Files
carbon-lang/toolchain/check/testdata/function/call/empty_struct.carbon
T
Jon Ross-Perkins 895e90e791 Start including the prelude for testing. (#3861)
- Adds an empty prelude.carbon file
- Imports that file in any non-Core package file
  - Adds --disable-prelude-import to avoid that
- Adds --exclude-dump-file-prefix to be able to hide files from dumping
- Used to hide core files (we can't do this by package name due to lex
dumps, for example)
- Restructures some tests to not rely on `i32`, particularly `alias`
tests (which rely on a name ref) and tests with no prelude.

I'm adding the framework for switching i32 to calling Int32 in the
prelude, but I'm running into a separate error actually switching over.
So that *mostly* works, but isn't quite ready for prime time. However,
maybe the current state of this PR is still useful to review since it
does a lot of the infrastructure work and adds the %Core everywhere?
2024-04-07 17:11:42 +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: %.1: type = struct_type {} [template]
// CHECK:STDOUT: %.2: type = tuple_type () [template]
// CHECK:STDOUT: %.3: {} = struct_value () [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = %Core
// CHECK:STDOUT: .Echo = %Echo
// CHECK:STDOUT: .Main = %Main
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT: %Echo: <function> = fn_decl @Echo [template] {
// CHECK:STDOUT: %.loc7_13.1: {} = struct_literal ()
// CHECK:STDOUT: %.loc7_13.2: type = converted %.loc7_13.1, constants.%.1 [template = constants.%.1]
// CHECK:STDOUT: %a.loc7_9.1: {} = param a
// CHECK:STDOUT: @Echo.%a: {} = bind_name a, %a.loc7_9.1
// CHECK:STDOUT: %.loc7_20.1: {} = struct_literal ()
// CHECK:STDOUT: %.loc7_20.2: type = converted %.loc7_20.1, constants.%.1 [template = constants.%.1]
// CHECK:STDOUT: %return.var: ref {} = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %Main: <function> = fn_decl @Main [template] {}
// 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 [template = file.%Echo]
// CHECK:STDOUT: %.loc12_9.1: {} = struct_literal ()
// CHECK:STDOUT: %.loc12_9.2: {} = struct_value () [template = constants.%.3]
// CHECK:STDOUT: %.loc12_9.3: {} = converted %.loc12_9.1, %.loc12_9.2 [template = constants.%.3]
// CHECK:STDOUT: %.loc12_7: init {} = call %Echo.ref(%.loc12_9.3)
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT: