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carbon-lang/toolchain/check/testdata/interface/import_interface_decl.carbon
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Jon Ross-Perkins 47081be67a Reduce test sensitivity to small import loc changes (#6145) 
Locations are similarly fragile, because adding a comment changes them.
This has made me pause when making prelude changes in #6144, so dropping
them for those cases.

Instruction ids aren't actually that interesting outside debugging, and
can be churny when doing other structural changes. I've seen this in
particular when doing singleton changes, which bump every instruction
id.

Note there are still other ways fragility from locations can crop up.
This shouldn't be considered a complete fix, but hopefully a small
improvement.
2025-09-30 17:20:14 +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/none.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/interface/import_interface_decl.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interface/import_interface_decl.carbon
// --- a.carbon
library "[[@TEST_NAME]]";
interface A;
// --- a.impl.carbon
impl library "[[@TEST_NAME]]";
// --- fail_b.carbon
library "[[@TEST_NAME]]";
interface B {}
// CHECK:STDERR: fail_b.carbon:[[@LINE+4]]:1: error: impl declared but not defined [ImplMissingDefinition]
// CHECK:STDERR: impl () as B;
// CHECK:STDERR: ^~~~~~~~~~~~~
// CHECK:STDERR:
impl () as B;
// --- b.impl.carbon
impl library "[[@TEST_NAME]]";
// CHECK:STDOUT: --- a.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %A.type: type = facet_type <@A> [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .A = %A.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %A.decl: type = interface_decl @A [concrete = constants.%A.type] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @A;
// CHECK:STDOUT:
// CHECK:STDOUT: --- a.impl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Main.A = import_ref Main//a, A, unloaded
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .A = imports.%Main.A
// CHECK:STDOUT: }
// CHECK:STDOUT: %default.import.loc1_17.1 = import <none>
// CHECK:STDOUT: %default.import.loc1_17.2 = import <none>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_b.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %B.type: type = facet_type <@B> [concrete]
// CHECK:STDOUT: %Self: %B.type = bind_symbolic_name Self, 0 [symbolic]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %B.impl_witness: <witness> = impl_witness file.%B.impl_witness_table [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .B = %B.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %B.decl: type = interface_decl @B [concrete = constants.%B.type] {} {}
// CHECK:STDOUT: impl_decl @empty_tuple.type.as.B.impl [concrete] {} {
// CHECK:STDOUT: %.loc7_7.1: %empty_tuple.type = tuple_literal ()
// CHECK:STDOUT: %.loc7_7.2: type = converted %.loc7_7.1, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
// CHECK:STDOUT: %B.ref: type = name_ref B, file.%B.decl [concrete = constants.%B.type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %B.impl_witness_table = impl_witness_table (), @empty_tuple.type.as.B.impl [concrete]
// CHECK:STDOUT: %B.impl_witness: <witness> = impl_witness %B.impl_witness_table [concrete = constants.%B.impl_witness]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @B {
// CHECK:STDOUT: %Self: %B.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %Self
// CHECK:STDOUT: witness = ()
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: impl @empty_tuple.type.as.B.impl: %.loc7_7.2 as %B.ref;
// CHECK:STDOUT:
// CHECK:STDOUT: --- b.impl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %B.type: type = facet_type <@B> [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Main.B = import_ref Main//b, B, unloaded
// CHECK:STDOUT: %Main.import_ref.5bd = import_ref Main//b, inst{{\d+}} [no loc], unloaded
// CHECK:STDOUT: %Main.import_ref.e5c: type = import_ref Main//b, loc7_7, loaded [concrete = constants.%empty_tuple.type]
// CHECK:STDOUT: %Main.import_ref.171: type = import_ref Main//b, loc7_12, loaded [concrete = constants.%B.type]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .B = imports.%Main.B
// CHECK:STDOUT: }
// CHECK:STDOUT: %default.import.loc1_17.1 = import <none>
// CHECK:STDOUT: %default.import.loc1_17.2 = import <none>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @B [from "fail_b.carbon"] {
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = imports.%Main.import_ref.5bd
// CHECK:STDOUT: witness = ()
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: impl @empty_tuple.type.as.B.impl: imports.%Main.import_ref.e5c as imports.%Main.import_ref.171 [from "fail_b.carbon"];
// CHECK:STDOUT:
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