ref a, %a
    146. 

  146. // CHECK:STDOUT:   %.loc17_21: i32 = int_literal 0 [template = constants.%.8]
    147. 

  147. // CHECK:STDOUT:   %.loc17_22: ref i32 = array_index %a.ref.loc17, %.loc17_21
    148. 

  148. // CHECK:STDOUT:   %.loc17_18: %.9 = addr_of %.loc17_22
    149. 

  149. // CHECK:STDOUT:   assign %pa.var, %.loc17_18
    150. 

  150. // CHECK:STDOUT:   %a.ref.loc18: ref %.3 = name_ref a, %a
    151. 

  151. // CHECK:STDOUT:   %.loc18_5: i32 = int_literal 0 [template = constants.%.8]
    152. 

  152. // CHECK:STDOUT:   %.loc18_6: ref i32 = array_index %a.ref.loc18, %.loc18_5
    153. 

  153. // CHECK:STDOUT:   %.loc18_10: i32 = int_literal 4 [template = constants.%.10]
    154. 

  154. // CHECK:STDOUT:   assign %.loc18_6, %.loc18_10
    155. 

  155. // CHECK:STDOUT:   return
    156. 

  156. // CHECK:STDOUT: }
    157. 

  157. // CHECK:STDOUT:
    158. 

  158. // CHECK:STDOUT: fn @ValueBinding(%b: %.3) {
    159. 

  159. // CHECK:STDOUT: !entry:
    160. 

  160. // CHECK:STDOUT:   %int.make_type_32.loc22: init type = call constants.%Int32() [template = i32]
    161. 

  161. // CHECK:STDOUT:   %.loc22_16: i32 = int_literal 3 [template = constants.%.2]
    162. 

  162. // CHECK:STDOUT:   %.loc22_11.1: type = value_of_initializer %int.make_type_32.loc22 [template = i32]
    163. 

  163. // CHECK:STDOUT:   %.loc22_11.2: type = converted %int.make_type_32.loc22, %.loc22_11.1 [template = i32]
    164. 

  164. // CHECK:STDOUT:   %.loc22_17: type = array_type %.loc22_16, i32 [template = constants.%.3]
    165. 

  165. // CHECK:STDOUT:   %a.var: ref %.3 = var a
    166. 

  166. // CHECK:STDOUT:   %a: ref %.3 = bind_name a, %a.var
    167. 

  167. // CHECK:STDOUT:   %.loc22_22: i32 = int_literal 1 [template = constants.%.5]
    168. 

  168. // CHECK:STDOUT:   %.loc22_25: i32 = int_literal 2 [template = constants.%.6]
    169. 

  169. // CHECK:STDOUT:   %.loc22_28: i32 = int_literal 3 [template = constants.%.2]
    170. 

  170. // CHECK:STDOUT:   %.loc22_29.1: %.7 = tuple_literal (%.loc22_22, %.loc22_25, %.loc22_28)
    171. 

  171. // CHECK:STDOUT:   %.loc22_29.2: i32 = int_literal 0 [template = constants.%.8]
    172. 

  172. // CHECK:STDOUT:   %.loc22_29.3: ref i32 = array_index %a.var, %.loc22_29.2
    173. 

  173. // CHECK:STDOUT:   %.loc22_29.4: init i32 = initialize_from %.loc22_22 to %.loc22_29.3 [template = constants.%.5]
    174. 

  174. // CHECK:STDOUT:   %.loc22_29.5: i32 = int_literal 1 [template = constants.%.5]
    175. 

  175. // CHECK:STDOUT:   %.loc22_29.6: ref i32 = array_index %a.var, %.loc22_29.5
    176. 

  176. // CHECK:STDOUT:   %.loc22_29.7: init i32 = initialize_from %.loc22_25 to %.loc22_29.6 [template = constants.%.6]
    177. 

  177. // CHECK:STDOUT:   %.loc22_29.8: i32 = int_literal 2 [template = constants.%.6]
    178. 

  178. // CHECK:STDOUT:   %.loc22_29.9: ref i32 = array_index %a.var, %.loc22_29.8
    179. 

  179. // CHECK:STDOUT:   %.loc22_29.10: init i32 = initialize_from %.loc22_28 to %.loc22_29.9 [template = constants.%.2]
    180. 

  180. // CHECK:STDOUT:   %.loc22_29.11: init %.3 = array_init (%.loc22_29.4, %.loc22_29.7, %.loc22_29.10) to %a.var [template = constants.%array]
    181. 

  181. // CHECK:STDOUT:   %.loc22_30: init %.3 = converted %.loc22_29.1, %.loc22_29.11 [template = constants.%array]
    182. 

  182. // CHECK:STDOUT:   assign %a.var, %.loc22_30
    183. 

  183. // CHECK:STDOUT:   %a.ref: ref %.3 = name_ref a, %a
    184. 

  184. // CHECK:STDOUT:   %.loc26_5: i32 = int_literal 0 [template = constants.%.8]
    185. 

  185. // CHECK:STDOUT:   %.loc26_6: ref i32 = array_index %a.ref, %.loc26_5
    186. 

  186. // CHECK:STDOUT:   %b.ref: %.3 = name_ref b, %b
    187. 

  187. // CHECK:STDOUT:   %.loc27_5: i32 = int_literal 0 [template = constants.%.8]
    188. 

  188. // CHECK:STDOUT:   %.loc27_6.1: ref %.3 = value_as_ref %b.ref
    189. 

  189. // CHECK:STDOUT:   %.loc27_6.2: ref i32 = array_index %.loc27_6.1, %.loc27_5
    190. 

  190. // CHECK:STDOUT:   %.loc27_6.3: i32 = bind_value %.loc27_6.2
    191. 

  191. // CHECK:STDOUT:   %F.ref: %F.type = name_ref F, file.%F.decl [template = constants.%F]
    192. 

  192. // CHECK:STDOUT:   %.loc28_4.1: ref %.3 = temporary_storage
    193. 

  193. // CHECK:STDOUT:   %F.call: init %.3 = call %F.ref() to %.loc28_4.1
    194. 

  194. // CHECK:STDOUT:   %.loc28_7: i32 = int_literal 0 [template = constants.%.8]
    195. 

  195. // CHECK:STDOUT:   %.loc28_4.2: ref %.3 = temporary %.loc28_4.1, %F.call
    196. 

  196. // CHECK:STDOUT:   %.loc28_8.1: ref i32 = array_index %.loc28_4.2, %.loc28_7
    197. 

  197. // CHECK:STDOUT:   %.loc28_8.2: i32 = bind_value %.loc28_8.1
    198. 

  198. // CHECK:STDOUT:   return
    199. 

  199. // CHECK:STDOUT: }
    200. 

  200. // CHECK:STDOUT:
    201.