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// 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: 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: define void @_ZN10InitVTable1BC2Ev(%"struct.InitVTable::B"* %this) unnamed_addr
// CHECK: [[T0:%.*]] = bitcast [[B:%.*]]* [[THIS:%.*]] to i8***
// CHECK-NEXT: store i8** getelementptr inbounds ([3 x i8*]* @_ZTVN10InitVTable1BE, i64 0, i64 2), i8*** [[T0]]
// CHECK: [[VTBL:%.*]] = load i32 ([[B]]*)*** {{%.*}}
// CHECK-NEXT: [[FNP:%.*]] = getelementptr inbounds i32 ([[B]]*)** [[VTBL]], i64 0
// CHECK-NEXT: [[FN:%.*]] = load 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 i8***
// CHECK-NEXT: store i8** getelementptr inbounds ([3 x i8*]* @_ZTVN10InitVTable1BE, i64 0, i64 2), i8*** [[T0]]
// CHECK-NEXT: ret void
B::B() : A(foo()) {}
// CHECK: 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 i8***
// CHECK-NEXT: store i8** getelementptr inbounds ([3 x i8*]* @_ZTVN10InitVTable1BE, i64 0, i64 2), i8*** [[T0]]
// CHECK-NEXT: ret void
B::B(int x) : A(x + 5) {}
}
namespace rdar9694300 {
struct X {
int x;
};
// CHECK: 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: define linkonce_odr void @_ZN1XIiEC2ERKS0_(%struct.X* %this, %struct.X* %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: 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;
// CHECK-PR10720: 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
pair2(const pair2&) = default;
};
struct pair : X { // Make the copy constructor non-trivial, so we actually generate it.
int second[4];
// CHECK-PR10720: define linkonce_odr void @_ZN7PR107204pairC2ERKS0_
// CHECK-PR10720-NOT: ret
// CHECK-PR10720: call void @llvm.memcpy
// CHECK-PR10720-NEXT: ret void
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);
}
}
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