Files
carbon-lang/toolchain/check/testdata/class/import_indirect.carbon
T
Richard Smith a74ca9071b Remove all remaining uses of TypeIds as instruction operands. (#5280)
In preparation for shifting from `TypeId`s potentially representing
attached types to always representing unattached types, using
[terminology suggested on
Discord](https://discord.com/channels/655572317891461132/963846118964350976/1359286326779973712).
This change causes us to track slightly more type spelling information
through SemIR.

One change that has significant impact on the SemIR output is that we
now build a `struct_type` instruction in each class representing the
types of the fields, including the spelling used for those types. This
is now no longer always identical to the corresponding canonical
`struct_type` for the object representation, so it's built separately
and owned by the class.

Also remove `TypeBlock` support entirely, as its only use was
representing `TupleType`s, which now use an `InstBlock`.
2025-04-10 20:53:42 +00:00

576 lines
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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
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/class/import_indirect.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/import_indirect.carbon
// Triangle:
//
// a <-- Define
// |\
// | b <-- Re-export
// |/
// X <-- Use both
//
// Diamond:
//
// a <-- Define
// / \
// b c <-- Re-export
// \ /
// X <-- Use both
// ============================================================================
// Setup files
// ============================================================================
// --- a.carbon
library "[[@TEST_NAME]]";
class C {}
// --- b.carbon
library "[[@TEST_NAME]]";
import library "a";
alias D = C;
var b_val: C = {};
var b_ptr: D* = &b_val;
// --- c.carbon
library "[[@TEST_NAME]]";
import library "a";
alias E = C;
var c_val: C = {};
var c_ptr: E* = &c_val;
// ============================================================================
// Test files
// ============================================================================
// --- triangle.carbon
library "[[@TEST_NAME]]";
import library "a";
import library "b";
var val: C = {};
var ptr: D* = &val;
// --- triangle_reverse.carbon
library "[[@TEST_NAME]]";
import library "b";
import library "a";
var val: C = {};
var ptr: D* = &val;
// --- diamond.carbon
library "[[@TEST_NAME]]";
import library "b";
import library "c";
var val: D = {};
var ptr: E* = &val;
// --- diamond_reverse.carbon
library "[[@TEST_NAME]]";
import library "c";
import library "b";
var val: D = {};
var ptr: E* = &val;
// CHECK:STDOUT: --- a.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [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: .C = %C.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C {
// 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: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- b.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %C.val: %C = struct_value () [concrete]
// CHECK:STDOUT: %ptr.019: type = ptr_type %C [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Main.C: type = import_ref Main//a, C, loaded [concrete = constants.%C]
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Main.import_ref.8f2: <witness> = import_ref Main//a, loc4_10, loaded [concrete = constants.%complete_type]
// CHECK:STDOUT: %Main.import_ref.2c4 = import_ref Main//a, inst18 [no loc], unloaded
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .C = imports.%Main.C
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .D = %D
// CHECK:STDOUT: .b_val = %b_val
// CHECK:STDOUT: .b_ptr = %b_ptr
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %default.import = import <none>
// CHECK:STDOUT: %C.ref.loc6: type = name_ref C, imports.%Main.C [concrete = constants.%C]
// CHECK:STDOUT: %D: type = bind_alias D, imports.%Main.C [concrete = constants.%C]
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %b_val.patt: %C = binding_pattern b_val
// CHECK:STDOUT: %.loc8: %C = var_pattern %b_val.patt
// CHECK:STDOUT: }
// CHECK:STDOUT: %b_val.var: ref %C = var b_val
// CHECK:STDOUT: %C.ref.loc8: type = name_ref C, imports.%Main.C [concrete = constants.%C]
// CHECK:STDOUT: %b_val: ref %C = bind_name b_val, %b_val.var
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %b_ptr.patt: %ptr.019 = binding_pattern b_ptr
// CHECK:STDOUT: %.loc9_1: %ptr.019 = var_pattern %b_ptr.patt
// CHECK:STDOUT: }
// CHECK:STDOUT: %b_ptr.var: ref %ptr.019 = var b_ptr
// CHECK:STDOUT: %.loc9_13: type = splice_block %ptr [concrete = constants.%ptr.019] {
// CHECK:STDOUT: %D.ref: type = name_ref D, %D [concrete = constants.%C]
// CHECK:STDOUT: %ptr: type = ptr_type %D.ref [concrete = constants.%ptr.019]
// CHECK:STDOUT: }
// CHECK:STDOUT: %b_ptr: ref %ptr.019 = bind_name b_ptr, %b_ptr.var
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C [from "a.carbon"] {
// CHECK:STDOUT: complete_type_witness = imports.%Main.import_ref.8f2
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = imports.%Main.import_ref.2c4
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %.loc8_17.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %.loc8_17.2: init %C = class_init (), file.%b_val.var [concrete = constants.%C.val]
// CHECK:STDOUT: %.loc8_1: init %C = converted %.loc8_17.1, %.loc8_17.2 [concrete = constants.%C.val]
// CHECK:STDOUT: assign file.%b_val.var, %.loc8_1
// CHECK:STDOUT: %b_val.ref: ref %C = name_ref b_val, file.%b_val
// CHECK:STDOUT: %addr: %ptr.019 = addr_of %b_val.ref
// CHECK:STDOUT: assign file.%b_ptr.var, %addr
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- c.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %C.val: %C = struct_value () [concrete]
// CHECK:STDOUT: %ptr.019: type = ptr_type %C [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Main.C: type = import_ref Main//a, C, loaded [concrete = constants.%C]
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Main.import_ref.8f2: <witness> = import_ref Main//a, loc4_10, loaded [concrete = constants.%complete_type]
// CHECK:STDOUT: %Main.import_ref.2c4 = import_ref Main//a, inst18 [no loc], unloaded
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .C = imports.%Main.C
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .E = %E
// CHECK:STDOUT: .c_val = %c_val
// CHECK:STDOUT: .c_ptr = %c_ptr
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %default.import = import <none>
// CHECK:STDOUT: %C.ref.loc6: type = name_ref C, imports.%Main.C [concrete = constants.%C]
// CHECK:STDOUT: %E: type = bind_alias E, imports.%Main.C [concrete = constants.%C]
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %c_val.patt: %C = binding_pattern c_val
// CHECK:STDOUT: %.loc8: %C = var_pattern %c_val.patt
// CHECK:STDOUT: }
// CHECK:STDOUT: %c_val.var: ref %C = var c_val
// CHECK:STDOUT: %C.ref.loc8: type = name_ref C, imports.%Main.C [concrete = constants.%C]
// CHECK:STDOUT: %c_val: ref %C = bind_name c_val, %c_val.var
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %c_ptr.patt: %ptr.019 = binding_pattern c_ptr
// CHECK:STDOUT: %.loc9_1: %ptr.019 = var_pattern %c_ptr.patt
// CHECK:STDOUT: }
// CHECK:STDOUT: %c_ptr.var: ref %ptr.019 = var c_ptr
// CHECK:STDOUT: %.loc9_13: type = splice_block %ptr [concrete = constants.%ptr.019] {
// CHECK:STDOUT: %E.ref: type = name_ref E, %E [concrete = constants.%C]
// CHECK:STDOUT: %ptr: type = ptr_type %E.ref [concrete = constants.%ptr.019]
// CHECK:STDOUT: }
// CHECK:STDOUT: %c_ptr: ref %ptr.019 = bind_name c_ptr, %c_ptr.var
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C [from "a.carbon"] {
// CHECK:STDOUT: complete_type_witness = imports.%Main.import_ref.8f2
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = imports.%Main.import_ref.2c4
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %.loc8_17.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %.loc8_17.2: init %C = class_init (), file.%c_val.var [concrete = constants.%C.val]
// CHECK:STDOUT: %.loc8_1: init %C = converted %.loc8_17.1, %.loc8_17.2 [concrete = constants.%C.val]
// CHECK:STDOUT: assign file.%c_val.var, %.loc8_1
// CHECK:STDOUT: %c_val.ref: ref %C = name_ref c_val, file.%c_val
// CHECK:STDOUT: %addr: %ptr.019 = addr_of %c_val.ref
// CHECK:STDOUT: assign file.%c_ptr.var, %addr
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- triangle.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %C.val: %C = struct_value () [concrete]
// CHECK:STDOUT: %ptr.019: type = ptr_type %C [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Main.C: type = import_ref Main//a, C, loaded [concrete = constants.%C]
// CHECK:STDOUT: %Main.D: type = import_ref Main//b, D, loaded [concrete = constants.%C]
// CHECK:STDOUT: %Main.b_val = import_ref Main//b, b_val, unloaded
// CHECK:STDOUT: %Main.b_ptr = import_ref Main//b, b_ptr, unloaded
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Main.import_ref.8f2: <witness> = import_ref Main//a, loc4_10, loaded [concrete = constants.%complete_type]
// CHECK:STDOUT: %Main.import_ref.2c4 = import_ref Main//a, inst18 [no loc], unloaded
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .C = imports.%Main.C
// CHECK:STDOUT: .D = imports.%Main.D
// CHECK:STDOUT: .b_val = imports.%Main.b_val
// CHECK:STDOUT: .b_ptr = imports.%Main.b_ptr
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .val = %val
// CHECK:STDOUT: .ptr = %ptr.loc8_5
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %default.import = import <none>
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %val.patt: %C = binding_pattern val
// CHECK:STDOUT: %.loc7: %C = var_pattern %val.patt
// CHECK:STDOUT: }
// CHECK:STDOUT: %val.var: ref %C = var val
// CHECK:STDOUT: %C.ref: type = name_ref C, imports.%Main.C [concrete = constants.%C]
// CHECK:STDOUT: %val: ref %C = bind_name val, %val.var
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %ptr.patt: %ptr.019 = binding_pattern ptr
// CHECK:STDOUT: %.loc8_1: %ptr.019 = var_pattern %ptr.patt
// CHECK:STDOUT: }
// CHECK:STDOUT: %ptr.var: ref %ptr.019 = var ptr
// CHECK:STDOUT: %.loc8_11: type = splice_block %ptr.loc8_11 [concrete = constants.%ptr.019] {
// CHECK:STDOUT: %D.ref: type = name_ref D, imports.%Main.D [concrete = constants.%C]
// CHECK:STDOUT: %ptr.loc8_11: type = ptr_type %D.ref [concrete = constants.%ptr.019]
// CHECK:STDOUT: }
// CHECK:STDOUT: %ptr.loc8_5: ref %ptr.019 = bind_name ptr, %ptr.var
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C [from "a.carbon"] {
// CHECK:STDOUT: complete_type_witness = imports.%Main.import_ref.8f2
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = imports.%Main.import_ref.2c4
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %.loc7_15.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %.loc7_15.2: init %C = class_init (), file.%val.var [concrete = constants.%C.val]
// CHECK:STDOUT: %.loc7_1: init %C = converted %.loc7_15.1, %.loc7_15.2 [concrete = constants.%C.val]
// CHECK:STDOUT: assign file.%val.var, %.loc7_1
// CHECK:STDOUT: %val.ref: ref %C = name_ref val, file.%val
// CHECK:STDOUT: %addr: %ptr.019 = addr_of %val.ref
// CHECK:STDOUT: assign file.%ptr.var, %addr
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- triangle_reverse.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %C.val: %C = struct_value () [concrete]
// CHECK:STDOUT: %ptr.019: type = ptr_type %C [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Main.D: type = import_ref Main//b, D, loaded [concrete = constants.%C]
// CHECK:STDOUT: %Main.b_val = import_ref Main//b, b_val, unloaded
// CHECK:STDOUT: %Main.b_ptr = import_ref Main//b, b_ptr, unloaded
// CHECK:STDOUT: %Main.C: type = import_ref Main//a, C, loaded [concrete = constants.%C]
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Main.import_ref.8f2: <witness> = import_ref Main//a, loc4_10, loaded [concrete = constants.%complete_type]
// CHECK:STDOUT: %Main.import_ref.2c4 = import_ref Main//a, inst18 [no loc], unloaded
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .D = imports.%Main.D
// CHECK:STDOUT: .b_val = imports.%Main.b_val
// CHECK:STDOUT: .b_ptr = imports.%Main.b_ptr
// CHECK:STDOUT: .C = imports.%Main.C
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .val = %val
// CHECK:STDOUT: .ptr = %ptr.loc8_5
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %default.import = import <none>
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %val.patt: %C = binding_pattern val
// CHECK:STDOUT: %.loc7: %C = var_pattern %val.patt
// CHECK:STDOUT: }
// CHECK:STDOUT: %val.var: ref %C = var val
// CHECK:STDOUT: %C.ref: type = name_ref C, imports.%Main.C [concrete = constants.%C]
// CHECK:STDOUT: %val: ref %C = bind_name val, %val.var
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %ptr.patt: %ptr.019 = binding_pattern ptr
// CHECK:STDOUT: %.loc8_1: %ptr.019 = var_pattern %ptr.patt
// CHECK:STDOUT: }
// CHECK:STDOUT: %ptr.var: ref %ptr.019 = var ptr
// CHECK:STDOUT: %.loc8_11: type = splice_block %ptr.loc8_11 [concrete = constants.%ptr.019] {
// CHECK:STDOUT: %D.ref: type = name_ref D, imports.%Main.D [concrete = constants.%C]
// CHECK:STDOUT: %ptr.loc8_11: type = ptr_type %D.ref [concrete = constants.%ptr.019]
// CHECK:STDOUT: }
// CHECK:STDOUT: %ptr.loc8_5: ref %ptr.019 = bind_name ptr, %ptr.var
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C [from "a.carbon"] {
// CHECK:STDOUT: complete_type_witness = imports.%Main.import_ref.8f2
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = imports.%Main.import_ref.2c4
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %.loc7_15.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %.loc7_15.2: init %C = class_init (), file.%val.var [concrete = constants.%C.val]
// CHECK:STDOUT: %.loc7_1: init %C = converted %.loc7_15.1, %.loc7_15.2 [concrete = constants.%C.val]
// CHECK:STDOUT: assign file.%val.var, %.loc7_1
// CHECK:STDOUT: %val.ref: ref %C = name_ref val, file.%val
// CHECK:STDOUT: %addr: %ptr.019 = addr_of %val.ref
// CHECK:STDOUT: assign file.%ptr.var, %addr
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- diamond.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %C.val: %C = struct_value () [concrete]
// CHECK:STDOUT: %ptr.019: type = ptr_type %C [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Main.D: type = import_ref Main//b, D, loaded [concrete = constants.%C]
// CHECK:STDOUT: %Main.b_val = import_ref Main//b, b_val, unloaded
// CHECK:STDOUT: %Main.b_ptr = import_ref Main//b, b_ptr, unloaded
// CHECK:STDOUT: %Main.E: type = import_ref Main//c, E, loaded [concrete = constants.%C]
// CHECK:STDOUT: %Main.c_val = import_ref Main//c, c_val, unloaded
// CHECK:STDOUT: %Main.c_ptr = import_ref Main//c, c_ptr, unloaded
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Main.import_ref.8db: <witness> = import_ref Main//b, inst23 [indirect], loaded [concrete = constants.%complete_type]
// CHECK:STDOUT: %Main.import_ref.6a9 = import_ref Main//b, inst24 [indirect], unloaded
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .D = imports.%Main.D
// CHECK:STDOUT: .b_val = imports.%Main.b_val
// CHECK:STDOUT: .b_ptr = imports.%Main.b_ptr
// CHECK:STDOUT: .E = imports.%Main.E
// CHECK:STDOUT: .c_val = imports.%Main.c_val
// CHECK:STDOUT: .c_ptr = imports.%Main.c_ptr
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .val = %val
// CHECK:STDOUT: .ptr = %ptr.loc8_5
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %default.import = import <none>
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %val.patt: %C = binding_pattern val
// CHECK:STDOUT: %.loc7: %C = var_pattern %val.patt
// CHECK:STDOUT: }
// CHECK:STDOUT: %val.var: ref %C = var val
// CHECK:STDOUT: %D.ref: type = name_ref D, imports.%Main.D [concrete = constants.%C]
// CHECK:STDOUT: %val: ref %C = bind_name val, %val.var
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %ptr.patt: %ptr.019 = binding_pattern ptr
// CHECK:STDOUT: %.loc8_1: %ptr.019 = var_pattern %ptr.patt
// CHECK:STDOUT: }
// CHECK:STDOUT: %ptr.var: ref %ptr.019 = var ptr
// CHECK:STDOUT: %.loc8_11: type = splice_block %ptr.loc8_11 [concrete = constants.%ptr.019] {
// CHECK:STDOUT: %E.ref: type = name_ref E, imports.%Main.E [concrete = constants.%C]
// CHECK:STDOUT: %ptr.loc8_11: type = ptr_type %E.ref [concrete = constants.%ptr.019]
// CHECK:STDOUT: }
// CHECK:STDOUT: %ptr.loc8_5: ref %ptr.019 = bind_name ptr, %ptr.var
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C [from "b.carbon"] {
// CHECK:STDOUT: complete_type_witness = imports.%Main.import_ref.8db
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = imports.%Main.import_ref.6a9
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %.loc7_15.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %.loc7_15.2: init %C = class_init (), file.%val.var [concrete = constants.%C.val]
// CHECK:STDOUT: %.loc7_1: init %C = converted %.loc7_15.1, %.loc7_15.2 [concrete = constants.%C.val]
// CHECK:STDOUT: assign file.%val.var, %.loc7_1
// CHECK:STDOUT: %val.ref: ref %C = name_ref val, file.%val
// CHECK:STDOUT: %addr: %ptr.019 = addr_of %val.ref
// CHECK:STDOUT: assign file.%ptr.var, %addr
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- diamond_reverse.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %C.val: %C = struct_value () [concrete]
// CHECK:STDOUT: %ptr.019: type = ptr_type %C [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Main.E: type = import_ref Main//c, E, loaded [concrete = constants.%C]
// CHECK:STDOUT: %Main.c_val = import_ref Main//c, c_val, unloaded
// CHECK:STDOUT: %Main.c_ptr = import_ref Main//c, c_ptr, unloaded
// CHECK:STDOUT: %Main.D: type = import_ref Main//b, D, loaded [concrete = constants.%C]
// CHECK:STDOUT: %Main.b_val = import_ref Main//b, b_val, unloaded
// CHECK:STDOUT: %Main.b_ptr = import_ref Main//b, b_ptr, unloaded
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Main.import_ref.8db: <witness> = import_ref Main//b, inst23 [indirect], loaded [concrete = constants.%complete_type]
// CHECK:STDOUT: %Main.import_ref.6a9 = import_ref Main//b, inst24 [indirect], unloaded
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .E = imports.%Main.E
// CHECK:STDOUT: .c_val = imports.%Main.c_val
// CHECK:STDOUT: .c_ptr = imports.%Main.c_ptr
// CHECK:STDOUT: .D = imports.%Main.D
// CHECK:STDOUT: .b_val = imports.%Main.b_val
// CHECK:STDOUT: .b_ptr = imports.%Main.b_ptr
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .val = %val
// CHECK:STDOUT: .ptr = %ptr.loc8_5
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %default.import = import <none>
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %val.patt: %C = binding_pattern val
// CHECK:STDOUT: %.loc7: %C = var_pattern %val.patt
// CHECK:STDOUT: }
// CHECK:STDOUT: %val.var: ref %C = var val
// CHECK:STDOUT: %D.ref: type = name_ref D, imports.%Main.D [concrete = constants.%C]
// CHECK:STDOUT: %val: ref %C = bind_name val, %val.var
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %ptr.patt: %ptr.019 = binding_pattern ptr
// CHECK:STDOUT: %.loc8_1: %ptr.019 = var_pattern %ptr.patt
// CHECK:STDOUT: }
// CHECK:STDOUT: %ptr.var: ref %ptr.019 = var ptr
// CHECK:STDOUT: %.loc8_11: type = splice_block %ptr.loc8_11 [concrete = constants.%ptr.019] {
// CHECK:STDOUT: %E.ref: type = name_ref E, imports.%Main.E [concrete = constants.%C]
// CHECK:STDOUT: %ptr.loc8_11: type = ptr_type %E.ref [concrete = constants.%ptr.019]
// CHECK:STDOUT: }
// CHECK:STDOUT: %ptr.loc8_5: ref %ptr.019 = bind_name ptr, %ptr.var
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C [from "b.carbon"] {
// CHECK:STDOUT: complete_type_witness = imports.%Main.import_ref.8db
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = imports.%Main.import_ref.6a9
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %.loc7_15.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %.loc7_15.2: init %C = class_init (), file.%val.var [concrete = constants.%C.val]
// CHECK:STDOUT: %.loc7_1: init %C = converted %.loc7_15.1, %.loc7_15.2 [concrete = constants.%C.val]
// CHECK:STDOUT: assign file.%val.var, %.loc7_1
// CHECK:STDOUT: %val.ref: ref %C = name_ref val, file.%val
// CHECK:STDOUT: %addr: %ptr.019 = addr_of %val.ref
// CHECK:STDOUT: assign file.%ptr.var, %addr
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT: