1 files changed, 156 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/copy-constructor-synthesis.cpp b/clang/test/CodeGenCXX/copy-constructor-synthesis.cpp
new file mode 100644
index 0000000..68f6805
--- /dev/null
+++ b/clang/test/CodeGenCXX/copy-constructor-synthesis.cpp
@@ -0,0 +1,156 @@
+// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm -o - %s | FileCheck %s
+
+extern "C" int printf(...);
+
+int init = 100;
+
+struct M {
+  int iM;
+  M() : iM(init++) {}
+};
+
+struct N {
+  int iN;
+  N() : iN(200) {}
+  N(N const & arg){this->iN = arg.iN; }
+};
+
+struct P {
+  int iP;
+  P() : iP(init++) {}
+};
+
+
+// CHECK: define linkonce_odr void @_ZN1XC1ERKS_(%struct.X* %this, %struct.X*) unnamed_addr
+struct X  : M, N, P { // ...
+  X() : f1(1.0), d1(2.0), i1(3), name("HELLO"), bf1(0xff), bf2(0xabcd),
+        au_i1(1234), au1_4("MASKED") {}
+  P p0;
+  void pr() {
+    printf("iM = %d iN = %d, m1.iM = %d\n", iM, iN, m1.iM); 
+    printf("im = %d p0.iP = %d, p1.iP = %d\n", iP, p0.iP, p1.iP); 
+    printf("f1 = %f  d1 = %f  i1 = %d name(%s) \n", f1, d1, i1, name);
+    printf("bf1 = %x  bf2 = %x\n", bf1, bf2);
+    printf("au_i2 = %d\n", au_i2); 
+    printf("au1_1 = %s\n", au1_1); 
+  }
+  M m1;
+  P p1;
+  float f1;
+  double d1;
+  int i1;
+  const char *name;
+  unsigned bf1 : 8;
+  unsigned bf2 : 16;
+  int arr[2];
+  _Complex float complex;
+
+  union {
+    int au_i1;
+    int au_i2;
+  };
+  union {
+    const char * au1_1;
+    float au1_2;
+    int au1_3;
+    const char * au1_4;
+  };
+};
+
+static int ix = 1;
+// class with user-defined copy constructor.
+struct S {
+  S() : iS(ix++) {  }
+  S(const S& arg) { *this = arg; }
+  int iS;
+};
+
+// class with trivial copy constructor.
+struct I {
+  I() : iI(ix++) {  }
+  int iI;
+};
+
+struct XM {
+  XM() {  }
+  double dXM;
+  S ARR_S[3][4][2];
+  void pr() {
+   for (unsigned i = 0; i < 3; i++)
+     for (unsigned j = 0; j < 4; j++)
+      for (unsigned k = 0; k < 2; k++)
+        printf("ARR_S[%d][%d][%d] = %d\n", i,j,k, ARR_S[i][j][k].iS);
+   for (unsigned i = 0; i < 3; i++)
+      for (unsigned k = 0; k < 2; k++)
+        printf("ARR_I[%d][%d] = %d\n", i,k, ARR_I[i][k].iI);
+  }
+  I ARR_I[3][2];
+};
+
+int main() {
+  X a;
+  X b(a);
+  b.pr();
+  X x;
+  X c(x);
+  c.pr();
+
+  XM m0;
+  XM m1 = m0;
+  m1.pr();
+}
+
+struct A {
+};
+
+struct B : A {
+  A &a;
+};
+
+void f(const B &b1) {
+  B b2(b1);
+}
+
+// PR6628
+namespace PR6628 {
+
+struct T {
+  T();
+  ~T();
+
+  double d;
+};
+
+struct A {
+  A(const A &other, const T &t = T(), const T& t2 = T());
+};
+
+struct B : A {
+  A a1;
+  A a2;
+  A a[10];
+};
+
+// Force the copy constructor to be synthesized.
+void f(B b1) {
+  B b2 = b1;
+}
+
+// CHECK: define linkonce_odr void @_ZN6PR66281BC2ERKS0_(%"struct.PR6628::B"* %this, %"struct.PR6628::B"*) unnamed_addr
+// CHECK: call void @_ZN6PR66281TC1Ev
+// CHECK: call void @_ZN6PR66281TC1Ev
+// CHECK: call void @_ZN6PR66281AC2ERKS0_RKNS_1TES5_
+// CHECK: call void @_ZN6PR66281TD1Ev
+// CHECK: call void @_ZN6PR66281TD1Ev
+// CHECK: call void @_ZN6PR66281TC1Ev
+// CHECK: call void @_ZN6PR66281TC1Ev
+// CHECK: call void @_ZN6PR66281AC1ERKS0_RKNS_1TES5_
+// CHECK: call void @_ZN6PR66281TD1Ev
+// CHECK: call void @_ZN6PR66281TD1Ev
+// CHECK: call void @_ZN6PR66281TC1Ev
+// CHECK: call void @_ZN6PR66281TC1Ev
+// CHECK: call void @_ZN6PR66281AC1ERKS0_RKNS_1TES5_
+// CHECK: call void @_ZN6PR66281TD1Ev
+// CHECK: call void @_ZN6PR66281TD1Ev
+}
+