mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-27 22:02:33 +01:00
Add a general substitution mechanism to support substituting symbolic bindings with their values throughout symbolic constants and, more specifically, types. This is done by decomposing the constant instruction into its operands, substituting into the operands, and then rebuilding the constant value by invoking the constant evaluator. --------- Co-authored-by: Jon Ross-Perkins <jperkins@google.com> Co-authored-by: Carbon Infra Bot <carbon-external-infra@google.com>
30 lines
809 B
Plaintext
30 lines
809 B
Plaintext
// 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
|
|
|
|
interface I {
|
|
fn Assoc();
|
|
}
|
|
|
|
// There are no interesting runtime operations here, but there's no rule saying
|
|
// you can't pass a facet around at runtime, so make sure it works.
|
|
fn F(T: I) -> I { return T; }
|
|
|
|
interface J;
|
|
|
|
// Declared-but-not-defined interfaces are still complete types.
|
|
fn G(T: J) {}
|
|
|
|
// CHECK:STDOUT: ; ModuleID = 'basic.carbon'
|
|
// CHECK:STDOUT: source_filename = "basic.carbon"
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: define void @F() {
|
|
// CHECK:STDOUT: ret void
|
|
// CHECK:STDOUT: }
|
|
// CHECK:STDOUT:
|
|
// CHECK:STDOUT: define void @G() {
|
|
// CHECK:STDOUT: ret void
|
|
// CHECK:STDOUT: }
|