// 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 { var a: (i32, i32, i32); } fn F(c: C) -> i32 { // TODO: `c.a` is a value expression here, which forces a value binding as // part of the member access, creating a tuple value temporary. We could // defer performing the value binding to avoid creating this temporary. return c.a[1]; } // CHECK:STDOUT: ; ModuleID = 'value_access.carbon' // CHECK:STDOUT: source_filename = "value_access.carbon" // CHECK:STDOUT: // CHECK:STDOUT: define i32 @F(ptr %c) { // CHECK:STDOUT: %a = getelementptr inbounds { { i32, i32, i32 } }, ptr %c, i32 0, i32 0 // CHECK:STDOUT: %tuple.elem = getelementptr inbounds { i32, i32, i32 }, ptr %a, i32 0, i32 0 // CHECK:STDOUT: %1 = load i32, ptr %tuple.elem, align 4 // CHECK:STDOUT: %tuple.elem1 = getelementptr inbounds { i32, i32, i32 }, ptr %a, i32 0, i32 1 // CHECK:STDOUT: %2 = load i32, ptr %tuple.elem1, align 4 // CHECK:STDOUT: %tuple.elem2 = getelementptr inbounds { i32, i32, i32 }, ptr %a, i32 0, i32 2 // CHECK:STDOUT: %3 = load i32, ptr %tuple.elem2, align 4 // CHECK:STDOUT: %tuple = alloca { i32, i32, i32 }, align 8 // CHECK:STDOUT: %4 = getelementptr inbounds { i32, i32, i32 }, ptr %tuple, i32 0, i32 0 // CHECK:STDOUT: store i32 %1, ptr %4, align 4 // CHECK:STDOUT: %5 = getelementptr inbounds { i32, i32, i32 }, ptr %tuple, i32 0, i32 1 // CHECK:STDOUT: store i32 %2, ptr %5, align 4 // CHECK:STDOUT: %6 = getelementptr inbounds { i32, i32, i32 }, ptr %tuple, i32 0, i32 2 // CHECK:STDOUT: store i32 %3, ptr %6, align 4 // CHECK:STDOUT: %tuple.index = getelementptr inbounds { i32, i32, i32 }, ptr %tuple, i32 0, i32 1 // CHECK:STDOUT: %tuple.index.load = load i32, ptr %tuple.index, align 4 // CHECK:STDOUT: ret i32 %tuple.index.load // CHECK:STDOUT: }