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carbon-lang/toolchain/check/testdata/function/call/empty_struct.carbon
T
Jon Ross-PerkinsandRichard Smith cad4605dad Add imports of enclosing scopes. (#3575)
Namespaces are copied, which means also adding their name to the
underlying instruction. It happened not to be done previously; the name
was only in name lookup.

Since the only import supported right now is the default import,
functionality is limited; in the future I'll need to deal with namespace
vs package conflicts.

Tests of namespace imports are under "namespace" -- I figured this would
be best for scaling as more instructions get support.

This also improves some debugging-related output that I was trying to
use while trying to build the support.

---------

Co-authored-by: Richard Smith <richard@metafoo.co.uk>
2024-01-10 17:36:50 +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: --- empty_struct.carbon
// CHECK:STDOUT:
// 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 {
// CHECK:STDOUT: package: <namespace> = namespace package, {.Echo = %Echo, .Main = %Main}
// 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_ref a, %a
// CHECK:STDOUT: return %a.ref
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Main() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Echo.ref: <function> = name_ref Echo, file.%Echo
// CHECK:STDOUT: %.loc12_9.1: {} = struct_literal ()
// CHECK:STDOUT: %.loc12_9.2: {} = struct_value ()
// CHECK:STDOUT: %.loc12_9.3: {} = converted %.loc12_9.1, %.loc12_9.2
// CHECK:STDOUT: %.loc12_7: init {} = call %Echo.ref(%.loc12_9.3)
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT: