| // RUN: %clang_cc1 -std=c++11 -S -triple armv7-none-eabi -emit-llvm -o - %s | FileCheck %s |
| |
| namespace reference { |
| struct A { |
| int i1, i2; |
| }; |
| |
| void single_init() { |
| // No superfluous instructions allowed here, they could be |
| // hiding extra temporaries. |
| |
| // CHECK: store i32 1, i32* |
| // CHECK-NEXT: store i32* %{{.*}}, i32** |
| const int &cri2a = 1; |
| |
| // CHECK-NEXT: store i32 1, i32* |
| // CHECK-NEXT: store i32* %{{.*}}, i32** |
| const int &cri1a = {1}; |
| |
| // CHECK-NEXT: store i32 1, i32* |
| int i = 1; |
| // CHECK-NEXT: store i32* %{{.*}}, i32** |
| int &ri1a = {i}; |
| |
| // CHECK-NEXT: bitcast |
| // CHECK-NEXT: memcpy |
| A a{1, 2}; |
| // CHECK-NEXT: store %{{.*}}* %{{.*}}, %{{.*}}** % |
| A &ra1a = {a}; |
| |
| using T = A&; |
| // CHECK-NEXT: store %{{.*}}* %{{.*}}, %{{.*}}** % |
| A &ra1b = T{a}; |
| |
| // CHECK-NEXT: ret |
| } |
| |
| void reference_to_aggregate(int i) { |
| // CHECK: getelementptr {{.*}}, i32 0, i32 0 |
| // CHECK-NEXT: store i32 1 |
| // CHECK-NEXT: getelementptr {{.*}}, i32 0, i32 1 |
| // CHECK-NEXT: %[[I1:.*]] = load i32, i32* |
| // CHECK-NEXT: store i32 %[[I1]] |
| // CHECK-NEXT: store %{{.*}}* %{{.*}}, %{{.*}}** %{{.*}}, align |
| const A &ra1{1, i}; |
| |
| // CHECK-NEXT: getelementptr inbounds [3 x i32], [3 x i32]* %{{.*}}, i{{32|64}} 0, i{{32|64}} 0 |
| // CHECK-NEXT: store i32 1 |
| // CHECK-NEXT: getelementptr inbounds i32, i32* %{{.*}}, i{{32|64}} 1 |
| // CHECK-NEXT: store i32 2 |
| // CHECK-NEXT: getelementptr inbounds i32, i32* %{{.*}}, i{{32|64}} 1 |
| // CHECK-NEXT: %[[I2:.*]] = load i32, i32* |
| // CHECK-NEXT: store i32 %[[I2]] |
| // CHECK-NEXT: store [3 x i32]* %{{.*}}, [3 x i32]** %{{.*}}, align |
| const int (&arrayRef)[] = {1, 2, i}; |
| |
| // CHECK: store %{{.*}}* @{{.*}}, %{{.*}}** %{{.*}}, align |
| const A &constra1{1, 2}; |
| |
| // CHECK-NEXT: store [3 x i32]* @{{.*}}, [3 x i32]** %{{.*}}, align |
| const int (&constarrayRef)[] = {1, 2, 3}; |
| |
| // CHECK-NEXT: ret |
| } |
| |
| struct B { |
| B(); |
| ~B(); |
| }; |
| |
| void single_init_temp_cleanup() |
| { |
| // Ensure lifetime extension. |
| |
| // CHECK: call %"struct.reference::B"* @_ZN9reference1BC1Ev |
| // CHECK-NEXT: store %{{.*}}* %{{.*}}, %{{.*}}** % |
| const B &rb{ B() }; |
| // CHECK: call %"struct.reference::B"* @_ZN9reference1BD1Ev |
| } |
| |
| } |
| |
| namespace PR23165 { |
| struct AbstractClass { |
| virtual void foo() const = 0; |
| }; |
| |
| struct ChildClass : public AbstractClass { |
| virtual void foo() const {} |
| }; |
| |
| void helper(const AbstractClass ¶m) { |
| param.foo(); |
| } |
| |
| void foo() { |
| // CHECK-LABEL: @_ZN7PR231653fooEv |
| // CHECK: call {{.*}} @_ZN7PR2316510ChildClassC1Ev |
| // CHECK: call void @_ZN7PR231656helperERKNS_13AbstractClassE |
| helper(ChildClass()); |
| } |
| |
| struct S { struct T { int a; } t; mutable int b; }; |
| void f() { |
| // CHECK-LABEL: _ZN7PR231651fEv |
| // CHECK: alloca |
| // CHECK: alloca |
| // CHECK: store |
| const S::T &r = S().t; |
| } |
| } |