mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-29 09:24:58 +01:00
Richard Smith
87d341c61b
This is enough to support calling methods that take a `Base` or `Base*` as their `self`. But name lookup doesn't look in the base class yet, so base class methods aren't actually found.
58 lines
2.0 KiB
Plaintext
58 lines
2.0 KiB
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// AUTOUPDATE
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base class Base {
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var b: i32;
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}
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class Derived {
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extend base: Base;
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var d: i32;
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}
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fn Make() -> Derived {
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return {.base = {.b = 4}, .d = 7};
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}
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fn Access(d: Derived) -> (i32, i32) {
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return (d.d, d.base.b);
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}
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fn Convert(p: Derived*) -> Base* {
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return p;
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}
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// CHECK:STDOUT: ; ModuleID = 'base.carbon'
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// CHECK:STDOUT: source_filename = "base.carbon"
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// CHECK:STDOUT:
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// CHECK:STDOUT: define void @Make(ptr sret({ { i32 }, i32 }) %return) {
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// CHECK:STDOUT: %base = getelementptr inbounds { { i32 }, i32 }, ptr %return, i32 0, i32 0
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// CHECK:STDOUT: %b = getelementptr inbounds { i32 }, ptr %base, i32 0, i32 0
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// CHECK:STDOUT: store i32 4, ptr %b, align 4
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// CHECK:STDOUT: %d = getelementptr inbounds { { i32 }, i32 }, ptr %return, i32 0, i32 1
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// CHECK:STDOUT: store i32 7, ptr %d, align 4
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// CHECK:STDOUT: ret void
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: define void @Access(ptr sret({ i32, i32 }) %return, ptr %d) {
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// CHECK:STDOUT: %d1 = getelementptr inbounds { { i32 }, i32 }, ptr %d, i32 0, i32 1
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// CHECK:STDOUT: %1 = load i32, ptr %d1, align 4
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// CHECK:STDOUT: %base = getelementptr inbounds { { i32 }, i32 }, ptr %d, i32 0, i32 0
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// CHECK:STDOUT: %b = getelementptr inbounds { i32 }, ptr %base, i32 0, i32 0
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// CHECK:STDOUT: %2 = load i32, ptr %b, align 4
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// CHECK:STDOUT: %tuple.elem = getelementptr inbounds { i32, i32 }, ptr %return, i32 0, i32 0
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// CHECK:STDOUT: store i32 %1, ptr %tuple.elem, align 4
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// CHECK:STDOUT: %tuple.elem2 = getelementptr inbounds { i32, i32 }, ptr %return, i32 0, i32 1
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// CHECK:STDOUT: store i32 %2, ptr %tuple.elem2, align 4
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// CHECK:STDOUT: ret void
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: define ptr @Convert(ptr %p) {
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// CHECK:STDOUT: %base = getelementptr inbounds { { i32 }, i32 }, ptr %p, i32 0, i32 0
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// CHECK:STDOUT: ret ptr %base
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// CHECK:STDOUT: }
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