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d8bb181db8b017c08364292ad185ecf87116a2b8
carbon-lang/toolchain/check/testdata/class/import_member_cycle.carbon
T
Nicholas Bishop d8bb181db8 Fix SemIR not showing insts used to compute FieldDecl type (#7706) 
Add an `ExprRegionId` to `FieldDecl`. This required moving the `NameId`
into `Field`.
2026-09-02 20:28:05 +00:00

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// 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
//
// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/convert.carbon
// 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/class/import_member_cycle.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/import_member_cycle.carbon
// --- a.carbon
library "[[@TEST_NAME]]";
class Cycle {
var a: Cycle*;
}
// --- b.carbon
library "[[@TEST_NAME]]";
import library "a";
fn Run() {
var unused a: Cycle*;
}
// CHECK:STDOUT: --- a.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Cycle: type = class_type @Cycle [concrete]
// CHECK:STDOUT: %ptr: type = ptr_type %Cycle [concrete]
// CHECK:STDOUT: %Cycle.elem: type = unbound_element_type %Cycle, %ptr [concrete]
// CHECK:STDOUT: %struct_type.a: type = struct_type {.a: %ptr} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %struct_type.a [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: .Cycle = %Cycle.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %Cycle.decl: type = class_decl @Cycle [concrete = constants.%Cycle] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Cycle {
// CHECK:STDOUT: %field_decl: %Cycle.elem = field_decl a, element0, %ptr in [concrete] {
// CHECK:STDOUT: %Cycle.ref: type = name_ref Cycle, file.%Cycle.decl [concrete = constants.%Cycle]
// CHECK:STDOUT: %ptr: type = ptr_type %Cycle.ref [concrete = constants.%ptr]
// CHECK:STDOUT: }
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness constants.%struct_type.a [concrete = constants.%complete_type]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Cycle
// CHECK:STDOUT: .Cycle = <poisoned>
// CHECK:STDOUT: .a = %field_decl
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- b.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Run.type: type = fn_type @Run [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %Run: %Run.type = struct_value () [concrete]
// CHECK:STDOUT: %Cycle: type = class_type @Cycle [concrete]
// CHECK:STDOUT: %ptr: type = ptr_type %Cycle [concrete]
// CHECK:STDOUT: %struct_type.a: type = struct_type {.a: %ptr} [concrete]
// CHECK:STDOUT: %complete_type.de4: <witness> = complete_type_witness %struct_type.a [concrete]
// CHECK:STDOUT: %pattern_type.c3e: type = pattern_type %ptr [concrete]
// CHECK:STDOUT: %a.patt: %pattern_type.c3e = ref_binding_pattern a [concrete]
// CHECK:STDOUT: %a.var_patt: %pattern_type.c3e = var_pattern %a.patt [concrete]
// CHECK:STDOUT: %DefaultOrUnformed.type: type = facet_type <@DefaultOrUnformed> [concrete]
// CHECK:STDOUT: %T.67d: type = symbolic_binding T, 0 [symbolic]
// CHECK:STDOUT: %T.as.DefaultOrUnformed.impl.Op.type.150: type = fn_type @T.as.DefaultOrUnformed.impl.Op, @T.as.DefaultOrUnformed.impl(%T.67d) [symbolic]
// CHECK:STDOUT: %T.as.DefaultOrUnformed.impl.Op.53a: %T.as.DefaultOrUnformed.impl.Op.type.150 = struct_value () [symbolic]
// CHECK:STDOUT: %DefaultOrUnformed.impl_witness.9b1: <witness> = impl_witness imports.%DefaultOrUnformed.impl_witness_table.856, @T.as.DefaultOrUnformed.impl(%ptr) [concrete]
// CHECK:STDOUT: %T.as.DefaultOrUnformed.impl.Op.type.3bf: type = fn_type @T.as.DefaultOrUnformed.impl.Op, @T.as.DefaultOrUnformed.impl(%ptr) [concrete]
// CHECK:STDOUT: %T.as.DefaultOrUnformed.impl.Op.85a: %T.as.DefaultOrUnformed.impl.Op.type.3bf = struct_value () [concrete]
// CHECK:STDOUT: %DefaultOrUnformed.facet: %DefaultOrUnformed.type = facet_value %ptr, (%DefaultOrUnformed.impl_witness.9b1) [concrete]
// CHECK:STDOUT: %T.as.DefaultOrUnformed.impl.Op.specific_fn: <specific function> = specific_function %T.as.DefaultOrUnformed.impl.Op.85a, @T.as.DefaultOrUnformed.impl.Op(%ptr) [concrete]
// CHECK:STDOUT: %Destroy.type: type = facet_type <@Destroy> [concrete]
// CHECK:STDOUT: %Destroy.Op.type: type = fn_type @Destroy.Op [concrete]
// CHECK:STDOUT: %Destroy.Op: %Destroy.Op.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Main.Cycle: type = import_ref Main//a, Cycle, loaded [concrete = constants.%Cycle]
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .DefaultOrUnformed = %Core.DefaultOrUnformed
// CHECK:STDOUT: .Destroy = %Core.Destroy
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Main.import_ref.8f0: <witness> = import_ref Main//a, loc6_1, loaded [concrete = constants.%complete_type.de4]
// CHECK:STDOUT: %Main.import_ref.3b0 = import_ref Main//a, inst{{[0-9A-F]+}} [no loc], unloaded
// CHECK:STDOUT: %Main.import_ref.ec9 = import_ref Main//a, loc5_8, unloaded
// CHECK:STDOUT: %Core.DefaultOrUnformed: type = import_ref Core//prelude/parts/default, DefaultOrUnformed, loaded [concrete = constants.%DefaultOrUnformed.type]
// CHECK:STDOUT: %Core.import_ref.cc8: @T.as.DefaultOrUnformed.impl.%T.as.DefaultOrUnformed.impl.Op.type (%T.as.DefaultOrUnformed.impl.Op.type.150) = import_ref Core//prelude/parts/default, loc{{\d+_\d+}}, loaded [symbolic = @T.as.DefaultOrUnformed.impl.%T.as.DefaultOrUnformed.impl.Op (constants.%T.as.DefaultOrUnformed.impl.Op.53a)]
// CHECK:STDOUT: %DefaultOrUnformed.impl_witness_table.856 = impl_witness_table (%Core.import_ref.cc8), @T.as.DefaultOrUnformed.impl [concrete]
// CHECK:STDOUT: %Core.Destroy: type = import_ref Core//prelude/parts/destroy, Destroy, loaded [concrete = constants.%Destroy.type]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Cycle = imports.%Main.Cycle
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .Run = %Run.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %default.import = import <none>
// CHECK:STDOUT: %Run.decl: %Run.type = fn_decl @Run [concrete = constants.%Run] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Cycle [from "a.carbon"] {
// CHECK:STDOUT: complete_type_witness = imports.%Main.import_ref.8f0
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = imports.%Main.import_ref.3b0
// CHECK:STDOUT: .a = imports.%Main.import_ref.ec9
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Run() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %a.var: ref %ptr = var_storage %a.var_patt
// CHECK:STDOUT: %DefaultOrUnformed.facet: %DefaultOrUnformed.type = facet_value constants.%ptr, (constants.%DefaultOrUnformed.impl_witness.9b1) [concrete = constants.%DefaultOrUnformed.facet]
// CHECK:STDOUT: %.loc7_23.1: %DefaultOrUnformed.type = converted constants.%ptr, %DefaultOrUnformed.facet [concrete = constants.%DefaultOrUnformed.facet]
// CHECK:STDOUT: %as_type: type = facet_access_type %.loc7_23.1 [concrete = constants.%ptr]
// CHECK:STDOUT: %.loc7_23.2: type = converted %.loc7_23.1, %as_type [concrete = constants.%ptr]
// CHECK:STDOUT: %T.as.DefaultOrUnformed.impl.Op.specific_fn: <specific function> = specific_function constants.%T.as.DefaultOrUnformed.impl.Op.85a, @T.as.DefaultOrUnformed.impl.Op(constants.%ptr) [concrete = constants.%T.as.DefaultOrUnformed.impl.Op.specific_fn]
// CHECK:STDOUT: %T.as.DefaultOrUnformed.impl.Op.call: init %ptr = call %T.as.DefaultOrUnformed.impl.Op.specific_fn()
// CHECK:STDOUT: assign %a.var, %T.as.DefaultOrUnformed.impl.Op.call
// CHECK:STDOUT: %.loc7_22: type = splice_block %ptr [concrete = constants.%ptr] {
// CHECK:STDOUT: %Cycle.ref: type = name_ref Cycle, imports.%Main.Cycle [concrete = constants.%Cycle]
// CHECK:STDOUT: %ptr: type = ptr_type %Cycle.ref [concrete = constants.%ptr]
// CHECK:STDOUT: }
// CHECK:STDOUT: %a: ref %ptr = wrapper_binding a, %a.var
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %a.patt: %pattern_type.c3e = ref_binding_pattern a [concrete = constants.%a.patt]
// CHECK:STDOUT: %a.var_patt: %pattern_type.c3e = var_pattern %a.patt [concrete = constants.%a.var_patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: %Destroy.Op.bound: <bound method> = bound_method %a.var, constants.%Destroy.Op
// CHECK:STDOUT: %Destroy.Op.call: init %empty_tuple.type = call %Destroy.Op.bound(%a.var)
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.Op(%self.param: ref %ptr) = "no_op";
// CHECK:STDOUT:
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