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carbon-lang/toolchain/check/testdata/class/init_nested.carbon
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Richard Smith 797b14eb8e Import ImplWitnessTable into the imports block instead of the constants block. (#5374) 
Don't import `ImplWitnessTable` into the `constants` block, because we
generally don't put `Unique` constants there. This matches the handling
of the other kinds of `Unique` constants. In order to keep the
instruction visible in formatted SemIR, add it to the `imports` block
instead.

Also fix a bug in the instruction formatter that resulted in
instructions in the `imports` block being omitted from the output if
they were only referenced by earlier instructions in the `imports` block
and by instructions in the `constants` block. This was already resulting
in some referenced instructions being omitted from the output, but also
occurred frequently for `impl_witness_table` instructions after this
change because it is common for the only reference to those instructions
to be from `impl_witness` instructions in the `constants` block.
2025-05-01 00:08:43 +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
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/class/init_nested.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/init_nested.carbon
class Inner {
var a: i32;
var b: i32;
}
fn MakeInner() -> Inner;
class Outer {
var c: Inner;
var d: Inner;
}
fn MakeOuter() -> Outer {
return {.c = MakeInner(), .d = MakeInner()};
}
// CHECK:STDOUT: --- init_nested.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Inner: type = class_type @Inner [concrete]
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %Int.type: type = generic_class_type @Int [concrete]
// CHECK:STDOUT: %Int.generic: %Int.type = struct_value () [concrete]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %Inner.elem: type = unbound_element_type %Inner, %i32 [concrete]
// CHECK:STDOUT: %struct_type.a.b: type = struct_type {.a: %i32, .b: %i32} [concrete]
// CHECK:STDOUT: %complete_type.705: <witness> = complete_type_witness %struct_type.a.b [concrete]
// CHECK:STDOUT: %pattern_type.a31: type = pattern_type %Inner [concrete]
// CHECK:STDOUT: %MakeInner.type: type = fn_type @MakeInner [concrete]
// CHECK:STDOUT: %MakeInner: %MakeInner.type = struct_value () [concrete]
// CHECK:STDOUT: %Outer: type = class_type @Outer [concrete]
// CHECK:STDOUT: %Outer.elem: type = unbound_element_type %Outer, %Inner [concrete]
// CHECK:STDOUT: %struct_type.c.d.dce: type = struct_type {.c: %Inner, .d: %Inner} [concrete]
// CHECK:STDOUT: %complete_type.8b6: <witness> = complete_type_witness %struct_type.c.d.dce [concrete]
// CHECK:STDOUT: %pattern_type.e74: type = pattern_type %Outer [concrete]
// CHECK:STDOUT: %MakeOuter.type: type = fn_type @MakeOuter [concrete]
// CHECK:STDOUT: %MakeOuter: %MakeOuter.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .Int = %Core.Int
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.Int: %Int.type = import_ref Core//prelude/types/int, Int, loaded [concrete = constants.%Int.generic]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .Inner = %Inner.decl
// CHECK:STDOUT: .MakeInner = %MakeInner.decl
// CHECK:STDOUT: .Outer = %Outer.decl
// CHECK:STDOUT: .MakeOuter = %MakeOuter.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %Inner.decl: type = class_decl @Inner [concrete = constants.%Inner] {} {}
// CHECK:STDOUT: %MakeInner.decl: %MakeInner.type = fn_decl @MakeInner [concrete = constants.%MakeInner] {
// CHECK:STDOUT: %return.patt: %pattern_type.a31 = return_slot_pattern [concrete]
// CHECK:STDOUT: %return.param_patt: %pattern_type.a31 = out_param_pattern %return.patt, call_param0 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %Inner.ref: type = name_ref Inner, file.%Inner.decl [concrete = constants.%Inner]
// CHECK:STDOUT: %return.param: ref %Inner = out_param call_param0
// CHECK:STDOUT: %return: ref %Inner = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %Outer.decl: type = class_decl @Outer [concrete = constants.%Outer] {} {}
// CHECK:STDOUT: %MakeOuter.decl: %MakeOuter.type = fn_decl @MakeOuter [concrete = constants.%MakeOuter] {
// CHECK:STDOUT: %return.patt: %pattern_type.e74 = return_slot_pattern [concrete]
// CHECK:STDOUT: %return.param_patt: %pattern_type.e74 = out_param_pattern %return.patt, call_param0 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %Outer.ref: type = name_ref Outer, file.%Outer.decl [concrete = constants.%Outer]
// CHECK:STDOUT: %return.param: ref %Outer = out_param call_param0
// CHECK:STDOUT: %return: ref %Outer = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Inner {
// CHECK:STDOUT: %int_32.loc12: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc12: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: %.loc12: %Inner.elem = field_decl a, element0 [concrete]
// CHECK:STDOUT: %int_32.loc13: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc13: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: %.loc13: %Inner.elem = field_decl b, element1 [concrete]
// CHECK:STDOUT: %struct_type.a.b: type = struct_type {.a: %i32, .b: %i32} [concrete = constants.%struct_type.a.b]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %struct_type.a.b [concrete = constants.%complete_type.705]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Inner
// CHECK:STDOUT: .a = %.loc12
// CHECK:STDOUT: .b = %.loc13
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Outer {
// CHECK:STDOUT: %Inner.ref.loc19: type = name_ref Inner, file.%Inner.decl [concrete = constants.%Inner]
// CHECK:STDOUT: %.loc19: %Outer.elem = field_decl c, element0 [concrete]
// CHECK:STDOUT: %Inner.ref.loc20: type = name_ref Inner, file.%Inner.decl [concrete = constants.%Inner]
// CHECK:STDOUT: %.loc20: %Outer.elem = field_decl d, element1 [concrete]
// CHECK:STDOUT: %struct_type.c.d: type = struct_type {.c: %Inner, .d: %Inner} [concrete = constants.%struct_type.c.d.dce]
// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %struct_type.c.d [concrete = constants.%complete_type.8b6]
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Outer
// CHECK:STDOUT: .Inner = <poisoned>
// CHECK:STDOUT: .c = %.loc19
// CHECK:STDOUT: .d = %.loc20
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @MakeInner() -> %return.param: %Inner;
// CHECK:STDOUT:
// CHECK:STDOUT: fn @MakeOuter() -> %return.param: %Outer {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %MakeInner.ref.loc24_16: %MakeInner.type = name_ref MakeInner, file.%MakeInner.decl [concrete = constants.%MakeInner]
// CHECK:STDOUT: %.loc24_45.1: ref %Inner = class_element_access %return, element0
// CHECK:STDOUT: %MakeInner.call.loc24_26: init %Inner = call %MakeInner.ref.loc24_16() to %.loc24_45.1
// CHECK:STDOUT: %MakeInner.ref.loc24_34: %MakeInner.type = name_ref MakeInner, file.%MakeInner.decl [concrete = constants.%MakeInner]
// CHECK:STDOUT: %.loc24_45.2: ref %Inner = class_element_access %return, element1
// CHECK:STDOUT: %MakeInner.call.loc24_44: init %Inner = call %MakeInner.ref.loc24_34() to %.loc24_45.2
// CHECK:STDOUT: %.loc24_45.3: %struct_type.c.d.dce = struct_literal (%MakeInner.call.loc24_26, %MakeInner.call.loc24_44)
// CHECK:STDOUT: %.loc24_45.4: init %Outer = class_init (%MakeInner.call.loc24_26, %MakeInner.call.loc24_44), %return
// CHECK:STDOUT: %.loc24_46: init %Outer = converted %.loc24_45.3, %.loc24_45.4
// CHECK:STDOUT: return %.loc24_46 to %return
// CHECK:STDOUT: }
// CHECK:STDOUT:
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