Files
carbon-lang/toolchain/check/testdata/function/declaration/fail_param_redecl.carbon
T
Geoff RomerandDana Jansens e67b6db910 Give files shorthand names in textual SemIR (#8104)
Shorthand names are intended to be used in the textual format of
references to instructions in another IR (which can't happen now, but
will be possible in a forthcoming PR). The shorthand name uses the file
name (minus the `.carbon` suffix) as a base, and if that base name is
ambiguous within the compilation, it is given a numerical suffix `.N`,
just like other textual IR names. Shorthand names are prefixed with `$`
in the textual format, to distinguish them from inst and scope names.

For example, a file `foo/bar.carbon` has the shorthand name `$bar`, and
an instruction `@baz.%qux` in that file can be referenced from another
file as `$bar.@baz.%qux`.

This PR adds `toolchain/check/testdata/basics/file_name.carbon` to test
this behavior. All other test changes are just applying this change to
the existing textual SemIR dumps.

---------

Co-authored-by: Dana Jansens <danakj@orodu.net>
2026-11-12 23:34:32 +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/int.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/function/declaration/fail_param_redecl.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/function/declaration/fail_param_redecl.carbon
// CHECK:STDERR: ╭─┤ fail_param_redecl.carbon:[[@LINE+8]]:14
// CHECK:STDERR: -> │ fn F(n: i32, n: i32);
// CHECK:STDERR: · ───┬── ┳
// CHECK:STDERR: · │ ┗━━┫ error: duplicate name `n` being declared in the same scope
// CHECK:STDERR: · │ ┃ [NameDeclDuplicate]
// CHECK:STDERR: · ╰─────────┤ name is previously declared here [NameDeclPrevious]
// CHECK:STDERR: ╰────
// CHECK:STDERR:
fn F(n: i32, n: i32);
// CHECK:STDOUT: --- fail_param_redecl.carbon = $fail_param_redecl
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: type: type = facet_type <type> [concrete]
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %Int.type: type = parameterized_class_name_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: %pattern_type.d94: type = pattern_type %i32 [concrete]
// CHECK:STDOUT: %n.param_patt: %pattern_type.d94 = value_param_pattern [concrete]
// CHECK:STDOUT: %n.patt: %pattern_type.d94 = wrapper_binding_pattern n, %n.param_patt [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: .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/parts/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: .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: %n.param_patt.loc23_7: %pattern_type.d94 = value_param_pattern [concrete = constants.%n.param_patt]
// CHECK:STDOUT: %n.patt.loc23_7: %pattern_type.d94 = wrapper_binding_pattern n, %n.param_patt.loc23_7 [concrete = constants.%n.patt]
// CHECK:STDOUT: %n.param_patt.loc23_15: %pattern_type.d94 = value_param_pattern [concrete = constants.%n.param_patt]
// CHECK:STDOUT: %n.patt.loc23_15: %pattern_type.d94 = wrapper_binding_pattern n, %n.param_patt.loc23_15 [concrete = constants.%n.patt]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %n.param.loc23_7: %i32 = value_param call_param0
// CHECK:STDOUT: %i32.loc23_9: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %n.loc23_7: %i32 = wrapper_binding n, %n.param.loc23_7
// CHECK:STDOUT: %n.param.loc23_15: %i32 = value_param call_param1
// CHECK:STDOUT: %i32.loc23_17: type = type_literal constants.%i32 [concrete = constants.%i32]
// CHECK:STDOUT: %n.loc23_15: %i32 = wrapper_binding n, %n.param.loc23_15
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%n.param.loc23_7: %i32, %n.param.loc23_15: %i32);
// CHECK:STDOUT: