| // RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-darwin10 %s -emit-llvm -o %t |
| // RUN: FileCheck %s < %t |
| // RUN: FileCheck -check-prefix=CHECK-PR10720 %s < %t |
| |
| extern "C" int printf(...); |
| |
| struct M { |
| M() { printf("M()\n"); } |
| M(int i) { iM = i; printf("M(%d)\n", i); } |
| int iM; |
| void MPR() {printf("iM = %d\n", iM); }; |
| }; |
| |
| struct P { |
| P() { printf("P()\n"); } |
| P(int i) { iP = i; printf("P(%d)\n", i); } |
| int iP; |
| void PPR() {printf("iP = %d\n", iP); }; |
| }; |
| |
| struct Q { |
| Q() { printf("Q()\n"); } |
| Q(int i) { iQ = i; printf("Q(%d)\n", i); } |
| int iQ; |
| void QPR() {printf("iQ = %d\n", iQ); }; |
| }; |
| |
| struct N : M , P, Q { |
| N() : f1(1.314), P(2000), ld(00.1234+f1), M(1000), Q(3000), |
| d1(3.4567), i1(1234), m1(100) { printf("N()\n"); } |
| M m1; |
| M m2; |
| float f1; |
| int i1; |
| float d1; |
| void PR() { |
| printf("f1 = %f d1 = %f i1 = %d ld = %f \n", f1,d1,i1, ld); |
| MPR(); |
| PPR(); |
| QPR(); |
| printf("iQ = %d\n", iQ); |
| printf("iP = %d\n", iP); |
| printf("iM = %d\n", iM); |
| // FIXME. We don't yet support this syntax. |
| // printf("iQ = %d\n", (*this).iQ); |
| printf("iQ = %d\n", this->iQ); |
| printf("iP = %d\n", this->iP); |
| printf("iM = %d\n", this->iM); |
| } |
| float ld; |
| float ff; |
| M arr_m[3]; |
| P arr_p[1][3]; |
| Q arr_q[2][3][4]; |
| }; |
| |
| int main() { |
| M m1; |
| |
| N n1; |
| n1.PR(); |
| } |
| |
| // PR5826 |
| template <class T> struct A { |
| A() {} |
| A(int) {} |
| A(const A&) {} |
| ~A() {} |
| operator int() {return 0;} |
| }; |
| |
| // CHECK-LABEL: define void @_Z1fv() |
| void f() { |
| // CHECK: call void @_ZN1AIsEC1Ei |
| A<short> a4 = 97; |
| |
| // CHECK-NEXT: store i32 17 |
| int i = 17; |
| |
| // CHECK-NEXT: call void @_ZN1AIsED1Ev |
| // CHECK-NOT: call void @_ZN1AIsED1Ev |
| // CHECK: ret void |
| } |
| |
| // Make sure we initialize the vtable pointer if it's required by a |
| // base initializer. |
| namespace InitVTable { |
| struct A { A(int); }; |
| struct B : A { |
| virtual int foo(); |
| B(); |
| B(int); |
| }; |
| |
| // CHECK-LABEL: define void @_ZN10InitVTable1BC2Ev(%"struct.InitVTable::B"* %this) unnamed_addr |
| // CHECK: [[T0:%.*]] = bitcast [[B:%.*]]* [[THIS:%.*]] to i32 (...)*** |
| // CHECK-NEXT: store i32 (...)** bitcast (i8** getelementptr inbounds ([3 x i8*], [3 x i8*]* @_ZTVN10InitVTable1BE, i64 0, i64 2) to i32 (...)**), i32 (...)*** [[T0]] |
| // CHECK: [[VTBL:%.*]] = load i32 ([[B]]*)**, i32 ([[B]]*)*** {{%.*}} |
| // CHECK-NEXT: [[FNP:%.*]] = getelementptr inbounds i32 ([[B]]*)*, i32 ([[B]]*)** [[VTBL]], i64 0 |
| // CHECK-NEXT: [[FN:%.*]] = load i32 ([[B]]*)*, i32 ([[B]]*)** [[FNP]] |
| // CHECK-NEXT: [[ARG:%.*]] = call i32 [[FN]]([[B]]* [[THIS]]) |
| // CHECK-NEXT: call void @_ZN10InitVTable1AC2Ei({{.*}}* {{%.*}}, i32 [[ARG]]) |
| // CHECK-NEXT: [[T0:%.*]] = bitcast [[B]]* [[THIS]] to i32 (...)*** |
| // CHECK-NEXT: store i32 (...)** bitcast (i8** getelementptr inbounds ([3 x i8*], [3 x i8*]* @_ZTVN10InitVTable1BE, i64 0, i64 2) to i32 (...)**), i32 (...)*** [[T0]] |
| // CHECK-NEXT: ret void |
| B::B() : A(foo()) {} |
| |
| // CHECK-LABEL: define void @_ZN10InitVTable1BC2Ei(%"struct.InitVTable::B"* %this, i32 %x) unnamed_addr |
| // CHECK: [[ARG:%.*]] = add nsw i32 {{%.*}}, 5 |
| // CHECK-NEXT: call void @_ZN10InitVTable1AC2Ei({{.*}}* {{%.*}}, i32 [[ARG]]) |
| // CHECK-NEXT: [[T0:%.*]] = bitcast [[B]]* {{%.*}} to i32 (...)*** |
| // CHECK-NEXT: store i32 (...)** bitcast (i8** getelementptr inbounds ([3 x i8*], [3 x i8*]* @_ZTVN10InitVTable1BE, i64 0, i64 2) to i32 (...)**), i32 (...)*** [[T0]] |
| // CHECK-NEXT: ret void |
| B::B(int x) : A(x + 5) {} |
| } |
| |
| namespace rdar9694300 { |
| struct X { |
| int x; |
| }; |
| |
| // CHECK-LABEL: define void @_ZN11rdar96943001fEv |
| void f() { |
| // CHECK: alloca |
| X x; |
| // CHECK-NEXT: [[I:%.*]] = alloca i32 |
| // CHECK-NEXT: store i32 17, i32* [[I]] |
| int i = 17; |
| // CHECK-NEXT: ret void |
| } |
| } |
| |
| // Check that we emit a zero initialization step for list-value-initialization |
| // which calls a trivial default constructor. |
| namespace PR13273 { |
| struct U { |
| int t; |
| U() = default; |
| }; |
| |
| struct S : U { |
| S() = default; |
| }; |
| |
| // CHECK: define {{.*}}@_ZN7PR132731fEv( |
| int f() { |
| // CHECK-NOT: } |
| // CHECK: llvm.memset{{.*}}i8 0 |
| return (new S{})->t; |
| } |
| } |
| |
| template<typename T> |
| struct X { |
| X(const X &); |
| |
| T *start; |
| T *end; |
| }; |
| |
| template<typename T> struct X; |
| |
| // Make sure that the instantiated constructor initializes start and |
| // end properly. |
| // CHECK-LABEL: define linkonce_odr void @_ZN1XIiEC2ERKS0_(%struct.X* %this, %struct.X* dereferenceable({{[0-9]+}}) %other) unnamed_addr |
| // CHECK: {{store.*null}} |
| // CHECK: {{store.*null}} |
| // CHECK: ret |
| template<typename T> |
| X<T>::X(const X &other) : start(0), end(0) { } |
| |
| X<int> get_X(X<int> x) { return x; } |
| |
| namespace PR10720 { |
| struct X { |
| X(const X&); |
| X(X&&); |
| X& operator=(const X&); |
| X& operator=(X&&); |
| ~X(); |
| }; |
| |
| struct pair2 { |
| X second[4]; |
| |
| // CHECK-PR10720: define linkonce_odr {{.*}} @_ZN7PR107205pair2aSERKS0_ |
| // CHECK-PR10720: load |
| // CHECK-PR10720: icmp ne |
| // CHECK-PR10720-NEXT: br i1 |
| // CHECK-PR10720: call {{.*}} @_ZN7PR107201XaSERKS0_ |
| // CHECK-PR10720: ret |
| pair2 &operator=(const pair2&) = default; |
| |
| // CHECK-PR10720: define linkonce_odr {{.*}} @_ZN7PR107205pair2aSEOS0_ |
| // CHECK-PR10720: load |
| // CHECK-PR10720: icmp ne |
| // CHECK-PR10720-NEXT: br i1 |
| // CHECK-PR10720: call {{.*}} @_ZN7PR107201XaSEOS0_ |
| // CHECK-PR10720: ret |
| pair2 &operator=(pair2&&) = default; |
| |
| // CHECK-PR10720-LABEL: define linkonce_odr void @_ZN7PR107204pairC2ERKS0_ |
| // CHECK-PR10720-NOT: ret |
| // CHECK-PR10720: call void @llvm.memcpy |
| // CHECK-PR10720-NEXT: ret void |
| |
| // CHECK-PR10720-LABEL: define linkonce_odr void @_ZN7PR107205pair2C2ERKS0_ |
| // CHECK-PR10720-NOT: ret |
| // CHECK-PR10720: load |
| // CHECK-PR10720: icmp ult |
| // CHECK-PR10720-NEXT: br i1 |
| // CHECK-PR10720: call void @_ZN7PR107201XC1ERKS0_ |
| // CHECK-PR10720-NEXT: br label |
| // CHECK-PR10720: ret void |
| |
| // CHECK-PR10720-LABEL: define linkonce_odr void @_ZN7PR107205pair2C2EOS0_ |
| // CHECK-PR10720-NOT: ret |
| // CHECK-PR10720: load |
| // CHECK-PR10720: icmp ult |
| // CHECK-PR10720-NEXT: br i1 |
| // CHECK-PR10720: call void @_ZN7PR107201XC1EOS0_ |
| // CHECK-PR10720-NEXT: br label |
| // CHECK-PR10720: ret void |
| pair2(pair2&&) = default; |
| |
| pair2(const pair2&) = default; |
| }; |
| |
| struct pair : X { // Make the copy constructor non-trivial, so we actually generate it. |
| int second[4]; |
| pair(const pair&) = default; |
| }; |
| |
| void foo(const pair &x, const pair2 &x2) { |
| pair y(x); |
| pair2 y2(x2); |
| pair2 y2m(static_cast<pair2&&>(y2)); |
| |
| y2 = x2; |
| y2m = static_cast<pair2&&>(y2); |
| } |
| |
| } |