// 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
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/impl/lookup/alias.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/impl/lookup/alias.carbon

interface HasF {
  fn F();
}

class C {
  alias G = HasF.F;
}

impl C as HasF {
  fn F() {}
}

fn G(c: C) {
  C.G();
  c.G();
}

// CHECK:STDOUT: --- alias.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %HasF.type: type = facet_type <@HasF> [template]
// CHECK:STDOUT:   %Self: %HasF.type = bind_symbolic_name Self, 0 [symbolic]
// CHECK:STDOUT:   %F.type.b7b: type = fn_type @F.1 [template]
// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [template]
// CHECK:STDOUT:   %F.f50: %F.type.b7b = struct_value () [template]
// CHECK:STDOUT:   %HasF.assoc_type: type = assoc_entity_type %HasF.type [template]
// CHECK:STDOUT:   %assoc0: %HasF.assoc_type = assoc_entity element0, @HasF.%F.decl [template]
// CHECK:STDOUT:   %C: type = class_type @C [template]
// CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [template]
// CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [template]
// CHECK:STDOUT:   %impl_witness: <witness> = impl_witness (@impl.%F.decl) [template]
// CHECK:STDOUT:   %F.type.a02: type = fn_type @F.2 [template]
// CHECK:STDOUT:   %F.dc7: %F.type.a02 = struct_value () [template]
// CHECK:STDOUT:   %HasF.facet: %HasF.type = facet_value %C, %impl_witness [template]
// CHECK:STDOUT:   %G.type: type = fn_type @G [template]
// CHECK:STDOUT:   %G: %G.type = struct_value () [template]
// CHECK:STDOUT:   %.447: type = fn_type_with_self_type %F.type.b7b, %HasF.facet [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .HasF = %HasF.decl
// CHECK:STDOUT:     .C = %C.decl
// CHECK:STDOUT:     .G = %G.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %HasF.decl: type = interface_decl @HasF [template = constants.%HasF.type] {} {}
// CHECK:STDOUT:   %C.decl: type = class_decl @C [template = constants.%C] {} {}
// CHECK:STDOUT:   impl_decl @impl [template] {} {
// CHECK:STDOUT:     %C.ref: type = name_ref C, file.%C.decl [template = constants.%C]
// CHECK:STDOUT:     %HasF.ref: type = name_ref HasF, file.%HasF.decl [template = constants.%HasF.type]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %impl_witness: <witness> = impl_witness (@impl.%F.decl) [template = constants.%impl_witness]
// CHECK:STDOUT:   %G.decl: %G.type = fn_decl @G [template = constants.%G] {
// CHECK:STDOUT:     %c.patt: %C = binding_pattern c
// CHECK:STDOUT:     %c.param_patt: %C = value_param_pattern %c.patt, runtime_param0
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %c.param: %C = value_param runtime_param0
// CHECK:STDOUT:     %C.ref.loc23: type = name_ref C, file.%C.decl [template = constants.%C]
// CHECK:STDOUT:     %c: %C = bind_name c, %c.param
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @HasF {
// CHECK:STDOUT:   %Self: %HasF.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self]
// CHECK:STDOUT:   %F.decl: %F.type.b7b = fn_decl @F.1 [template = constants.%F.f50] {} {}
// CHECK:STDOUT:   %assoc0: %HasF.assoc_type = assoc_entity element0, %F.decl [template = 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: %C.ref as %HasF.ref {
// CHECK:STDOUT:   %F.decl: %F.type.a02 = fn_decl @F.2 [template = constants.%F.dc7] {} {}
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .F = %F.decl
// CHECK:STDOUT:   witness = file.%impl_witness
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C {
// CHECK:STDOUT:   %HasF.ref: type = name_ref HasF, file.%HasF.decl [template = constants.%HasF.type]
// CHECK:STDOUT:   %F.ref: %HasF.assoc_type = name_ref F, @HasF.%assoc0 [template = constants.%assoc0]
// CHECK:STDOUT:   %G: %HasF.assoc_type = bind_alias G, @HasF.%assoc0 [template = constants.%assoc0]
// CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [template = constants.%complete_type]
// CHECK:STDOUT:   complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = constants.%C
// CHECK:STDOUT:   .G = %G
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @F.1(@HasF.%Self: %HasF.type) {
// CHECK:STDOUT:   fn();
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F.2() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G(%c.param_patt: %C) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %C.ref.loc24: type = name_ref C, file.%C.decl [template = constants.%C]
// CHECK:STDOUT:   %G.ref.loc24: %HasF.assoc_type = name_ref G, @C.%G [template = constants.%assoc0]
// CHECK:STDOUT:   %impl.elem0.loc24: %.447 = impl_witness_access constants.%impl_witness, element0 [template = constants.%F.dc7]
// CHECK:STDOUT:   %F.call.loc24: init %empty_tuple.type = call %impl.elem0.loc24()
// CHECK:STDOUT:   %c.ref: %C = name_ref c, %c
// CHECK:STDOUT:   %G.ref.loc25: %HasF.assoc_type = name_ref G, @C.%G [template = constants.%assoc0]
// CHECK:STDOUT:   %impl.elem0.loc25: %.447 = impl_witness_access constants.%impl_witness, element0 [template = constants.%F.dc7]
// CHECK:STDOUT:   %F.call.loc25: init %empty_tuple.type = call %impl.elem0.loc25()
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F.1(constants.%Self) {}
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F.1(constants.%HasF.facet) {}
// CHECK:STDOUT: