| // RUN: %clang_cc1 -triple %itanium_abi_triple -std=c++23 %s -emit-llvm -o - | FileCheck %s |
| // RUN: %clang_cc1 -triple %itanium_abi_triple -std=c++20 %s -emit-llvm -o - | FileCheck %s |
| // RUN: %clang_cc1 -triple %itanium_abi_triple -std=c++17 %s -emit-llvm -o - | FileCheck %s |
| |
| extern int& s; |
| |
| // CHECK-LABEL: @_Z4testv() |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: [[I:%.*]] = alloca ptr, align {{.*}} |
| // CHECK-NEXT: [[X:%.*]] = load ptr, ptr @s, align {{.*}} |
| // CHECK-NEXT: store ptr [[X]], ptr [[I]], align {{.*}} |
| int& test() { |
| auto &i = s; |
| return i; |
| } |
| |
| // CHECK-LABEL: @_Z1fv( |
| // CHECK: [[X1:%.*]] = load ptr, ptr @x, align {{.*}} |
| // CHECK-NEXT: store ptr [[X1]] |
| // CHECK: [[X2:%.*]] = load ptr, ptr @x, align {{.*}} |
| // CHECK-NEXT: store ptr [[X2]] |
| // CHECK: [[X3:%.*]] = load ptr, ptr @x, align {{.*}} |
| // CHECK-NEXT: store ptr [[X3]] |
| int &ff(); |
| int &x = ff(); |
| struct A { int& x; }; |
| struct B { A x[20]; }; |
| B f() { return {x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x}; } |
