Files
carbon-lang/toolchain/check/testdata/interface/default_fn.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
class C {
interface I {
// TODO: Use `default` here.
fn F() {
// I and F are both complete here, and the impl below is in scope.
var c: C = {};
c.(I.F)();
}
}
impl C as I {
fn F() {}
}
}
// CHECK:STDOUT: --- default_fn.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %C: type = class_type @C [template]
// CHECK:STDOUT: %.1: type = interface_type @I [template]
// CHECK:STDOUT: %.2: type = assoc_entity_type @I, <function> [template]
// CHECK:STDOUT: %.3: <associated <function> in I> = assoc_entity element0, @I.%F [template]
// CHECK:STDOUT: %.4: <witness> = interface_witness (@impl.%F) [template]
// CHECK:STDOUT: %.5: type = struct_type {} [template]
// CHECK:STDOUT: %.6: type = tuple_type () [template]
// CHECK:STDOUT: %.7: type = ptr_type {} [template]
// CHECK:STDOUT: %.8: C = struct_value () [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = %Core
// CHECK:STDOUT: .C = %C.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT: %C.decl: type = class_decl @C [template = constants.%C] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @I {
// CHECK:STDOUT: %Self: I = bind_symbolic_name Self [symbolic]
// CHECK:STDOUT: %F: <function> = fn_decl @F.1 [template] {}
// CHECK:STDOUT: %.loc10: <associated <function> in I> = assoc_entity element0, %F [template = constants.%.3]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %Self
// CHECK:STDOUT: .F = %.loc10
// CHECK:STDOUT: witness = (%F)
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: impl @impl: C as I {
// CHECK:STDOUT: %F: <function> = fn_decl @F.2 [template] {}
// CHECK:STDOUT: %.1: <witness> = interface_witness (%F) [template = constants.%.4]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .F = %F
// CHECK:STDOUT: witness = %.1
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C {
// CHECK:STDOUT: %I.decl: type = interface_decl @I [template = constants.%.1] {}
// CHECK:STDOUT: impl_decl @impl {
// CHECK:STDOUT: %C.ref: type = name_ref C, file.%C.decl [template = constants.%C]
// CHECK:STDOUT: %I.ref: type = name_ref I, %I.decl [template = constants.%.1]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%C
// CHECK:STDOUT: .I = %I.decl
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F.1() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %C.ref: type = name_ref C, file.%C.decl [template = constants.%C]
// CHECK:STDOUT: %c.var: ref C = var c
// CHECK:STDOUT: %c: ref C = bind_name c, %c.var
// CHECK:STDOUT: %.loc12_19.1: {} = struct_literal ()
// CHECK:STDOUT: %.loc12_19.2: init C = class_init (), %c.var [template = constants.%.8]
// CHECK:STDOUT: %.loc12_19.3: init C = converted %.loc12_19.1, %.loc12_19.2 [template = constants.%.8]
// CHECK:STDOUT: assign %c.var, %.loc12_19.3
// CHECK:STDOUT: %c.ref: ref C = name_ref c, %c
// CHECK:STDOUT: %I.ref: type = name_ref I, @C.%I.decl [template = constants.%.1]
// CHECK:STDOUT: %F.ref: <associated <function> in I> = name_ref F, @I.%.loc10 [template = constants.%.3]
// CHECK:STDOUT: %.1: <function> = interface_witness_access @impl.%.1, element0 [template = @impl.%F]
// CHECK:STDOUT: %.loc13: init () = call %.1()
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F.2() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT: