// RUN: %clang_cc1 -emit-llvm %s -o - -triple=x86_64-apple-darwin9 -std=c++11 | FileCheck %s -check-prefixes=CHECK,NULL-INVALID,CHECK-CXX11 // RUN: %clang_cc1 -emit-llvm %s -o - -triple=x86_64-apple-darwin9 -std=c++17 | FileCheck %s -check-prefixes=CHECK,NULL-INVALID,CHECK-CXX17 // RUN: %clang_cc1 -emit-llvm %s -o - -triple=x86_64-apple-darwin9 -std=c++11 -fno-delete-null-pointer-checks | FileCheck %s -check-prefixes=CHECK,NULL-VALID,CHECK-CXX11 namespace PR16263 { const unsigned int n = 1234; extern const int &r = (const int&)n; // CHECK: @_ZGRN7PR162631rE_ = internal constant i32 1234, // CHECK: @_ZN7PR162631rE = constant i32* @_ZGRN7PR162631rE_, extern const int &s = reinterpret_cast(n); // CHECK: @_ZN7PR16263L1nE = internal constant i32 1234, align 4 // CHECK: @_ZN7PR162631sE = constant i32* @_ZN7PR16263L1nE, align 8 struct A { int n; }; struct B { int n; }; struct C : A, B {}; extern const A &&a = (A&&)(A&&)(C&&)(C{}); // CHECK: @_ZGRN7PR162631aE_ = internal global {{.*}} zeroinitializer, // CHECK: @_ZN7PR162631aE = constant {{.*}} bitcast ({{.*}}* @_ZGRN7PR162631aE_ to extern const int &&t = ((B&&)C{}).n; // CHECK: @_ZGRN7PR162631tE_ = internal global {{.*}} zeroinitializer, // CHECK: @_ZN7PR162631tE = constant i32* {{.*}}* @_ZGRN7PR162631tE_ {{.*}} 4 struct D { double d; C c; }; extern const int &&u = (123, static_cast(0, ((D&&)D{}).*&D::c).n); // CHECK: @_ZGRN7PR162631uE_ = internal global {{.*}} zeroinitializer // CHECK: @_ZN7PR162631uE = constant i32* {{.*}} @_ZGRN7PR162631uE_ {{.*}} 12 } namespace PR20227 { struct A { ~A(); }; struct B { virtual ~B(); }; struct C : B {}; A &&a = dynamic_cast(A{}); // CHECK: @_ZGRN7PR202271aE_ = internal global B &&b = dynamic_cast(dynamic_cast(C{})); // CHECK: @_ZGRN7PR202271bE_ = internal global B &&c = static_cast(static_cast(C{})); // CHECK: @_ZGRN7PR202271cE_ = internal global } namespace BraceInit { typedef const int &CIR; CIR x = CIR{3}; // CHECK-CXX11: @_ZGRN9BraceInit1xE_ = internal constant i32 3 // FIXME: This should still be emitted as 'constant' in C++17. // CHECK-CXX17: @_ZGRN9BraceInit1xE_ = internal global i32 3 // CHECK: @_ZN9BraceInit1xE = constant i32* @_ZGRN9BraceInit1xE_ } struct A { A(); ~A(); void f(); }; void f1() { // CHECK: call void @_ZN1AC1Ev // CHECK: call void @_ZN1AD1Ev (void)A(); // CHECK: call void @_ZN1AC1Ev // CHECK: call void @_ZN1AD1Ev A().f(); } // Function calls struct B { B(); ~B(); }; B g(); void f2() { // CHECK-NOT: call void @_ZN1BC1Ev // CHECK: call void @_ZN1BD1Ev (void)g(); } // Member function calls struct C { C(); ~C(); C f(); }; void f3() { // CHECK: call void @_ZN1CC1Ev // CHECK: call void @_ZN1CD1Ev // CHECK: call void @_ZN1CD1Ev C().f(); } // Function call operator struct D { D(); ~D(); D operator()(); }; void f4() { // CHECK: call void @_ZN1DC1Ev // CHECK: call void @_ZN1DD1Ev // CHECK: call void @_ZN1DD1Ev D()(); } // Overloaded operators struct E { E(); ~E(); E operator+(const E&); E operator!(); }; void f5() { // CHECK: call void @_ZN1EC1Ev // CHECK: call void @_ZN1EC1Ev // CHECK: call void @_ZN1ED1Ev // CHECK: call void @_ZN1ED1Ev // CHECK: call void @_ZN1ED1Ev E() + E(); // CHECK: call void @_ZN1EC1Ev // CHECK: call void @_ZN1ED1Ev // CHECK: call void @_ZN1ED1Ev !E(); } struct F { F(); ~F(); F& f(); }; void f6() { // CHECK: call void @_ZN1FC1Ev // CHECK: call void @_ZN1FD1Ev F().f(); } struct G { G(); G(A); ~G(); operator A(); }; void a(const A&); void f7() { // CHECK: call void @_ZN1AC1Ev // CHECK: call void @_Z1aRK1A // CHECK: call void @_ZN1AD1Ev a(A()); // CHECK: call void @_ZN1GC1Ev // CHECK: call void @_ZN1Gcv1AEv // CHECK: call void @_Z1aRK1A // CHECK: call void @_ZN1AD1Ev // CHECK: call void @_ZN1GD1Ev a(G()); } namespace PR5077 { struct A { A(); ~A(); int f(); }; void f(); int g(const A&); struct B { int a1; int a2; B(); ~B(); }; B::B() // CHECK: call void @_ZN6PR50771AC1Ev // CHECK: call i32 @_ZN6PR50771A1fEv // CHECK: call void @_ZN6PR50771AD1Ev : a1(A().f()) // CHECK: call void @_ZN6PR50771AC1Ev // CHECK: call i32 @_ZN6PR50771gERKNS_1AE // CHECK: call void @_ZN6PR50771AD1Ev , a2(g(A())) { // CHECK: call void @_ZN6PR50771fEv f(); } } A f8() { // CHECK: call void @_ZN1AC1Ev // CHECK-NOT: call void @_ZN1AD1Ev return A(); // CHECK: ret void } struct H { H(); ~H(); H(const H&); }; void f9(H h) { // CHECK: call void @_ZN1HC1Ev // CHECK: call void @_Z2f91H // CHECK: call void @_ZN1HD1Ev f9(H()); // CHECK: call void @_ZN1HC1ERKS_ // CHECK: call void @_Z2f91H // CHECK: call void @_ZN1HD1Ev f9(h); } void f10(const H&); void f11(H h) { // CHECK: call void @_ZN1HC1Ev // CHECK: call void @_Z3f10RK1H // CHECK: call void @_ZN1HD1Ev f10(H()); // CHECK: call void @_Z3f10RK1H // CHECK-NOT: call void @_ZN1HD1Ev // CHECK: ret void f10(h); } // PR5808 struct I { I(const char *); ~I(); }; // CHECK: _Z3f12v I f12() { // CHECK: call void @_ZN1IC1EPKc // CHECK-NOT: call void @_ZN1ID1Ev // CHECK: ret void return "Hello"; } // PR5867 namespace PR5867 { struct S { S(); S(const S &); ~S(); }; void f(S, int); // CHECK-LABEL: define void @_ZN6PR58671gEv void g() { // CHECK: call void @_ZN6PR58671SC1Ev // CHECK-NEXT: call void @_ZN6PR58671fENS_1SEi // CHECK-NEXT: call void @_ZN6PR58671SD1Ev // CHECK-NEXT: ret void (f)(S(), 0); } // CHECK-LABEL: define linkonce_odr void @_ZN6PR58672g2IiEEvT_ template void g2(T) { // CHECK: call void @_ZN6PR58671SC1Ev // CHECK-NEXT: call void @_ZN6PR58671fENS_1SEi // CHECK-NEXT: call void @_ZN6PR58671SD1Ev // CHECK-NEXT: ret void (f)(S(), 0); } void h() { g2(17); } } // PR6199 namespace PR6199 { struct A { ~A(); }; struct B { operator A(); }; // CHECK-LABEL: define weak_odr void @_ZN6PR61992f2IiEENS_1AET_ template A f2(T) { B b; // CHECK: call void @_ZN6PR61991BcvNS_1AEEv // CHECK-NEXT: ret void return b; } template A f2(int); } namespace T12 { struct A { A(); ~A(); int f(); }; int& f(int); // CHECK-LABEL: define void @_ZN3T121gEv void g() { // CHECK: call void @_ZN3T121AC1Ev // CHECK-NEXT: call i32 @_ZN3T121A1fEv( // CHECK-NEXT: call dereferenceable({{[0-9]+}}) i32* @_ZN3T121fEi( // CHECK-NEXT: call void @_ZN3T121AD1Ev( int& i = f(A().f()); } } namespace PR6648 { struct B { ~B(); }; B foo; struct D; D& zed(B); void foobar() { // NULL-INVALID: call nonnull %"struct.PR6648::D"* @_ZN6PR66483zedENS_1BE // NULL-VALID: call %"struct.PR6648::D"* @_ZN6PR66483zedENS_1BE zed(foo); } } namespace UserConvertToValue { struct X { X(int); X(const X&); ~X(); }; void f(X); // CHECK: void @_ZN18UserConvertToValue1gEv() void g() { // CHECK: call void @_ZN18UserConvertToValue1XC1Ei // CHECK: call void @_ZN18UserConvertToValue1fENS_1XE // CHECK: call void @_ZN18UserConvertToValue1XD1Ev // CHECK: ret void f(1); } } namespace PR7556 { struct A { ~A(); }; struct B { int i; ~B(); }; struct C { int C::*pm; ~C(); }; // CHECK-LABEL: define void @_ZN6PR75563fooEv() void foo() { // CHECK: call void @_ZN6PR75561AD1Ev A(); // CHECK: call void @llvm.memset.p0i8.i64 // CHECK: call void @_ZN6PR75561BD1Ev B(); // CHECK: call void @llvm.memcpy.p0i8.p0i8.i64 // CHECK: call void @_ZN6PR75561CD1Ev C(); // CHECK-NEXT: ret void } } namespace Elision { struct A { A(); A(const A &); ~A(); void *p; void foo() const; }; void foo(); A fooA(); void takeA(A a); // CHECK-LABEL: define void @_ZN7Elision5test0Ev() void test0() { // CHECK: [[I:%.*]] = alloca [[A:%.*]], align 8 // CHECK-NEXT: [[J:%.*]] = alloca [[A]], align 8 // CHECK-NEXT: [[T0:%.*]] = alloca [[A]], align 8 // CHECK-NEXT: [[K:%.*]] = alloca [[A]], align 8 // CHECK-NEXT: [[T1:%.*]] = alloca [[A]], align 8 // CHECK-NEXT: call void @_ZN7Elision3fooEv() // CHECK-NEXT: call void @_ZN7Elision1AC1Ev([[A]]* [[I]]) A i = (foo(), A()); // CHECK-NEXT: call void @_ZN7Elision4fooAEv([[A]]* sret [[T0]]) // CHECK-NEXT: call void @_ZN7Elision1AC1Ev([[A]]* [[J]]) // CHECK-NEXT: call void @_ZN7Elision1AD1Ev([[A]]* [[T0]]) A j = (fooA(), A()); // CHECK-NEXT: call void @_ZN7Elision1AC1Ev([[A]]* [[T1]]) // CHECK-NEXT: call void @_ZN7Elision4fooAEv([[A]]* sret [[K]]) // CHECK-NEXT: call void @_ZN7Elision1AD1Ev([[A]]* [[T1]]) A k = (A(), fooA()); // CHECK-NEXT: call void @_ZN7Elision1AD1Ev([[A]]* [[K]]) // CHECK-NEXT: call void @_ZN7Elision1AD1Ev([[A]]* [[J]]) // CHECK-NEXT: call void @_ZN7Elision1AD1Ev([[A]]* [[I]]) } // CHECK-LABEL: define void @_ZN7Elision5test1EbNS_1AE( void test1(bool c, A x) { // CHECK: [[I:%.*]] = alloca [[A]], align 8 // CHECK-NEXT: [[J:%.*]] = alloca [[A]], align 8 // CHECK: call void @_ZN7Elision1AC1Ev([[A]]* [[I]]) // CHECK: call void @_ZN7Elision1AC1ERKS0_([[A]]* [[I]], [[A]]* dereferenceable({{[0-9]+}}) [[X:%.*]]) A i = (c ? A() : x); // CHECK: call void @_ZN7Elision1AC1ERKS0_([[A]]* [[J]], [[A]]* dereferenceable({{[0-9]+}}) [[X]]) // CHECK: call void @_ZN7Elision1AC1Ev([[A]]* [[J]]) A j = (c ? x : A()); // CHECK: call void @_ZN7Elision1AD1Ev([[A]]* [[J]]) // CHECK-NEXT: call void @_ZN7Elision1AD1Ev([[A]]* [[I]]) } // CHECK: define void @_ZN7Elision5test2Ev([[A]]* noalias sret A test2() { // CHECK: call void @_ZN7Elision3fooEv() // CHECK-NEXT: call void @_ZN7Elision1AC1Ev([[A]]* [[RET:%.*]]) // CHECK-NEXT: ret void return (foo(), A()); } // CHECK: define void @_ZN7Elision5test3EiNS_1AE([[A]]* noalias sret A test3(int v, A x) { if (v < 5) // CHECK: call void @_ZN7Elision1AC1Ev([[A]]* [[RET:%.*]]) // CHECK: call void @_ZN7Elision1AC1ERKS0_([[A]]* [[RET]], [[A]]* dereferenceable({{[0-9]+}}) [[X:%.*]]) return (v < 0 ? A() : x); else // CHECK: call void @_ZN7Elision1AC1ERKS0_([[A]]* [[RET]], [[A]]* dereferenceable({{[0-9]+}}) [[X]]) // CHECK: call void @_ZN7Elision1AC1Ev([[A]]* [[RET]]) return (v > 10 ? x : A()); // CHECK: ret void } // CHECK-LABEL: define void @_ZN7Elision5test4Ev() void test4() { // CHECK: [[X:%.*]] = alloca [[A]], align 8 // CHECK-NEXT: [[XS:%.*]] = alloca [2 x [[A]]], align 16 // CHECK-NEXT: call void @_ZN7Elision1AC1Ev([[A]]* [[X]]) A x; // CHECK-NEXT: [[XS0:%.*]] = getelementptr inbounds [2 x [[A]]], [2 x [[A]]]* [[XS]], i64 0, i64 0 // CHECK-NEXT: call void @_ZN7Elision1AC1Ev([[A]]* [[XS0]]) // CHECK-NEXT: [[XS1:%.*]] = getelementptr inbounds [[A]], [[A]]* [[XS0]], i64 1 // CHECK-NEXT: call void @_ZN7Elision1AC1ERKS0_([[A]]* [[XS1]], [[A]]* dereferenceable({{[0-9]+}}) [[X]]) A xs[] = { A(), x }; // CHECK-NEXT: [[BEGIN:%.*]] = getelementptr inbounds [2 x [[A]]], [2 x [[A]]]* [[XS]], i32 0, i32 0 // CHECK-NEXT: [[END:%.*]] = getelementptr inbounds [[A]], [[A]]* [[BEGIN]], i64 2 // CHECK-NEXT: br label // CHECK: [[AFTER:%.*]] = phi [[A]]* // CHECK-NEXT: [[CUR:%.*]] = getelementptr inbounds [[A]], [[A]]* [[AFTER]], i64 -1 // CHECK-NEXT: call void @_ZN7Elision1AD1Ev([[A]]* [[CUR]]) // CHECK-NEXT: [[T0:%.*]] = icmp eq [[A]]* [[CUR]], [[BEGIN]] // CHECK-NEXT: br i1 [[T0]], // CHECK: call void @_ZN7Elision1AD1Ev([[A]]* [[X]]) } // rdar://problem/8433352 // CHECK: define void @_ZN7Elision5test5Ev([[A]]* noalias sret struct B { A a; B(); }; A test5() { // CHECK: [[AT0:%.*]] = alloca [[A]], align 8 // CHECK-NEXT: [[BT0:%.*]] = alloca [[B:%.*]], align 8 // CHECK-NEXT: [[X:%.*]] = alloca [[A]], align 8 // CHECK-NEXT: [[BT1:%.*]] = alloca [[B]], align 8 // CHECK-NEXT: [[BT2:%.*]] = alloca [[B]], align 8 // CHECK: call void @_ZN7Elision1BC1Ev([[B]]* [[BT0]]) // CHECK-NEXT: [[AM:%.*]] = getelementptr inbounds [[B]], [[B]]* [[BT0]], i32 0, i32 0 // CHECK-NEXT: call void @_ZN7Elision1AC1ERKS0_([[A]]* [[AT0]], [[A]]* dereferenceable({{[0-9]+}}) [[AM]]) // CHECK-NEXT: call void @_ZN7Elision5takeAENS_1AE([[A]]* [[AT0]]) // CHECK-NEXT: call void @_ZN7Elision1AD1Ev([[A]]* [[AT0]]) // CHECK-NEXT: call void @_ZN7Elision1BD1Ev([[B]]* [[BT0]]) takeA(B().a); // CHECK-NEXT: call void @_ZN7Elision1BC1Ev([[B]]* [[BT1]]) // CHECK-NEXT: [[AM:%.*]] = getelementptr inbounds [[B]], [[B]]* [[BT1]], i32 0, i32 0 // CHECK-NEXT: call void @_ZN7Elision1AC1ERKS0_([[A]]* [[X]], [[A]]* dereferenceable({{[0-9]+}}) [[AM]]) // CHECK-NEXT: call void @_ZN7Elision1BD1Ev([[B]]* [[BT1]]) A x = B().a; // CHECK-NEXT: call void @_ZN7Elision1BC1Ev([[B]]* [[BT2]]) // CHECK-NEXT: [[AM:%.*]] = getelementptr inbounds [[B]], [[B]]* [[BT2]], i32 0, i32 0 // CHECK-NEXT: call void @_ZN7Elision1AC1ERKS0_([[A]]* [[RET:%.*]], [[A]]* dereferenceable({{[0-9]+}}) [[AM]]) // CHECK-NEXT: call void @_ZN7Elision1BD1Ev([[B]]* [[BT2]]) return B().a; // CHECK: call void @_ZN7Elision1AD1Ev([[A]]* [[X]]) } // Reduced from webkit. // CHECK: define void @_ZN7Elision5test6EPKNS_1CE([[C:%.*]]* struct C { operator A() const; }; void test6(const C *x) { // CHECK: [[T0:%.*]] = alloca [[A]], align 8 // CHECK: [[X:%.*]] = load [[C]]*, [[C]]** {{%.*}}, align 8 // CHECK-NEXT: call void @_ZNK7Elision1CcvNS_1AEEv([[A]]* sret [[T0]], [[C]]* [[X]]) // CHECK-NEXT: call void @_ZNK7Elision1A3fooEv([[A]]* [[T0]]) // CHECK-NEXT: call void @_ZN7Elision1AD1Ev([[A]]* [[T0]]) // CHECK-NEXT: ret void A(*x).foo(); } } namespace PR8623 { struct A { A(int); ~A(); }; // CHECK-LABEL: define void @_ZN6PR86233fooEb( void foo(bool b) { // CHECK: [[TMP:%.*]] = alloca [[A:%.*]], align 1 // CHECK-NEXT: [[LCONS:%.*]] = alloca i1 // CHECK-NEXT: [[RCONS:%.*]] = alloca i1 // CHECK: store i1 false, i1* [[LCONS]] // CHECK-NEXT: store i1 false, i1* [[RCONS]] // CHECK-NEXT: br i1 // CHECK: call void @_ZN6PR86231AC1Ei([[A]]* [[TMP]], i32 2) // CHECK-NEXT: store i1 true, i1* [[LCONS]] // CHECK-NEXT: br label // CHECK: call void @_ZN6PR86231AC1Ei([[A]]* [[TMP]], i32 3) // CHECK-NEXT: store i1 true, i1* [[RCONS]] // CHECK-NEXT: br label // CHECK: load i1, i1* [[RCONS]] // CHECK-NEXT: br i1 // CHECK: call void @_ZN6PR86231AD1Ev([[A]]* [[TMP]]) // CHECK-NEXT: br label // CHECK: load i1, i1* [[LCONS]] // CHECK-NEXT: br i1 // CHECK: call void @_ZN6PR86231AD1Ev([[A]]* [[TMP]]) // CHECK-NEXT: br label // CHECK: ret void b ? A(2) : A(3); } } namespace PR11365 { struct A { A(); ~A(); }; // CHECK-LABEL: define void @_ZN7PR113653fooEv( void foo() { // CHECK: [[BEGIN:%.*]] = getelementptr inbounds [3 x [[A:%.*]]], [3 x [[A:%.*]]]* {{.*}}, i32 0, i32 0 // CHECK-NEXT: [[END:%.*]] = getelementptr inbounds [[A]], [[A]]* [[BEGIN]], i64 3 // CHECK-NEXT: br label // CHECK: [[PHI:%.*]] = phi // CHECK-NEXT: [[ELEM:%.*]] = getelementptr inbounds [[A]], [[A]]* [[PHI]], i64 -1 // CHECK-NEXT: call void @_ZN7PR113651AD1Ev([[A]]* [[ELEM]]) // CHECK-NEXT: icmp eq [[A]]* [[ELEM]], [[BEGIN]] // CHECK-NEXT: br i1 (void) (A [3]) {}; } } namespace AssignmentOp { struct A { ~A(); }; struct B { A operator=(const B&); }; struct C : B { B b1, b2; }; // CHECK-LABEL: define void @_ZN12AssignmentOp1fE void f(C &c1, const C &c2) { // CHECK: call {{.*}} @_ZN12AssignmentOp1CaSERKS0_( c1 = c2; } // Ensure that each 'A' temporary is destroyed before the next subobject is // copied. // CHECK: define {{.*}} @_ZN12AssignmentOp1CaSERKS0_( // CHECK: call {{.*}} @_ZN12AssignmentOp1BaSERKS // CHECK: call {{.*}} @_ZN12AssignmentOp1AD1Ev( // CHECK: call {{.*}} @_ZN12AssignmentOp1BaSERKS // CHECK: call {{.*}} @_ZN12AssignmentOp1AD1Ev( // CHECK: call {{.*}} @_ZN12AssignmentOp1BaSERKS // CHECK: call {{.*}} @_ZN12AssignmentOp1AD1Ev( } namespace BindToSubobject { struct A { A(); ~A(); int a; }; void f(), g(); // CHECK: call void @_ZN15BindToSubobject1AC1Ev({{.*}} @_ZGRN15BindToSubobject1aE_) // CHECK: call i32 @__cxa_atexit({{.*}} bitcast ({{.*}} @_ZN15BindToSubobject1AD1Ev to void (i8*)*), i8* bitcast ({{.*}} @_ZGRN15BindToSubobject1aE_ to i8*), i8* @__dso_handle) // CHECK: store i32* getelementptr inbounds ({{.*}} @_ZGRN15BindToSubobject1aE_, i32 0, i32 0), i32** @_ZN15BindToSubobject1aE, align 8 int &&a = A().a; // CHECK: call void @_ZN15BindToSubobject1fEv() // CHECK: call void @_ZN15BindToSubobject1AC1Ev({{.*}} @_ZGRN15BindToSubobject1bE_) // CHECK: call i32 @__cxa_atexit({{.*}} bitcast ({{.*}} @_ZN15BindToSubobject1AD1Ev to void (i8*)*), i8* bitcast ({{.*}} @_ZGRN15BindToSubobject1bE_ to i8*), i8* @__dso_handle) // CHECK: store i32* getelementptr inbounds ({{.*}} @_ZGRN15BindToSubobject1bE_, i32 0, i32 0), i32** @_ZN15BindToSubobject1bE, align 8 int &&b = (f(), A().a); int A::*h(); // CHECK: call void @_ZN15BindToSubobject1fEv() // CHECK: call void @_ZN15BindToSubobject1gEv() // CHECK: call void @_ZN15BindToSubobject1AC1Ev({{.*}} @_ZGRN15BindToSubobject1cE_) // CHECK: call i32 @__cxa_atexit({{.*}} bitcast ({{.*}} @_ZN15BindToSubobject1AD1Ev to void (i8*)*), i8* bitcast ({{.*}} @_ZGRN15BindToSubobject1cE_ to i8*), i8* @__dso_handle) // CHECK: call {{.*}} @_ZN15BindToSubobject1hE // CHECK: getelementptr // CHECK: store i32* {{.*}}, i32** @_ZN15BindToSubobject1cE, align 8 int &&c = (f(), (g(), A().*h())); struct B { int padding; A a; }; // CHECK: call void @_ZN15BindToSubobject1BC1Ev({{.*}} @_ZGRN15BindToSubobject1dE_) // CHECK: call i32 @__cxa_atexit({{.*}} bitcast ({{.*}} @_ZN15BindToSubobject1BD1Ev to void (i8*)*), i8* bitcast ({{.*}} @_ZGRN15BindToSubobject1dE_ to i8*), i8* @__dso_handle) // CHECK: call {{.*}} @_ZN15BindToSubobject1hE // CHECK: getelementptr {{.*}} getelementptr // CHECK: store i32* {{.*}}, i32** @_ZN15BindToSubobject1dE, align 8 int &&d = (B().a).*h(); } namespace Bitfield { struct S { int a : 5; ~S(); }; // Do not lifetime extend the S() temporary here. // CHECK: alloca // CHECK: call {{.*}}memset // CHECK: store i32 {{.*}}, i32* @_ZGRN8Bitfield1rE_ // CHECK: call void @_ZN8Bitfield1SD1 // CHECK: store i32* @_ZGRN8Bitfield1rE_, i32** @_ZN8Bitfield1rE, align 8 int &&r = S().a; } namespace Vector { typedef __attribute__((vector_size(16))) int vi4a; typedef __attribute__((ext_vector_type(4))) int vi4b; struct S { vi4a v; vi4b w; }; // CHECK: alloca // CHECK: extractelement // CHECK: store i32 {{.*}}, i32* @_ZGRN6Vector1rE_ // CHECK: store i32* @_ZGRN6Vector1rE_, i32** @_ZN6Vector1rE, int &&r = S().v[1]; // CHECK: alloca // CHECK: extractelement // CHECK: store i32 {{.*}}, i32* @_ZGRN6Vector1sE_ // CHECK: store i32* @_ZGRN6Vector1sE_, i32** @_ZN6Vector1sE, int &&s = S().w[1]; // FIXME PR16204: The following code leads to an assertion in Sema. //int &&s = S().w.y; } namespace ImplicitTemporaryCleanup { struct A { A(int); ~A(); }; void g(); // CHECK-LABEL: define void @_ZN24ImplicitTemporaryCleanup1fEv( void f() { // CHECK: call {{.*}} @_ZN24ImplicitTemporaryCleanup1AC1Ei( A &&a = 0; // CHECK: call {{.*}} @_ZN24ImplicitTemporaryCleanup1gEv( g(); // CHECK: call {{.*}} @_ZN24ImplicitTemporaryCleanup1AD1Ev( } } namespace MultipleExtension { struct A { A(); ~A(); }; struct B { B(); ~B(); }; struct C { C(); ~C(); }; struct D { D(); ~D(); int n; C c; }; struct E { const A &a; B b; const C &c; ~E(); }; E &&e1 = { A(), B(), D().c }; // CHECK: call void @_ZN17MultipleExtension1AC1Ev({{.*}} @[[TEMPA:_ZGRN17MultipleExtension2e1E.*]]) // CHECK: call i32 @__cxa_atexit({{.*}} @_ZN17MultipleExtension1AD1Ev {{.*}} @[[TEMPA]] // CHECK: store {{.*}} @[[TEMPA]], {{.*}} getelementptr inbounds ({{.*}} @[[TEMPE:_ZGRN17MultipleExtension2e1E.*]], i32 0, i32 0) // CHECK: call void @_ZN17MultipleExtension1BC1Ev({{.*}} getelementptr inbounds ({{.*}} @[[TEMPE]], i32 0, i32 1)) // CHECK: call void @_ZN17MultipleExtension1DC1Ev({{.*}} @[[TEMPD:_ZGRN17MultipleExtension2e1E.*]]) // CHECK: call i32 @__cxa_atexit({{.*}} @_ZN17MultipleExtension1DD1Ev {{.*}} @[[TEMPD]] // CHECK: store {{.*}} @[[TEMPD]], {{.*}} getelementptr inbounds ({{.*}} @[[TEMPE]], i32 0, i32 2) // CHECK: call i32 @__cxa_atexit({{.*}} @_ZN17MultipleExtension1ED1Ev {{.*}} @[[TEMPE]] // CHECK: store {{.*}} @[[TEMPE]], %"struct.MultipleExtension::E"** @_ZN17MultipleExtension2e1E, align 8 E e2 = { A(), B(), D().c }; // CHECK: call void @_ZN17MultipleExtension1AC1Ev({{.*}} @[[TEMPA:_ZGRN17MultipleExtension2e2E.*]]) // CHECK: call i32 @__cxa_atexit({{.*}} @_ZN17MultipleExtension1AD1Ev {{.*}} @[[TEMPA]] // CHECK: store {{.*}} @[[TEMPA]], {{.*}} getelementptr inbounds ({{.*}} @[[E:_ZN17MultipleExtension2e2E]], i32 0, i32 0) // CHECK: call void @_ZN17MultipleExtension1BC1Ev({{.*}} getelementptr inbounds ({{.*}} @[[E]], i32 0, i32 1)) // CHECK: call void @_ZN17MultipleExtension1DC1Ev({{.*}} @[[TEMPD:_ZGRN17MultipleExtension2e2E.*]]) // CHECK: call i32 @__cxa_atexit({{.*}} @_ZN17MultipleExtension1DD1Ev {{.*}} @[[TEMPD]] // CHECK: store {{.*}} @[[TEMPD]], {{.*}} getelementptr inbounds ({{.*}} @[[E]], i32 0, i32 2) // CHECK: call i32 @__cxa_atexit({{.*}} @_ZN17MultipleExtension1ED1Ev {{.*}} @[[E]] void g(); // CHECK: define void @[[NS:_ZN17MultipleExtension]]1fEv( void f() { E &&e1 = { A(), B(), D().c }; // CHECK: %[[TEMPE1_A:.*]] = getelementptr inbounds {{.*}} %[[TEMPE1:.*]], i32 0, i32 0 // CHECK: call void @[[NS]]1AC1Ev({{.*}} %[[TEMPA1:.*]]) // CHECK: store {{.*}} %[[TEMPA1]], {{.*}} %[[TEMPE1_A]] // CHECK: %[[TEMPE1_B:.*]] = getelementptr inbounds {{.*}} %[[TEMPE1]], i32 0, i32 1 // CHECK: call void @[[NS]]1BC1Ev({{.*}} %[[TEMPE1_B]]) // CHECK: %[[TEMPE1_C:.*]] = getelementptr inbounds {{.*}} %[[TEMPE1]], i32 0, i32 2 // CHECK: call void @[[NS]]1DC1Ev({{.*}} %[[TEMPD1:.*]]) // CHECK: %[[TEMPD1_C:.*]] = getelementptr inbounds {{.*}} %[[TEMPD1]], i32 0, i32 1 // CHECK: store {{.*}} %[[TEMPD1_C]], {{.*}} %[[TEMPE1_C]] // CHECK: store {{.*}} %[[TEMPE1]], {{.*}} %[[E1:.*]] g(); // CHECK: call void @[[NS]]1gEv() E e2 = { A(), B(), D().c }; // CHECK: %[[TEMPE2_A:.*]] = getelementptr inbounds {{.*}} %[[E2:.*]], i32 0, i32 0 // CHECK: call void @[[NS]]1AC1Ev({{.*}} %[[TEMPA2:.*]]) // CHECK: store {{.*}} %[[TEMPA2]], {{.*}} %[[TEMPE2_A]] // CHECK: %[[TEMPE2_B:.*]] = getelementptr inbounds {{.*}} %[[E2]], i32 0, i32 1 // CHECK: call void @[[NS]]1BC1Ev({{.*}} %[[TEMPE2_B]]) // CHECK: %[[TEMPE2_C:.*]] = getelementptr inbounds {{.*}} %[[E2]], i32 0, i32 2 // CHECK: call void @[[NS]]1DC1Ev({{.*}} %[[TEMPD2:.*]]) // CHECK: %[[TEMPD2_C:.*]] = getelementptr inbounds {{.*}} %[[TEMPD2]], i32 0, i32 1 // CHECK: store {{.*}} %[[TEMPD2_C]], {{.*}}* %[[TEMPE2_C]] g(); // CHECK: call void @[[NS]]1gEv() // CHECK: call void @[[NS]]1ED1Ev({{.*}} %[[E2]]) // CHECK: call void @[[NS]]1DD1Ev({{.*}} %[[TEMPD2]]) // CHECK: call void @[[NS]]1AD1Ev({{.*}} %[[TEMPA2]]) // CHECK: call void @[[NS]]1ED1Ev({{.*}} %[[TEMPE1]]) // CHECK: call void @[[NS]]1DD1Ev({{.*}} %[[TEMPD1]]) // CHECK: call void @[[NS]]1AD1Ev({{.*}} %[[TEMPA1]]) } } namespace ArrayAccess { struct A { A(int); ~A(); }; void g(); void f() { using T = A[3]; // CHECK: call void @_ZN11ArrayAccess1AC1Ei({{.*}}, i32 1 // CHECK-NOT: @_ZN11ArrayAccess1AD // CHECK: call void @_ZN11ArrayAccess1AC1Ei({{.*}}, i32 2 // CHECK-NOT: @_ZN11ArrayAccess1AD // CHECK: call void @_ZN11ArrayAccess1AC1Ei({{.*}}, i32 3 // CHECK-NOT: @_ZN11ArrayAccess1AD A &&a = T{1, 2, 3}[1]; // CHECK: call void @_ZN11ArrayAccess1AC1Ei({{.*}}, i32 4 // CHECK-NOT: @_ZN11ArrayAccess1AD // CHECK: call void @_ZN11ArrayAccess1AC1Ei({{.*}}, i32 5 // CHECK-NOT: @_ZN11ArrayAccess1AD // CHECK: call void @_ZN11ArrayAccess1AC1Ei({{.*}}, i32 6 // CHECK-NOT: @_ZN11ArrayAccess1AD A &&b = 2[T{4, 5, 6}]; // CHECK: call void @_ZN11ArrayAccess1gEv( g(); // CHECK: call void @_ZN11ArrayAccess1AD // CHECK: call void @_ZN11ArrayAccess1AD } } namespace PR14130 { struct S { S(int); }; struct U { S &&s; }; U v { { 0 } }; // CHECK: call void @_ZN7PR141301SC1Ei({{.*}} @_ZGRN7PR141301vE_, i32 0) // CHECK: store {{.*}} @_ZGRN7PR141301vE_, {{.*}} @_ZN7PR141301vE } namespace Conditional { struct A {}; struct B : A { B(); ~B(); }; struct C : A { C(); ~C(); }; void g(); // CHECK-LABEL: define {{.*}} @_ZN11Conditional1fEb( void f(bool b) { // CHECK: store i1 false, i1* %[[CLEANUP_B:.*]], // CHECK: store i1 false, i1* %[[CLEANUP_C:.*]], // CHECK: br i1 // // CHECK: call {{.*}} @_ZN11Conditional1BC1Ev( // CHECK: store i1 true, i1* %[[CLEANUP_B]], // CHECK: br label // // CHECK: call {{.*}} @_ZN11Conditional1CC1Ev( // CHECK: store i1 true, i1* %[[CLEANUP_C]], // CHECK: br label A &&r = b ? static_cast(B()) : static_cast(C()); // CHECK: call {{.*}} @_ZN11Conditional1gEv( g(); // CHECK: load {{.*}} %[[CLEANUP_C]] // CHECK: br i1 // CHECK: call {{.*}} @_ZN11Conditional1CD1Ev( // CHECK: br label // CHECK: load {{.*}} %[[CLEANUP_B]] // CHECK: br i1 // CHECK: call {{.*}} @_ZN11Conditional1BD1Ev( // CHECK: br label } struct D { A &&a; }; // CHECK-LABEL: define {{.*}} @_ZN11Conditional10f_indirectEb( void f_indirect(bool b) { // CHECK: store i1 false, i1* %[[CLEANUP_B:.*]], // CHECK: store i1 false, i1* %[[CLEANUP_C:.*]], // CHECK: br i1 // // CHECK: call {{.*}} @_ZN11Conditional1BC1Ev( // CHECK: store i1 true, i1* %[[CLEANUP_B]], // CHECK: br label // // CHECK: call {{.*}} @_ZN11Conditional1CC1Ev( // CHECK: store i1 true, i1* %[[CLEANUP_C]], // CHECK: br label D d = b ? D{B()} : D{C()}; // In C++17, the expression D{...} directly initializes the 'd' object, so // lifetime-extending the temporaries to the lifetime of the D object // extends them past the call to g(). // // In C++14 and before, D is move-constructed from the result of the // conditional expression, so no lifetime extension occurs. // CHECK-CXX17: call {{.*}} @_ZN11Conditional1gEv( // CHECK: load {{.*}} %[[CLEANUP_C]] // CHECK: br i1 // CHECK: call {{.*}} @_ZN11Conditional1CD1Ev( // CHECK: br label // CHECK: load {{.*}} %[[CLEANUP_B]] // CHECK: br i1 // CHECK: call {{.*}} @_ZN11Conditional1BD1Ev( // CHECK: br label // CHECK-CXX11: call {{.*}} @_ZN11Conditional1gEv( g(); } extern bool b; // CHECK: load {{.*}} @_ZN11Conditional1b // CHECK: br i1 // // CHECK: call {{.*}} @_ZN11Conditional1BC1Ev({{.*}} @_ZGRN11Conditional1rE_) // CHECK: call {{.*}} @__cxa_atexit({{.*}} @_ZN11Conditional1BD1Ev {{.*}} @_ZGRN11Conditional1rE_, // CHECK: br label // // CHECK: call {{.*}} @_ZN11Conditional1CC1Ev({{.*}} @_ZGRN11Conditional1rE0_) // CHECK: call {{.*}} @__cxa_atexit({{.*}} @_ZN11Conditional1CD1Ev {{.*}} @_ZGRN11Conditional1rE0_, // CHECK: br label A &&r = b ? static_cast(B()) : static_cast(C()); }