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carbon-lang/toolchain/check/testdata/basics/dump_sem_ir_ranges.carbon
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Dana Jansens fcae9610bd Make SemIR::TypeType be an empty FacetType instruction (#7813) 
The type `type` is now a `FacetType` inst with no constraints. This
brings the model implemented in the toolchain into better alignment with
the language design. The `SemIR::TypeType` struct remains as a scope for
holding the `TypeInstId`, `ConstantId`, and `TypeId` constants, but is
not an `InstKind` anymore.

The `TypeType` inst looks a lot like singletons, but there are many
`FacetType` insts so it doesn't quite fit that model. So we put it
alongside singletons with a fixed inst id but refer to it as a more
general "builtin" inst that is not a singleton.
`Namespace::PackageInstId` is similar, and we group it with `TypeType`
conceptually as another builtin instruction with a fixed id.

No conversion is needed anymore to use a `type` as a facet, since types
also have a `FacetType` type. This simplifies and removes a number of
helpers and branches throughout the code.

The `TypeType` inst is now part of the constant store, so we end up
printing it in the constants block in every test. But it's also named
`type` rather than `%type` to preserve the majority of existing
formatting behaviour, though this does look different from other
constants.

Assisted-by: Opus 5 was used to generate a first draft and validate the
refactoring. Though nearly everything non-trivial the tool wrote has
been modified or rewritten.
2026-09-22 15:04:40 +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/destroy.carbon
//
// The default behavior should be `--dump-sem-ir-ranges=if-present`, although
// tests set it to `only`. This explicitly tests the default of the toolchain,
// not of file_test.
// ARGS: compile --phase=check --dump-sem-ir %s
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/basics/dump_sem_ir_ranges.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/basics/dump_sem_ir_ranges.carbon
// --- function.carbon
library "[[@TEST_NAME]]";
fn A() {
var unused a: () = ();
}
fn B() -> () {
var b: () = ();
//@dump-sem-ir-begin
b = A();
//@dump-sem-ir-end
return b;
}
//@dump-sem-ir-begin
fn C() -> () {
var c: () = ();
c = B();
return c;
}
//@dump-sem-ir-end
// --- class.carbon
library "[[@TEST_NAME]]";
class A {
fn F();
//@dump-sem-ir-begin
fn G();
//@dump-sem-ir-end
}
class B {
fn H();
}
//@dump-sem-ir-begin
class C {
fn I();
//@dump-sem-ir-end
fn J();
}
// --- call_params.carbon
library "[[@TEST_NAME]]";
fn F(a: (), b: (), c: ());
fn A();
fn B();
fn C();
fn G() {
F(
//@dump-sem-ir-begin
A(),
//@dump-sem-ir-end
B(),
//@dump-sem-ir-begin
C()
//@dump-sem-ir-end
);
}
// --- file_without_ranges.carbon
library "[[@TEST_NAME]]";
fn F();
// --- explicit_dump_file.carbon
library "[[@TEST_NAME]]";
//@include-in-dumps
// CHECK:STDOUT: --- function.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %A.type: type = fn_type @A [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %A: %A.type = struct_value () [concrete]
// CHECK:STDOUT: %empty_tuple: %empty_tuple.type = tuple_value () [concrete]
// CHECK:STDOUT: %pattern_type.cb1: type = pattern_type %empty_tuple.type [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.Op.type.ef0: type = fn_type @Destroy.WithSelf.Op.loc5 [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.Op.403: %Destroy.WithSelf.Op.type.ef0 = struct_value () [concrete]
// CHECK:STDOUT: %.262: Core.Form = init_form %empty_tuple.type [concrete]
// CHECK:STDOUT: %return.param_patt: %pattern_type.cb1 = out_param_pattern [concrete]
// CHECK:STDOUT: %return.patt: %pattern_type.cb1 = return_slot_pattern %return.param_patt, %empty_tuple.type [concrete]
// CHECK:STDOUT: %B.type: type = fn_type @B [concrete]
// CHECK:STDOUT: %B: %B.type = struct_value () [concrete]
// CHECK:STDOUT: %C.type: type = fn_type @C [concrete]
// CHECK:STDOUT: %C: %C.type = struct_value () [concrete]
// CHECK:STDOUT: %c.patt: %pattern_type.cb1 = ref_binding_pattern c [concrete]
// CHECK:STDOUT: %c.var_patt: %pattern_type.cb1 = var_pattern %c.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: %C.decl: %C.type = fn_decl @C [concrete = constants.%C] {
// CHECK:STDOUT: %return.param_patt: %pattern_type.cb1 = out_param_pattern [concrete = constants.%return.param_patt]
// CHECK:STDOUT: %return.patt: %pattern_type.cb1 = return_slot_pattern %return.param_patt, %.loc17_12.2 [concrete = constants.%return.patt]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %.loc17_12.1: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
// CHECK:STDOUT: %.loc17_12.2: type = converted %.loc17_12.1, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
// CHECK:STDOUT: %.loc17_12.3: Core.Form = init_form %.loc17_12.2 [concrete = constants.%.262]
// CHECK:STDOUT: %return.param: ref %empty_tuple.type = out_param call_param0
// CHECK:STDOUT: %return: ref %empty_tuple.type = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @B() -> out %return.param: %empty_tuple.type {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %b.ref.loc11: ref %empty_tuple.type = name_ref b, %b
// CHECK:STDOUT: %A.ref: %A.type = name_ref A, file.%A.decl [concrete = constants.%A]
// CHECK:STDOUT: %A.call: init %empty_tuple.type = call %A.ref()
// CHECK:STDOUT: assign %b.ref.loc11, %A.call
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @C() -> out %return.param: %empty_tuple.type {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %c.var: ref %empty_tuple.type = var_storage %c.var_patt
// CHECK:STDOUT: %.loc18_16.1: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
// CHECK:STDOUT: %.loc18_16.2: init %empty_tuple.type = tuple_init () [concrete = constants.%empty_tuple]
// CHECK:STDOUT: %.loc18_3: init %empty_tuple.type = converted %.loc18_16.1, %.loc18_16.2 [concrete = constants.%empty_tuple]
// CHECK:STDOUT: assign %c.var, %.loc18_3
// CHECK:STDOUT: %.loc18_11.1: type = splice_block %.loc18_11.3 [concrete = constants.%empty_tuple.type] {
// CHECK:STDOUT: %.loc18_11.2: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
// CHECK:STDOUT: %.loc18_11.3: type = converted %.loc18_11.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %c: ref %empty_tuple.type = wrapper_binding c, %c.var
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %c.patt: %pattern_type.cb1 = ref_binding_pattern c [concrete = constants.%c.patt]
// CHECK:STDOUT: %c.var_patt: %pattern_type.cb1 = var_pattern %c.patt [concrete = constants.%c.var_patt]
// CHECK:STDOUT: }
// CHECK:STDOUT: %c.ref.loc19: ref %empty_tuple.type = name_ref c, %c
// CHECK:STDOUT: %B.ref: %B.type = name_ref B, file.%B.decl [concrete = constants.%B]
// CHECK:STDOUT: %B.call: init %empty_tuple.type = call %B.ref()
// CHECK:STDOUT: assign %c.ref.loc19, %B.call
// CHECK:STDOUT: %c.ref.loc20: ref %empty_tuple.type = name_ref c, %c
// CHECK:STDOUT: %.loc20_10: init %empty_tuple.type = tuple_init () [concrete = constants.%empty_tuple]
// CHECK:STDOUT: %.loc20_11: init %empty_tuple.type = converted %c.ref.loc20, %.loc20_10 [concrete = constants.%empty_tuple]
// CHECK:STDOUT: %Destroy.WithSelf.Op.bound: <bound method> = bound_method %c.var, constants.%Destroy.WithSelf.Op.403
// CHECK:STDOUT: %Destroy.WithSelf.Op.call: init %empty_tuple.type = call %Destroy.WithSelf.Op.bound(%c.var)
// CHECK:STDOUT: return %.loc20_11
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- class.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %A: type = class_type @A [concrete]
// CHECK:STDOUT: %A.G.type: type = fn_type @A.G [concrete]
// CHECK:STDOUT: %A.G: %A.G.type = struct_value () [concrete]
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %C.I.type: type = fn_type @C.I [concrete]
// CHECK:STDOUT: %C.I: %C.I.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @A {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %A.G.decl: %A.G.type = fn_decl @A.G [concrete = constants.%A.G] {} {}
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%A
// CHECK:STDOUT: .F = %A.F.decl
// CHECK:STDOUT: .G = %A.G.decl
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C {
// CHECK:STDOUT: %C.I.decl: %C.I.type = fn_decl @C.I [concrete = constants.%C.I] {} {}
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: complete_type_witness = %complete_type
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%C
// CHECK:STDOUT: .I = %C.I.decl
// CHECK:STDOUT: .J = %C.J.decl
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @A.G();
// CHECK:STDOUT:
// CHECK:STDOUT: fn @C.I();
// CHECK:STDOUT:
// CHECK:STDOUT: --- call_params.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %empty_tuple: %empty_tuple.type = tuple_value () [concrete]
// CHECK:STDOUT: %A.type: type = fn_type @A [concrete]
// CHECK:STDOUT: %A: %A.type = struct_value () [concrete]
// CHECK:STDOUT: %C.type: type = fn_type @C [concrete]
// CHECK:STDOUT: %C: %C.type = struct_value () [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.Op.type.ef0: type = fn_type @Destroy.WithSelf.Op.loc17 [concrete]
// CHECK:STDOUT: %Destroy.WithSelf.Op.403: %Destroy.WithSelf.Op.type.ef0 = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %A.ref: %A.type = name_ref A, file.%A.decl [concrete = constants.%A]
// CHECK:STDOUT: %A.call: init %empty_tuple.type = call %A.ref()
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %C.ref: %C.type = name_ref C, file.%C.decl [concrete = constants.%C]
// CHECK:STDOUT: %C.call: init %empty_tuple.type = call %C.ref()
// CHECK:STDOUT: %.loc13_7.1: ref %empty_tuple.type = temporary_storage
// CHECK:STDOUT: %.loc13_7.2: ref %empty_tuple.type = temporary %.loc13_7.1, %A.call
// CHECK:STDOUT: %empty_tuple.loc13: %empty_tuple.type = tuple_value () [concrete = constants.%empty_tuple]
// CHECK:STDOUT: %.loc13_7.3: %empty_tuple.type = converted %A.call, %empty_tuple.loc13 [concrete = constants.%empty_tuple]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %.loc17_7.1: ref %empty_tuple.type = temporary_storage
// CHECK:STDOUT: %.loc17_7.2: ref %empty_tuple.type = temporary %.loc17_7.1, %C.call
// CHECK:STDOUT: %empty_tuple.loc17: %empty_tuple.type = tuple_value () [concrete = constants.%empty_tuple]
// CHECK:STDOUT: %.loc17_7.3: %empty_tuple.type = converted %C.call, %empty_tuple.loc17 [concrete = constants.%empty_tuple]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %Destroy.WithSelf.Op.bound.loc17: <bound method> = bound_method %.loc17_7.2, constants.%Destroy.WithSelf.Op.403
// CHECK:STDOUT: %Destroy.WithSelf.Op.call.loc17: init %empty_tuple.type = call %Destroy.WithSelf.Op.bound.loc17(%.loc17_7.2)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %Destroy.WithSelf.Op.bound.loc13: <bound method> = bound_method %.loc13_7.2, constants.%Destroy.WithSelf.Op.403
// CHECK:STDOUT: %Destroy.WithSelf.Op.call.loc13: init %empty_tuple.type = call %Destroy.WithSelf.Op.bound.loc13(%.loc13_7.2)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Destroy.WithSelf.Op.loc17(%self.param: ref %empty_tuple.type) = "no_op";
// CHECK:STDOUT:
// CHECK:STDOUT: --- file_without_ranges.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT: %F: %F.type = 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: .F = %F.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F();
// CHECK:STDOUT:
// CHECK:STDOUT: --- explicit_dump_file.carbon
// 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: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: }
// CHECK:STDOUT:
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