mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-10-04 17:13:16 +01:00
Dana Jansens
fcae9610bd
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.
155 lines
5.8 KiB
Plaintext
155 lines
5.8 KiB
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/none.carbon
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// TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
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// EXTRA-ARGS: --dump-sem-ir-ranges=if-present
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//
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// AUTOUPDATE
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// TIP: To test this file alone, run:
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// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/interface/export_name.carbon
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// TIP: To dump output, run:
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// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interface/export_name.carbon
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// ============================================================================
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// Setup files
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// ============================================================================
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// --- base.carbon
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library "[[@TEST_NAME]]";
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interface I {}
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// --- export.carbon
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library "[[@TEST_NAME]]";
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import library "base";
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export I;
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// ============================================================================
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// Test files
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// ============================================================================
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// --- use_export.carbon
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library "[[@TEST_NAME]]";
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import library "export";
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fn UseEmpty(unused i: I) {}
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// CHECK:STDOUT: --- base.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: type: type = facet_type <type> [concrete]
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// CHECK:STDOUT: %I.type: type = facet_type <@I> [concrete]
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// CHECK:STDOUT: %Self: %I.type = symbolic_binding Self, 0 [symbolic]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
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// CHECK:STDOUT: .I = %I.decl
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %I.decl: type = interface_decl @I [concrete = constants.%I.type] {} {}
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: interface @I {
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// CHECK:STDOUT: %Self: %I.type = symbolic_binding Self, 0 [symbolic = constants.%Self]
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// CHECK:STDOUT: %I.WithSelf.decl = interface_with_self_decl @I [concrete]
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// CHECK:STDOUT:
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .Self = %Self
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// CHECK:STDOUT: witness = ()
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// CHECK:STDOUT:
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// CHECK:STDOUT: !requires:
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: specific @I.WithSelf(constants.%Self) {}
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// CHECK:STDOUT:
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// CHECK:STDOUT: --- export.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: type: type = facet_type <type> [concrete]
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// CHECK:STDOUT: %I.type: type = facet_type <@I> [concrete]
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// CHECK:STDOUT: %Self: %I.type = symbolic_binding Self, 0 [symbolic]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: imports {
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// CHECK:STDOUT: %Main.I: type = import_ref Main//base, I, loaded [concrete = constants.%I.type]
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// CHECK:STDOUT: %Main.import_ref.223 = import_ref Main//base, loc4_13, unloaded
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
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// CHECK:STDOUT: .I = %I
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %default.import = import <none>
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// CHECK:STDOUT: %I: type = export I, imports.%Main.I [concrete = constants.%I.type]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: interface @I [from "base.carbon"] {
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .Self = imports.%Main.import_ref.223
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// CHECK:STDOUT: witness = ()
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// CHECK:STDOUT:
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// CHECK:STDOUT: !requires:
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: specific @I.WithSelf(constants.%Self) {}
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// CHECK:STDOUT:
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// CHECK:STDOUT: --- use_export.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: type: type = facet_type <type> [concrete]
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// CHECK:STDOUT: %I.type: type = facet_type <@I> [concrete]
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// CHECK:STDOUT: %Self: %I.type = symbolic_binding Self, 0 [symbolic]
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// CHECK:STDOUT: %pattern_type: type = pattern_type %I.type [concrete]
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// CHECK:STDOUT: %i.param_patt: %pattern_type = value_param_pattern [concrete]
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// CHECK:STDOUT: %i.patt: %pattern_type = wrapper_binding_pattern i, %i.param_patt [concrete]
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// CHECK:STDOUT: %UseEmpty.type: type = fn_type @UseEmpty [concrete]
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// CHECK:STDOUT: %UseEmpty: %UseEmpty.type = struct_value () [concrete]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: imports {
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// CHECK:STDOUT: %Main.I: type = import_ref Main//export, I, loaded [concrete = constants.%I.type]
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// CHECK:STDOUT: %Main.import_ref.30a = import_ref Main//export, inst{{[0-9A-F]+}} [indirect], unloaded
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
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// CHECK:STDOUT: .I = imports.%Main.I
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// CHECK:STDOUT: .UseEmpty = %UseEmpty.decl
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %default.import = import <none>
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// CHECK:STDOUT: %UseEmpty.decl: %UseEmpty.type = fn_decl @UseEmpty [concrete = constants.%UseEmpty] {
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// CHECK:STDOUT: %i.param_patt: %pattern_type = value_param_pattern [concrete = constants.%i.param_patt]
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// CHECK:STDOUT: %i.patt: %pattern_type = wrapper_binding_pattern i, %i.param_patt [concrete = constants.%i.patt]
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// CHECK:STDOUT: } {
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// CHECK:STDOUT: %i.param: %I.type = value_param call_param0
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// CHECK:STDOUT: %I.ref: type = name_ref I, imports.%Main.I [concrete = constants.%I.type]
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// CHECK:STDOUT: %i: %I.type = wrapper_binding i, %i.param
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// CHECK:STDOUT: }
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: interface @I [from "export.carbon"] {
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .Self = imports.%Main.import_ref.30a
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// CHECK:STDOUT: witness = ()
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// CHECK:STDOUT:
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// CHECK:STDOUT: !requires:
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @UseEmpty(%i.param: %I.type) {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: return
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: specific @I.WithSelf(constants.%Self) {
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// CHECK:STDOUT: !definition:
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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