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carbon-lang/toolchain/check/testdata/function/call/empty_struct.carbon
T
Richard Smith 71aa4a45be Distinguish between name IDs and string IDs in the type system. (#3341)
Add a `NameId` that is effectively just a wrapper around a `StringId`,
with
some additional predefined values for names that don't correspond to
strings, such as the name of `self` or the function's return slot.
2023-11-09 16:51:36 +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
fn Echo(a: {}) -> {} {
return a;
}
fn Main() {
Echo({});
}
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %.loc7_13.1: type = struct_type {}
// CHECK:STDOUT: %.loc7_13.2: type = tuple_type ()
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file "empty_struct.carbon" {
// CHECK:STDOUT: %Echo: <function> = fn_decl @Echo
// CHECK:STDOUT: %Main: <function> = fn_decl @Main
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Echo(%a: {}) -> {} {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %a.ref: {} = name_reference a, %a
// CHECK:STDOUT: return %a.ref
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Main() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Echo.ref: <function> = name_reference Echo, file.%Echo
// CHECK:STDOUT: %.loc12_9.1: {} = struct_literal ()
// CHECK:STDOUT: %.loc12_9.2: {} = struct_value %.loc12_9.1, ()
// CHECK:STDOUT: %.loc12_7: init {} = call %Echo.ref(%.loc12_9.2)
// CHECK:STDOUT: return
// CHECK:STDOUT: }