| // RUN: %clang_cc1 -std=c++11 -S -emit-llvm -o - %s -triple x86_64-linux-gnu | FileCheck %s |
| |
| struct A { int a, b; int f(); }; |
| |
| // CHECK: define {{.*}}@_Z3fn1i( |
| int fn1(int x) { |
| // CHECK: %[[INITLIST:.*]] = alloca %struct.A |
| // CHECK: %[[A:.*]] = getelementptr inbounds %struct.A, %struct.A* %[[INITLIST]], i32 0, i32 0 |
| // CHECK: store i32 %{{.*}}, i32* %[[A]], align 4 |
| // CHECK: %[[B:.*]] = getelementptr inbounds %struct.A, %struct.A* %[[INITLIST]], i32 0, i32 1 |
| // CHECK: store i32 5, i32* %[[B]], align 4 |
| // CHECK: call i32 @_ZN1A1fEv(%struct.A* %[[INITLIST]]) |
| return A{x, 5}.f(); |
| } |
| |
| struct B { int &r; int &f() { return r; } }; |
| |
| // CHECK: define {{.*}}@_Z3fn2Ri( |
| int &fn2(int &v) { |
| // CHECK: %[[INITLIST2:.*]] = alloca %struct.B, align 8 |
| // CHECK: %[[R:.*]] = getelementptr inbounds %struct.B, %struct.B* %[[INITLIST2:.*]], i32 0, i32 0 |
| // CHECK: store i32* %{{.*}}, i32** %[[R]], align 8 |
| // CHECK: call dereferenceable({{[0-9]+}}) i32* @_ZN1B1fEv(%struct.B* %[[INITLIST2:.*]]) |
| return B{v}.f(); |
| } |
| |
| // CHECK: define {{.*}}@__cxx_global_var_init( |
| // |
| // CHECK: call {{.*}}@_ZN14NonTrivialInit1AC1Ev( |
| // CHECK: getelementptr inbounds {{.*}}, i64 1 |
| // CHECK: br i1 |
| // |
| // CHECK: getelementptr inbounds {{.*}}, i64 1 |
| // CHECK: icmp eq {{.*}}, i64 30 |
| // CHECK: br i1 |
| // |
| // CHECK: call i32 @__cxa_atexit( |
| namespace NonTrivialInit { |
| struct A { A(); A(const A&) = delete; ~A(); }; |
| struct B { A a[20]; }; |
| // NB, this must be large enough to be worth memsetting for this test to be |
| // meaningful. |
| B b[30] = {}; |
| } |
