array_element_access.carbon 12 KB

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  1. // Part of the Carbon Language project, under the Apache License v2.0 with LLVM
  2. // Exceptions. See /LICENSE for license information.
  3. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  4. //
  5. // AUTOUPDATE
  6. // TIP: To test this file alone, run:
  7. // TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/index/array_element_access.carbon
  8. // TIP: To dump output, run:
  9. // TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/index/array_element_access.carbon
  10. var a: [i32; 2] = (12, 24);
  11. var b: i32 = 1;
  12. var c: i32 = a[0];
  13. var d: i32 = a[b];
  14. // CHECK:STDOUT: --- array_element_access.carbon
  15. // CHECK:STDOUT:
  16. // CHECK:STDOUT: constants {
  17. // CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [template]
  18. // CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [template]
  19. // CHECK:STDOUT: %int_2: Core.IntLiteral = int_value 2 [template]
  20. // CHECK:STDOUT: %array_type: type = array_type %int_2, %i32 [template]
  21. // CHECK:STDOUT: %int_12.6a3: Core.IntLiteral = int_value 12 [template]
  22. // CHECK:STDOUT: %int_24.e3c: Core.IntLiteral = int_value 24 [template]
  23. // CHECK:STDOUT: %tuple.type: type = tuple_type (Core.IntLiteral, Core.IntLiteral) [template]
  24. // CHECK:STDOUT: %int_0.5c6: Core.IntLiteral = int_value 0 [template]
  25. // CHECK:STDOUT: %ImplicitAs.type.205: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [template]
  26. // CHECK:STDOUT: %Convert.type.1b6: type = fn_type @Convert.1, @ImplicitAs(%i32) [template]
  27. // CHECK:STDOUT: %impl_witness.d39: <witness> = impl_witness (imports.%Core.import_ref.a5b), @impl.1(%int_32) [template]
  28. // CHECK:STDOUT: %Convert.type.035: type = fn_type @Convert.2, @impl.1(%int_32) [template]
  29. // CHECK:STDOUT: %Convert.956: %Convert.type.035 = struct_value () [template]
  30. // CHECK:STDOUT: %ImplicitAs.facet: %ImplicitAs.type.205 = facet_value Core.IntLiteral, %impl_witness.d39 [template]
  31. // CHECK:STDOUT: %.a0b: type = fn_type_with_self_type %Convert.type.1b6, %ImplicitAs.facet [template]
  32. // CHECK:STDOUT: %Convert.bound.221: <bound method> = bound_method %int_12.6a3, %Convert.956 [template]
  33. // CHECK:STDOUT: %Convert.specific_fn.9a9: <specific function> = specific_function %Convert.bound.221, @Convert.2(%int_32) [template]
  34. // CHECK:STDOUT: %int_12.1e1: %i32 = int_value 12 [template]
  35. // CHECK:STDOUT: %int_1.5b8: Core.IntLiteral = int_value 1 [template]
  36. // CHECK:STDOUT: %Convert.bound.ef4: <bound method> = bound_method %int_24.e3c, %Convert.956 [template]
  37. // CHECK:STDOUT: %Convert.specific_fn.c4e: <specific function> = specific_function %Convert.bound.ef4, @Convert.2(%int_32) [template]
  38. // CHECK:STDOUT: %int_24.365: %i32 = int_value 24 [template]
  39. // CHECK:STDOUT: %array: %array_type = tuple_value (%int_12.1e1, %int_24.365) [template]
  40. // CHECK:STDOUT: %Convert.bound.ab5: <bound method> = bound_method %int_1.5b8, %Convert.956 [template]
  41. // CHECK:STDOUT: %Convert.specific_fn.70c: <specific function> = specific_function %Convert.bound.ab5, @Convert.2(%int_32) [template]
  42. // CHECK:STDOUT: %int_1.5d2: %i32 = int_value 1 [template]
  43. // CHECK:STDOUT: %Convert.bound.d04: <bound method> = bound_method %int_0.5c6, %Convert.956 [template]
  44. // CHECK:STDOUT: %Convert.specific_fn.d62: <specific function> = specific_function %Convert.bound.d04, @Convert.2(%int_32) [template]
  45. // CHECK:STDOUT: %int_0.6a9: %i32 = int_value 0 [template]
  46. // CHECK:STDOUT: }
  47. // CHECK:STDOUT:
  48. // CHECK:STDOUT: imports {
  49. // CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
  50. // CHECK:STDOUT: .Int = %Core.Int
  51. // CHECK:STDOUT: .ImplicitAs = %Core.ImplicitAs
  52. // CHECK:STDOUT: import Core//prelude
  53. // CHECK:STDOUT: import Core//prelude/...
  54. // CHECK:STDOUT: }
  55. // CHECK:STDOUT: }
  56. // CHECK:STDOUT:
  57. // CHECK:STDOUT: file {
  58. // CHECK:STDOUT: package: <namespace> = namespace [template] {
  59. // CHECK:STDOUT: .Core = imports.%Core
  60. // CHECK:STDOUT: .a = %a
  61. // CHECK:STDOUT: .b = %b
  62. // CHECK:STDOUT: .c = %c
  63. // CHECK:STDOUT: .d = %d
  64. // CHECK:STDOUT: }
  65. // CHECK:STDOUT: %Core.import = import Core
  66. // CHECK:STDOUT: name_binding_decl {
  67. // CHECK:STDOUT: %a.patt: %array_type = binding_pattern a
  68. // CHECK:STDOUT: %.loc11_1: %array_type = var_pattern %a.patt
  69. // CHECK:STDOUT: }
  70. // CHECK:STDOUT: %a.var: ref %array_type = var a
  71. // CHECK:STDOUT: %.loc11_15: type = splice_block %array_type [template = constants.%array_type] {
  72. // CHECK:STDOUT: %int_32.loc11: Core.IntLiteral = int_value 32 [template = constants.%int_32]
  73. // CHECK:STDOUT: %i32.loc11: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
  74. // CHECK:STDOUT: %int_2: Core.IntLiteral = int_value 2 [template = constants.%int_2]
  75. // CHECK:STDOUT: %array_type: type = array_type %int_2, %i32 [template = constants.%array_type]
  76. // CHECK:STDOUT: }
  77. // CHECK:STDOUT: %a: ref %array_type = bind_name a, %a.var
  78. // CHECK:STDOUT: name_binding_decl {
  79. // CHECK:STDOUT: %b.patt: %i32 = binding_pattern b
  80. // CHECK:STDOUT: %.loc12_1: %i32 = var_pattern %b.patt
  81. // CHECK:STDOUT: }
  82. // CHECK:STDOUT: %b.var: ref %i32 = var b
  83. // CHECK:STDOUT: %.loc12_8: type = splice_block %i32.loc12 [template = constants.%i32] {
  84. // CHECK:STDOUT: %int_32.loc12: Core.IntLiteral = int_value 32 [template = constants.%int_32]
  85. // CHECK:STDOUT: %i32.loc12: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
  86. // CHECK:STDOUT: }
  87. // CHECK:STDOUT: %b: ref %i32 = bind_name b, %b.var
  88. // CHECK:STDOUT: name_binding_decl {
  89. // CHECK:STDOUT: %c.patt: %i32 = binding_pattern c
  90. // CHECK:STDOUT: %.loc13_1: %i32 = var_pattern %c.patt
  91. // CHECK:STDOUT: }
  92. // CHECK:STDOUT: %c.var: ref %i32 = var c
  93. // CHECK:STDOUT: %.loc13_8: type = splice_block %i32.loc13 [template = constants.%i32] {
  94. // CHECK:STDOUT: %int_32.loc13: Core.IntLiteral = int_value 32 [template = constants.%int_32]
  95. // CHECK:STDOUT: %i32.loc13: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
  96. // CHECK:STDOUT: }
  97. // CHECK:STDOUT: %c: ref %i32 = bind_name c, %c.var
  98. // CHECK:STDOUT: name_binding_decl {
  99. // CHECK:STDOUT: %d.patt: %i32 = binding_pattern d
  100. // CHECK:STDOUT: %.loc14_1: %i32 = var_pattern %d.patt
  101. // CHECK:STDOUT: }
  102. // CHECK:STDOUT: %d.var: ref %i32 = var d
  103. // CHECK:STDOUT: %.loc14_8: type = splice_block %i32.loc14 [template = constants.%i32] {
  104. // CHECK:STDOUT: %int_32.loc14: Core.IntLiteral = int_value 32 [template = constants.%int_32]
  105. // CHECK:STDOUT: %i32.loc14: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
  106. // CHECK:STDOUT: }
  107. // CHECK:STDOUT: %d: ref %i32 = bind_name d, %d.var
  108. // CHECK:STDOUT: }
  109. // CHECK:STDOUT:
  110. // CHECK:STDOUT: fn @__global_init() {
  111. // CHECK:STDOUT: !entry:
  112. // CHECK:STDOUT: %int_12: Core.IntLiteral = int_value 12 [template = constants.%int_12.6a3]
  113. // CHECK:STDOUT: %int_24: Core.IntLiteral = int_value 24 [template = constants.%int_24.e3c]
  114. // CHECK:STDOUT: %.loc11_26.1: %tuple.type = tuple_literal (%int_12, %int_24)
  115. // CHECK:STDOUT: %impl.elem0.loc11_26.1: %.a0b = impl_witness_access constants.%impl_witness.d39, element0 [template = constants.%Convert.956]
  116. // CHECK:STDOUT: %bound_method.loc11_26.1: <bound method> = bound_method %int_12, %impl.elem0.loc11_26.1 [template = constants.%Convert.bound.221]
  117. // CHECK:STDOUT: %specific_fn.loc11_26.1: <specific function> = specific_function %bound_method.loc11_26.1, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn.9a9]
  118. // CHECK:STDOUT: %int.convert_checked.loc11_26.1: init %i32 = call %specific_fn.loc11_26.1(%int_12) [template = constants.%int_12.1e1]
  119. // CHECK:STDOUT: %.loc11_26.2: init %i32 = converted %int_12, %int.convert_checked.loc11_26.1 [template = constants.%int_12.1e1]
  120. // CHECK:STDOUT: %int_0.loc11: Core.IntLiteral = int_value 0 [template = constants.%int_0.5c6]
  121. // CHECK:STDOUT: %.loc11_26.3: ref %i32 = array_index file.%a.var, %int_0.loc11
  122. // CHECK:STDOUT: %.loc11_26.4: init %i32 = initialize_from %.loc11_26.2 to %.loc11_26.3 [template = constants.%int_12.1e1]
  123. // CHECK:STDOUT: %impl.elem0.loc11_26.2: %.a0b = impl_witness_access constants.%impl_witness.d39, element0 [template = constants.%Convert.956]
  124. // CHECK:STDOUT: %bound_method.loc11_26.2: <bound method> = bound_method %int_24, %impl.elem0.loc11_26.2 [template = constants.%Convert.bound.ef4]
  125. // CHECK:STDOUT: %specific_fn.loc11_26.2: <specific function> = specific_function %bound_method.loc11_26.2, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn.c4e]
  126. // CHECK:STDOUT: %int.convert_checked.loc11_26.2: init %i32 = call %specific_fn.loc11_26.2(%int_24) [template = constants.%int_24.365]
  127. // CHECK:STDOUT: %.loc11_26.5: init %i32 = converted %int_24, %int.convert_checked.loc11_26.2 [template = constants.%int_24.365]
  128. // CHECK:STDOUT: %int_1.loc11: Core.IntLiteral = int_value 1 [template = constants.%int_1.5b8]
  129. // CHECK:STDOUT: %.loc11_26.6: ref %i32 = array_index file.%a.var, %int_1.loc11
  130. // CHECK:STDOUT: %.loc11_26.7: init %i32 = initialize_from %.loc11_26.5 to %.loc11_26.6 [template = constants.%int_24.365]
  131. // CHECK:STDOUT: %.loc11_26.8: init %array_type = array_init (%.loc11_26.4, %.loc11_26.7) to file.%a.var [template = constants.%array]
  132. // CHECK:STDOUT: %.loc11_1: init %array_type = converted %.loc11_26.1, %.loc11_26.8 [template = constants.%array]
  133. // CHECK:STDOUT: assign file.%a.var, %.loc11_1
  134. // CHECK:STDOUT: %int_1.loc12: Core.IntLiteral = int_value 1 [template = constants.%int_1.5b8]
  135. // CHECK:STDOUT: %impl.elem0.loc12: %.a0b = impl_witness_access constants.%impl_witness.d39, element0 [template = constants.%Convert.956]
  136. // CHECK:STDOUT: %bound_method.loc12: <bound method> = bound_method %int_1.loc12, %impl.elem0.loc12 [template = constants.%Convert.bound.ab5]
  137. // CHECK:STDOUT: %specific_fn.loc12: <specific function> = specific_function %bound_method.loc12, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn.70c]
  138. // CHECK:STDOUT: %int.convert_checked.loc12: init %i32 = call %specific_fn.loc12(%int_1.loc12) [template = constants.%int_1.5d2]
  139. // CHECK:STDOUT: %.loc12: init %i32 = converted %int_1.loc12, %int.convert_checked.loc12 [template = constants.%int_1.5d2]
  140. // CHECK:STDOUT: assign file.%b.var, %.loc12
  141. // CHECK:STDOUT: %a.ref.loc13: ref %array_type = name_ref a, file.%a
  142. // CHECK:STDOUT: %int_0.loc13: Core.IntLiteral = int_value 0 [template = constants.%int_0.5c6]
  143. // CHECK:STDOUT: %int_32.loc13: Core.IntLiteral = int_value 32 [template = constants.%int_32]
  144. // CHECK:STDOUT: %i32.loc13: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
  145. // CHECK:STDOUT: %impl.elem0.loc13: %.a0b = impl_witness_access constants.%impl_witness.d39, element0 [template = constants.%Convert.956]
  146. // CHECK:STDOUT: %bound_method.loc13: <bound method> = bound_method %int_0.loc13, %impl.elem0.loc13 [template = constants.%Convert.bound.d04]
  147. // CHECK:STDOUT: %specific_fn.loc13: <specific function> = specific_function %bound_method.loc13, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn.d62]
  148. // CHECK:STDOUT: %int.convert_checked.loc13: init %i32 = call %specific_fn.loc13(%int_0.loc13) [template = constants.%int_0.6a9]
  149. // CHECK:STDOUT: %.loc13_16.1: %i32 = value_of_initializer %int.convert_checked.loc13 [template = constants.%int_0.6a9]
  150. // CHECK:STDOUT: %.loc13_16.2: %i32 = converted %int_0.loc13, %.loc13_16.1 [template = constants.%int_0.6a9]
  151. // CHECK:STDOUT: %.loc13_17.1: ref %i32 = array_index %a.ref.loc13, %.loc13_16.2
  152. // CHECK:STDOUT: %.loc13_17.2: %i32 = bind_value %.loc13_17.1
  153. // CHECK:STDOUT: assign file.%c.var, %.loc13_17.2
  154. // CHECK:STDOUT: %a.ref.loc14: ref %array_type = name_ref a, file.%a
  155. // CHECK:STDOUT: %b.ref: ref %i32 = name_ref b, file.%b
  156. // CHECK:STDOUT: %int_32.loc14: Core.IntLiteral = int_value 32 [template = constants.%int_32]
  157. // CHECK:STDOUT: %i32.loc14: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
  158. // CHECK:STDOUT: %.loc14_16: %i32 = bind_value %b.ref
  159. // CHECK:STDOUT: %.loc14_17.1: ref %i32 = array_index %a.ref.loc14, %.loc14_16
  160. // CHECK:STDOUT: %.loc14_17.2: %i32 = bind_value %.loc14_17.1
  161. // CHECK:STDOUT: assign file.%d.var, %.loc14_17.2
  162. // CHECK:STDOUT: return
  163. // CHECK:STDOUT: }
  164. // CHECK:STDOUT: