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where_expr
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dot_self_index.carbon

dot_self_index.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. // INCLUDE-FILE: toolchain/testing/testdata/min_prelude/primitives.carbon
    6. 

  6. //
    7. 

  7. // AUTOUPDATE
    8. 

  8. // TIP: To test this file alone, run:
    9. 

  9. // TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/where_expr/dot_self_index.carbon
    10. 

  10. // TIP: To dump output, run:
    11. 

  11. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/where_expr/dot_self_index.carbon
    12. 

  12. 

  13. interface Empty(W:! type) {
    14. 

  14.   let A:! type;
    15. 

  15. }
    16. 

  16. 

  17. // T has index 0
    18. 

  18. // .Self has index invalid, not 1
    19. 

  19. // V has index 1, does not match .Self
    20. 

  20. //@dump-sem-ir-begin
    21. 

  21. fn H(T:! type, U: Empty(T) where .A = T*, V:! type) {}
    22. 

  22. //@dump-sem-ir-end
    23. 

  23. 

  24. fn G(U: Empty(i32) where .A = i32*) {
    25. 

  25.   H(i32, U, bool);
    26. 

  26. }
    27. 

  27. 

  28. // CHECK:STDOUT: --- dot_self_index.carbon
    29. 

  29. // CHECK:STDOUT:
    30. 

  30. // CHECK:STDOUT: constants {
    31. 

  31. // CHECK:STDOUT:   %pattern_type.98f: type = pattern_type type [concrete]
    32. 

  32. // CHECK:STDOUT:   %Empty.type.d5a: type = generic_interface_type @Empty [concrete]
    33. 

  33. // CHECK:STDOUT:   %Empty.generic: %Empty.type.d5a = struct_value () [concrete]
    34. 

  34. // CHECK:STDOUT:   %T: type = symbolic_binding T, 0 [symbolic]
    35. 

  35. // CHECK:STDOUT:   %Empty.type.955bd1.2: type = facet_type <@Empty, @Empty(%T)> [symbolic]
    36. 

  36. // CHECK:STDOUT:   %.Self.c81: %Empty.type.955bd1.2 = symbolic_binding .Self [symbolic]
    37. 

  37. // CHECK:STDOUT:   %Empty.assoc_type.21b333.2: type = assoc_entity_type @Empty, @Empty(%T) [symbolic]
    38. 

  38. // CHECK:STDOUT:   %assoc0.75ca1d.2: %Empty.assoc_type.21b333.2 = assoc_entity element0, @Empty.%A [symbolic]
    39. 

  39. // CHECK:STDOUT:   %require_complete.477: <witness> = require_complete_type %Empty.type.955bd1.2 [symbolic]
    40. 

  40. // CHECK:STDOUT:   %.Self.binding.as_type.b59: type = symbolic_binding_type .Self, %.Self.c81 [symbolic]
    41. 

  41. // CHECK:STDOUT:   %Empty.lookup_impl_witness.2d7: <witness> = lookup_impl_witness %.Self.c81, @Empty, @Empty(%T) [symbolic]
    42. 

  42. // CHECK:STDOUT:   %impl.elem0.935: type = impl_witness_access %Empty.lookup_impl_witness.2d7, element0 [symbolic]
    43. 

  43. // CHECK:STDOUT:   %ptr.4f0: type = ptr_type %T [symbolic]
    44. 

  44. // CHECK:STDOUT:   %Empty_where.type.4fc: type = facet_type <@Empty, @Empty(%T) where %impl.elem0.935 = %ptr.4f0> [symbolic]
    45. 

  45. // CHECK:STDOUT:   %pattern_type.665: type = pattern_type %Empty_where.type.4fc [symbolic]
    46. 

  46. // CHECK:STDOUT:   %V: type = symbolic_binding V, 1 [symbolic]
    47. 

  47. // CHECK:STDOUT:   %H.type: type = fn_type @H [concrete]
    48. 

  48. // CHECK:STDOUT:   %H: %H.type = struct_value () [concrete]
    49. 

  49. // CHECK:STDOUT:   %require_complete.6e2: <witness> = require_complete_type %Empty_where.type.4fc [symbolic]
    50. 

  50. // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
    51. 

  51. // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
    52. 

  52. // CHECK:STDOUT:   %Empty.type.d26: type = facet_type <@Empty, @Empty(%i32)> [concrete]
    53. 

  53. // CHECK:STDOUT:   %.Self.f6b: %Empty.type.d26 = symbolic_binding .Self [symbolic_self]
    54. 

  54. // CHECK:STDOUT:   %Empty.assoc_type.7c7: type = assoc_entity_type @Empty, @Empty(%i32) [concrete]
    55. 

  55. // CHECK:STDOUT:   %assoc0.758: %Empty.assoc_type.7c7 = assoc_entity element0, @Empty.%A [concrete]
    56. 

  56. // CHECK:STDOUT:   %.Self.binding.as_type.53d: type = symbolic_binding_type .Self, %.Self.f6b [symbolic_self]
    57. 

  57. // CHECK:STDOUT:   %Empty.lookup_impl_witness.e8a: <witness> = lookup_impl_witness %.Self.f6b, @Empty, @Empty(%i32) [symbolic_self]
    58. 

  58. // CHECK:STDOUT:   %impl.elem0.cf5: type = impl_witness_access %Empty.lookup_impl_witness.e8a, element0 [symbolic_self]
    59. 

  59. // CHECK:STDOUT:   %ptr.235: type = ptr_type %i32 [concrete]
    60. 

  60. // CHECK:STDOUT:   %Empty_where.type.1f2: type = facet_type <@Empty, @Empty(%i32) where %impl.elem0.cf5 = %ptr.235> [concrete]
    61. 

  61. // CHECK:STDOUT:   %pattern_type.be6: type = pattern_type %Empty_where.type.1f2 [concrete]
    62. 

  62. // CHECK:STDOUT:   %complete_type.5db: <witness> = complete_type_witness %Empty.type.d26 [concrete]
    63. 

  63. // CHECK:STDOUT:   %complete_type.9cc: <witness> = complete_type_witness %Empty_where.type.1f2 [concrete]
    64. 

  64. // CHECK:STDOUT: }
    65. 

  65. // CHECK:STDOUT:
    66. 

  66. // CHECK:STDOUT: imports {
    67. 

  67. // CHECK:STDOUT: }
    68. 

  68. // CHECK:STDOUT:
    69. 

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

  70. // CHECK:STDOUT:   %H.decl: %H.type = fn_decl @H [concrete = constants.%H] {
    71. 

  71. // CHECK:STDOUT:     %T.patt: %pattern_type.98f = symbolic_binding_pattern T, 0 [concrete]
    72. 

  72. // CHECK:STDOUT:     %U.patt: @H.%pattern_type (%pattern_type.665) = value_binding_pattern U [concrete]
    73. 

  73. // CHECK:STDOUT:     %U.param_patt: @H.%pattern_type (%pattern_type.665) = value_param_pattern %U.patt, call_param0 [concrete]
    74. 

  74. // CHECK:STDOUT:     %V.patt: %pattern_type.98f = symbolic_binding_pattern V, 1 [concrete]
    75. 

  75. // CHECK:STDOUT:   } {
    76. 

  76. // CHECK:STDOUT:     <elided>
    77. 

  77. // CHECK:STDOUT:     %T.loc21_6.2: type = symbolic_binding T, 0 [symbolic = %T.loc21_6.1 (constants.%T)]
    78. 

  78. // CHECK:STDOUT:     %U.param: @H.%Empty_where.type (%Empty_where.type.4fc) = value_param call_param0
    79. 

  79. // CHECK:STDOUT:     %.loc21_28.1: type = splice_block %.loc21_28.2 [symbolic = %Empty_where.type (constants.%Empty_where.type.4fc)] {
    80. 

  80. // CHECK:STDOUT:       %Empty.ref: %Empty.type.d5a = name_ref Empty, file.%Empty.decl [concrete = constants.%Empty.generic]
    81. 

  81. // CHECK:STDOUT:       %T.ref.loc21_25: type = name_ref T, %T.loc21_6.2 [symbolic = %T.loc21_6.1 (constants.%T)]
    82. 

  82. // CHECK:STDOUT:       %Empty.type.loc21_26.2: type = facet_type <@Empty, @Empty(constants.%T)> [symbolic = %Empty.type.loc21_26.1 (constants.%Empty.type.955bd1.2)]
    83. 

  83. // CHECK:STDOUT:       <elided>
    84. 

  84. // CHECK:STDOUT:       %.Self.ref: @H.%Empty.type.loc21_26.1 (%Empty.type.955bd1.2) = name_ref .Self, %.Self.4 [symbolic = %.Self.1 (constants.%.Self.c81)]
    85. 

  85. // CHECK:STDOUT:       %.loc21_34.1: @H.%Empty.assoc_type (%Empty.assoc_type.21b333.2) = specific_constant @A.%assoc0, @Empty(constants.%T) [symbolic = %assoc0 (constants.%assoc0.75ca1d.2)]
    86. 

  86. // CHECK:STDOUT:       %A.ref: @H.%Empty.assoc_type (%Empty.assoc_type.21b333.2) = name_ref A, %.loc21_34.1 [symbolic = %assoc0 (constants.%assoc0.75ca1d.2)]
    87. 

  87. // CHECK:STDOUT:       %.Self.as_type: type = facet_access_type %.Self.ref [symbolic = %.Self.binding.as_type (constants.%.Self.binding.as_type.b59)]
    88. 

  88. // CHECK:STDOUT:       %.loc21_34.2: type = converted %.Self.ref, %.Self.as_type [symbolic = %.Self.binding.as_type (constants.%.Self.binding.as_type.b59)]
    89. 

  89. // CHECK:STDOUT:       %impl.elem0.loc21_34.2: type = impl_witness_access constants.%Empty.lookup_impl_witness.2d7, element0 [symbolic = %impl.elem0.loc21_34.1 (constants.%impl.elem0.935)]
    90. 

  90. // CHECK:STDOUT:       %T.ref.loc21_39: type = name_ref T, %T.loc21_6.2 [symbolic = %T.loc21_6.1 (constants.%T)]
    91. 

  91. // CHECK:STDOUT:       %ptr.loc21_40.2: type = ptr_type %T.ref.loc21_39 [symbolic = %ptr.loc21_40.1 (constants.%ptr.4f0)]
    92. 

  92. // CHECK:STDOUT:       %.loc21_28.2: type = where_expr %.Self.4 [symbolic = %Empty_where.type (constants.%Empty_where.type.4fc)] {
    93. 

  93. // CHECK:STDOUT:         requirement_base_facet_type constants.%Empty.type.955bd1.2
    94. 

  94. // CHECK:STDOUT:         requirement_rewrite %impl.elem0.loc21_34.2, %ptr.loc21_40.2
    95. 

  95. // CHECK:STDOUT:       }
    96. 

  96. // CHECK:STDOUT:     }
    97. 

  97. // CHECK:STDOUT:     %U: @H.%Empty_where.type (%Empty_where.type.4fc) = value_binding U, %U.param
    98. 

  98. // CHECK:STDOUT:     <elided>
    99. 

  99. // CHECK:STDOUT:     %V.loc21_43.2: type = symbolic_binding V, 1 [symbolic = %V.loc21_43.1 (constants.%V)]
    100. 

  100. // CHECK:STDOUT:   }
    101. 

  101. // CHECK:STDOUT: }
    102. 

  102. // CHECK:STDOUT:
    103. 

  103. // CHECK:STDOUT: generic fn @H(%T.loc21_6.2: type, %V.loc21_43.2: type) {
    104. 

  104. // CHECK:STDOUT:   %T.loc21_6.1: type = symbolic_binding T, 0 [symbolic = %T.loc21_6.1 (constants.%T)]
    105. 

  105. // CHECK:STDOUT:   %Empty.type.loc21_26.1: type = facet_type <@Empty, @Empty(%T.loc21_6.1)> [symbolic = %Empty.type.loc21_26.1 (constants.%Empty.type.955bd1.2)]
    106. 

  106. // CHECK:STDOUT:   <elided>
    107. 

  107. // CHECK:STDOUT:   %require_complete.loc21_34: <witness> = require_complete_type %Empty.type.loc21_26.1 [symbolic = %require_complete.loc21_34 (constants.%require_complete.477)]
    108. 

  108. // CHECK:STDOUT:   %Empty.assoc_type: type = assoc_entity_type @Empty, @Empty(%T.loc21_6.1) [symbolic = %Empty.assoc_type (constants.%Empty.assoc_type.21b333.2)]
    109. 

  109. // CHECK:STDOUT:   %assoc0: @H.%Empty.assoc_type (%Empty.assoc_type.21b333.2) = assoc_entity element0, @Empty.%A [symbolic = %assoc0 (constants.%assoc0.75ca1d.2)]
    110. 

  110. // CHECK:STDOUT:   %.Self.binding.as_type: type = symbolic_binding_type .Self, %.Self.1 [symbolic = %.Self.binding.as_type (constants.%.Self.binding.as_type.b59)]
    111. 

  111. // CHECK:STDOUT:   %Empty.lookup_impl_witness: <witness> = lookup_impl_witness %.Self.1, @Empty, @Empty(%T.loc21_6.1) [symbolic = %Empty.lookup_impl_witness (constants.%Empty.lookup_impl_witness.2d7)]
    112. 

  112. // CHECK:STDOUT:   %impl.elem0.loc21_34.1: type = impl_witness_access %Empty.lookup_impl_witness, element0 [symbolic = %impl.elem0.loc21_34.1 (constants.%impl.elem0.935)]
    113. 

  113. // CHECK:STDOUT:   %ptr.loc21_40.1: type = ptr_type %T.loc21_6.1 [symbolic = %ptr.loc21_40.1 (constants.%ptr.4f0)]
    114. 

  114. // CHECK:STDOUT:   %Empty_where.type: type = facet_type <@Empty, @Empty(%T.loc21_6.1) where %impl.elem0.loc21_34.1 = %ptr.loc21_40.1> [symbolic = %Empty_where.type (constants.%Empty_where.type.4fc)]
    115. 

  115. // CHECK:STDOUT:   %pattern_type: type = pattern_type %Empty_where.type [symbolic = %pattern_type (constants.%pattern_type.665)]
    116. 

  116. // CHECK:STDOUT:   %V.loc21_43.1: type = symbolic_binding V, 1 [symbolic = %V.loc21_43.1 (constants.%V)]
    117. 

  117. // CHECK:STDOUT:
    118. 

  118. // CHECK:STDOUT: !definition:
    119. 

  119. // CHECK:STDOUT:   %require_complete.loc21_17: <witness> = require_complete_type %Empty_where.type [symbolic = %require_complete.loc21_17 (constants.%require_complete.6e2)]
    120. 

  120. // CHECK:STDOUT:
    121. 

  121. // CHECK:STDOUT:   fn(%U.param: @H.%Empty_where.type (%Empty_where.type.4fc)) {
    122. 

  122. // CHECK:STDOUT:   !entry:
    123. 

  123. // CHECK:STDOUT:     return
    124. 

  124. // CHECK:STDOUT:   }
    125. 

  125. // CHECK:STDOUT: }
    126. 

  126. // CHECK:STDOUT:
    127. 

  127. // CHECK:STDOUT: specific @H(constants.%T, constants.%V) {
    128. 

  128. // CHECK:STDOUT:   %T.loc21_6.1 => constants.%T
    129. 

  129. // CHECK:STDOUT:   %Empty.type.loc21_26.1 => constants.%Empty.type.955bd1.2
    130. 

  130. // CHECK:STDOUT:   %.Self.1 => constants.%.Self.c81
    131. 

  131. // CHECK:STDOUT:   %require_complete.loc21_34 => constants.%require_complete.477
    132. 

  132. // CHECK:STDOUT:   %Empty.assoc_type => constants.%Empty.assoc_type.21b333.2
    133. 

  133. // CHECK:STDOUT:   %assoc0 => constants.%assoc0.75ca1d.2
    134. 

  134. // CHECK:STDOUT:   %.Self.binding.as_type => constants.%.Self.binding.as_type.b59
    135. 

  135. // CHECK:STDOUT:   %Empty.lookup_impl_witness => constants.%Empty.lookup_impl_witness.2d7
    136. 

  136. // CHECK:STDOUT:   %impl.elem0.loc21_34.1 => constants.%impl.elem0.935
    137. 

  137. // CHECK:STDOUT:   %ptr.loc21_40.1 => constants.%ptr.4f0
    138. 

  138. // CHECK:STDOUT:   %Empty_where.type => constants.%Empty_where.type.4fc
    139. 

  139. // CHECK:STDOUT:   %pattern_type => constants.%pattern_type.665
    140. 

  140. // CHECK:STDOUT:   %V.loc21_43.1 => constants.%V
    141. 

  141. // CHECK:STDOUT: }
    142. 

  142. // CHECK:STDOUT:
    143. 

  143. // CHECK:STDOUT: specific @H(constants.%i32, bool) {
    144. 

  144. // CHECK:STDOUT:   %T.loc21_6.1 => constants.%i32
    145. 

  145. // CHECK:STDOUT:   %Empty.type.loc21_26.1 => constants.%Empty.type.d26
    146. 

  146. // CHECK:STDOUT:   %.Self.1 => constants.%.Self.f6b
    147. 

  147. // CHECK:STDOUT:   %require_complete.loc21_34 => constants.%complete_type.5db
    148. 

  148. // CHECK:STDOUT:   %Empty.assoc_type => constants.%Empty.assoc_type.7c7
    149. 

  149. // CHECK:STDOUT:   %assoc0 => constants.%assoc0.758
    150. 

  150. // CHECK:STDOUT:   %.Self.binding.as_type => constants.%.Self.binding.as_type.53d
    151. 

  151. // CHECK:STDOUT:   %Empty.lookup_impl_witness => constants.%Empty.lookup_impl_witness.e8a
    152. 

  152. // CHECK:STDOUT:   %impl.elem0.loc21_34.1 => constants.%impl.elem0.cf5
    153. 

  153. // CHECK:STDOUT:   %ptr.loc21_40.1 => constants.%ptr.235
    154. 

  154. // CHECK:STDOUT:   %Empty_where.type => constants.%Empty_where.type.1f2
    155. 

  155. // CHECK:STDOUT:   %pattern_type => constants.%pattern_type.be6
    156. 

  156. // CHECK:STDOUT:   %V.loc21_43.1 => bool
    157. 

  157. // CHECK:STDOUT:
    158. 

  158. // CHECK:STDOUT: !definition:
    159. 

  159. // CHECK:STDOUT:   %require_complete.loc21_17 => constants.%complete_type.9cc
    160. 

  160. // CHECK:STDOUT: }
    161. 

  161. // CHECK:STDOUT:
    162.