summaryrefslogtreecommitdiff
path: root/clang/test/CodeGenCXX/constructor-init.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'clang/test/CodeGenCXX/constructor-init.cpp')
-rw-r--r--clang/test/CodeGenCXX/constructor-init.cpp222
1 files changed, 222 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/constructor-init.cpp b/clang/test/CodeGenCXX/constructor-init.cpp
new file mode 100644
index 0000000..9f808f6
--- /dev/null
+++ b/clang/test/CodeGenCXX/constructor-init.cpp
@@ -0,0 +1,222 @@
+// 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
+ }
+}
+
+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);
+ }
+
+}