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carbon-lang/toolchain/check/testdata/function/definition/implicit_import.carbon
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Richard SmithandJon Ross-Perkins 62fe0cd385 Remove the builtin IR, and instead define builtin types locally. (#3910) 
We don't need it any more, and removing it simplifies a few things:

- One fewer predefined `File` and reserved ID.
- We now have simply `Builtin` instructions for builtins, instead of
having an `ImportRef` that indirectly references a `Builtin`.
- `ConstantId`s now always refer directly to a local constant, instead
of sometimes referring to an `ImportRef` for a constant in the builtins
IR.

---------

Co-authored-by: Jon Ross-Perkins <jperkins@google.com>
2024-04-24 18:32:59 +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
// --- basic.carbon
library "basic" api;
fn A();
// --- basic.impl.carbon
library "basic" impl;
fn A() {}
// --- extern_api.carbon
library "extern_api" api;
extern fn A();
// --- fail_extern_api.impl.carbon
library "extern_api" impl;
// CHECK:STDERR: fail_extern_api.impl.carbon:[[@LINE+10]]:1: ERROR: Redeclarations of `fn A` in the same library must match use of `extern`.
// CHECK:STDERR: fn A() {}
// CHECK:STDERR: ^~~~~~~~
// CHECK:STDERR: fail_extern_api.impl.carbon:[[@LINE-5]]:1: In import.
// CHECK:STDERR: library "extern_api" impl;
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: extern_api.carbon:4:1: Previously declared here.
// CHECK:STDERR: extern fn A();
// CHECK:STDERR: ^~~~~~~~~~~~~~
// CHECK:STDERR:
fn A() {}
// --- extern_impl.carbon
library "extern_impl" api;
fn A();
// --- fail_extern_impl.impl.carbon
library "extern_impl" impl;
// CHECK:STDERR: fail_extern_impl.impl.carbon:[[@LINE+4]]:1: ERROR: `extern` not allowed on `fn` declaration that provides a definition.
// CHECK:STDERR: extern fn A() {}
// CHECK:STDERR: ^~~~~~
// CHECK:STDERR:
extern fn A() {}
// --- redecl_after_def.carbon
library "redecl_after_def" api;
fn A() {}
// --- fail_redecl_after_def.impl.carbon
library "redecl_after_def" impl;
// CHECK:STDERR: fail_redecl_after_def.impl.carbon:[[@LINE+10]]:1: ERROR: Redeclaration of `fn A` is redundant.
// CHECK:STDERR: fn A();
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_redecl_after_def.impl.carbon:[[@LINE-5]]:1: In import.
// CHECK:STDERR: library "redecl_after_def" impl;
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: redecl_after_def.carbon:4:1: Previously declared here.
// CHECK:STDERR: fn A() {}
// CHECK:STDERR: ^~~~~~~~
// CHECK:STDERR:
fn A();
// --- redef_after_def.carbon
library "redef_after_def" api;
fn A() {}
// --- fail_redef_after_def.impl.carbon
library "redef_after_def" impl;
// CHECK:STDERR: fail_redef_after_def.impl.carbon:[[@LINE+9]]:1: ERROR: Redefinition of `fn A`.
// CHECK:STDERR: fn A() {}
// CHECK:STDERR: ^~~~~~~~
// CHECK:STDERR: fail_redef_after_def.impl.carbon:[[@LINE-5]]:1: In import.
// CHECK:STDERR: library "redef_after_def" impl;
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: redef_after_def.carbon:4:1: Previously defined here.
// CHECK:STDERR: fn A() {}
// CHECK:STDERR: ^~~~~~~~
fn A() {}
// CHECK:STDOUT: --- basic.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = %Core
// CHECK:STDOUT: .A = %A
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT: %A: <function> = fn_decl @A [template] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @A();
// CHECK:STDOUT:
// CHECK:STDOUT: --- basic.impl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = %Core
// CHECK:STDOUT: .A = %A
// CHECK:STDOUT: }
// CHECK:STDOUT: %import_ref: <function> = import_ref ir0, inst+2, loaded [template = imports.%A]
// CHECK:STDOUT: %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT: %A: <function> = fn_decl @A [template] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @A() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- extern_api.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = %Core
// CHECK:STDOUT: .A = %A
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT: %A: <function> = fn_decl @A [template] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: extern fn @A();
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_extern_api.impl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = %Core
// CHECK:STDOUT: .A = %A
// CHECK:STDOUT: }
// CHECK:STDOUT: %import_ref: <function> = import_ref ir0, inst+2, loaded [template = imports.%A]
// CHECK:STDOUT: %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT: %A: <function> = fn_decl @A [template] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @A() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- extern_impl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = %Core
// CHECK:STDOUT: .A = %A
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT: %A: <function> = fn_decl @A [template] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @A();
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_extern_impl.impl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = %Core
// CHECK:STDOUT: .A = %A
// CHECK:STDOUT: }
// CHECK:STDOUT: %import_ref: <function> = import_ref ir0, inst+2, loaded [template = imports.%A]
// CHECK:STDOUT: %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT: %A: <function> = fn_decl @A [template] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @A() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- redecl_after_def.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = %Core
// CHECK:STDOUT: .A = %A
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT: %A: <function> = fn_decl @A [template] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @A() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_redecl_after_def.impl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = %Core
// CHECK:STDOUT: .A = %A
// CHECK:STDOUT: }
// CHECK:STDOUT: %import_ref: <function> = import_ref ir0, inst+2, loaded [template = imports.%A]
// CHECK:STDOUT: %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT: %A: <function> = fn_decl @A [template] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @A();
// CHECK:STDOUT:
// CHECK:STDOUT: --- redef_after_def.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = %Core
// CHECK:STDOUT: .A = %A
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT: %A: <function> = fn_decl @A [template] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @A() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_redef_after_def.impl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = %Core
// CHECK:STDOUT: .A = %A
// CHECK:STDOUT: }
// CHECK:STDOUT: %import_ref: <function> = import_ref ir0, inst+2, loaded [template = imports.%A]
// CHECK:STDOUT: %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT: %A: <function> = fn_decl @A [template] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @A() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
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