carbon-lang/toolchain/check/testdata/impl/impl_as.carbon

// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
// EXTRA-ARGS: --dump-sem-ir-ranges=if-present
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/impl/impl_as.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/impl/impl_as.carbon

interface Simple {
  fn F();
}

class C {
  impl as Simple {
    fn F() {
      // C is a complete type here.
      var c: C = {};
    }
  }
}

// CHECK:STDOUT: --- impl_as.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %Simple.type: type = facet_type <@Simple> [concrete]
// CHECK:STDOUT:   %Self: %Simple.type = bind_symbolic_name Self, 0 [symbolic]
// CHECK:STDOUT:   %F.type.e2e: type = fn_type @F.1 [concrete]
// CHECK:STDOUT:   %F.df8: %F.type.e2e = struct_value () [concrete]
// CHECK:STDOUT:   %Simple.assoc_type: type = assoc_entity_type @Simple [concrete]
// CHECK:STDOUT:   %assoc0: %Simple.assoc_type = assoc_entity element0, @Simple.%F.decl [concrete]
// CHECK:STDOUT:   %C: type = class_type @C [concrete]
// CHECK:STDOUT:   %Simple.impl_witness: <witness> = impl_witness @C.%Simple.impl_witness_table [concrete]
// CHECK:STDOUT:   %F.type.e4b: type = fn_type @F.2 [concrete]
// CHECK:STDOUT:   %F.c94: %F.type.e4b = struct_value () [concrete]
// CHECK:STDOUT:   %Simple.facet: %Simple.type = facet_value %C, (%Simple.impl_witness) [concrete]
// CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT:   %pattern_type: type = pattern_type %C [concrete]
// CHECK:STDOUT:   %C.val: %C = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .Simple = %Simple.decl
// CHECK:STDOUT:     .C = %C.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %Simple.decl: type = interface_decl @Simple [concrete = constants.%Simple.type] {} {}
// CHECK:STDOUT:   %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @Simple {
// CHECK:STDOUT:   %Self: %Simple.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self]
// CHECK:STDOUT:   %F.decl: %F.type.e2e = fn_decl @F.1 [concrete = constants.%F.df8] {} {}
// CHECK:STDOUT:   %assoc0: %Simple.assoc_type = assoc_entity element0, %F.decl [concrete = constants.%assoc0]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = %Self
// CHECK:STDOUT:   .F = %assoc0
// CHECK:STDOUT:   witness = (%F.decl)
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: impl @impl: %Self.ref as %Simple.ref {
// CHECK:STDOUT:   %F.decl: %F.type.e4b = fn_decl @F.2 [concrete = constants.%F.c94] {} {}
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .F = %F.decl
// CHECK:STDOUT:   .C = <poisoned>
// CHECK:STDOUT:   witness = @C.%Simple.impl_witness
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C {
// CHECK:STDOUT:   impl_decl @impl [concrete] {} {
// CHECK:STDOUT:     %Self.ref: type = name_ref Self, constants.%C [concrete = constants.%C]
// CHECK:STDOUT:     %Simple.ref: type = name_ref Simple, file.%Simple.decl [concrete = constants.%Simple.type]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Simple.impl_witness_table = impl_witness_table (@impl.%F.decl), @impl [concrete]
// CHECK:STDOUT:   %Simple.impl_witness: <witness> = impl_witness %Simple.impl_witness_table [concrete = constants.%Simple.impl_witness]
// CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete = constants.%empty_struct_type]
// CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete = constants.%complete_type]
// CHECK:STDOUT:   complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = constants.%C
// CHECK:STDOUT:   .Simple = <poisoned>
// CHECK:STDOUT:   .C = <poisoned>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @F.1(@Simple.%Self: %Simple.type) {
// CHECK:STDOUT:   fn();
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F.2() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   name_binding_decl {
// CHECK:STDOUT:     %c.patt: %pattern_type = binding_pattern c [concrete]
// CHECK:STDOUT:     %c.var_patt: %pattern_type = var_pattern %c.patt [concrete]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %c.var: ref %C = var %c.var_patt
// CHECK:STDOUT:   %.loc22_19.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT:   %.loc22_19.2: init %C = class_init (), %c.var [concrete = constants.%C.val]
// CHECK:STDOUT:   %.loc22_7: init %C = converted %.loc22_19.1, %.loc22_19.2 [concrete = constants.%C.val]
// CHECK:STDOUT:   assign %c.var, %.loc22_7
// CHECK:STDOUT:   %C.ref: type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT:   %c: ref %C = bind_name c, %c.var
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F.1(constants.%Self) {}
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F.1(constants.%Simple.facet) {}
// CHECK:STDOUT: