Add the clang library to the repo (with some of my changes, too).

1 files changed, 120 insertions, 0 deletions

diff --git a/clang/test/CodeGenCXX/conversion-function.cpp b/clang/test/CodeGenCXX/conversion-function.cpp
new file mode 100644
index 0000000..76d9e02
--- /dev/null
+++ b/clang/test/CodeGenCXX/conversion-function.cpp
@@ -0,0 +1,120 @@
+// RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++11 -S %s -o %t-64.s
+// RUN: FileCheck -check-prefix LP64 --input-file=%t-64.s %s
+// RUN: %clang_cc1 -triple i386-apple-darwin -std=c++11 -S %s -o %t-32.s
+// RUN: FileCheck -check-prefix LP32 --input-file=%t-32.s %s
+// XFAIL: *
+extern "C" int printf(...);
+struct S {
+  operator int();
+};
+
+S::operator int() {
+  return 10;
+}
+
+int f(S s) {
+  return s;
+}
+
+class X { // ...
+  public: operator int() { printf("operator int()\n"); return iX; }
+  public: operator float() { printf("operator float()\n"); return fX; }
+  X() : iX(100), fX(1.234)  {}
+  int iX;
+  float fX;
+};
+
+X x;
+
+struct Z {
+    operator X() { printf("perator X()\n"); x.iX += iZ; x.fX += fZ; return x; }
+    int iZ;
+    float fZ;
+    Z() : iZ(1), fZ(1.00) {}
+};
+
+Z z;
+
+class Y { // ...
+  public: operator Z(){printf("perator Z()\n"); return z; }
+};
+
+Y y;
+
+int count=0;
+class O { // ...
+public: 
+  operator int(){ return ++iO; }
+  O() : iO(count++) {}
+  int iO;
+};
+
+void g(O a, O b) {
+  int i = (a) ? 1+a : 0; 
+  int j = (a&&b) ? a+b : i; 
+  if (a) { }
+  printf("i = %d j = %d a.iO = %d b.iO = %d\n", i, j, a.iO, b.iO);
+}
+
+int main() {
+  int c = X(Z(y)); // OK: y.operator Z().operator X().operator int()
+  printf("c = %d\n", c);
+  float f = X(Z(y));
+  printf("f = %f\n", f);
+  int i = x;
+  printf("i = %d float = %f\n", i, float(x));
+  i = int(X(Z(y)));
+  f = float(X(Z(y)));
+  printf("i = %d float = %f\n", i,f);
+  f = (float)x;
+  i = (int)x;
+  printf("i = %d float = %f\n", i,f);
+
+  int d = (X)((Z)y);
+  printf("d = %d\n", d);
+
+  int e = (int)((X)((Z)y));
+  printf("e = %d\n", e);
+  O o1, o2;
+  g(o1, o2);
+}
+
+// Test. Conversion in base class is visible in derived class.
+class XB {
+  int a;
+public:
+  operator int();
+};
+
+class Yb : public XB {
+  double b;
+public:
+  operator char();
+};
+
+void f(Yb& a) {
+  int i = a; // OK. calls XB::operator int();
+  char ch = a;  // OK. calls Yb::operator char();
+}
+
+struct A {
+  operator int() const;
+};
+
+// CHECK-LP64: .globl __ZN1ScviEv
+// CHECK-LP64-NEXT: __ZN1ScviEv:
+// CHECK-LP64: callq __ZN1Ycv1ZEv
+// CHECK-LP64: callq __ZN1Zcv1XEv
+// CHECK-LP64: callq __ZN1XcviEv
+// CHECK-LP64: callq __ZN1XcvfEv
+// CHECK-LP64: callq __ZN2XBcviEv
+// CHECK-LP64: callq __ZN2YbcvcEv
+
+// CHECK-LP32: .globl  __ZN1ScviEv
+// CHECK-LP32-NEXT: __ZN1ScviEv:
+// CHECK-LP32: call L__ZN1Ycv1ZEv
+// CHECK-LP32: call L__ZN1Zcv1XEv
+// CHECK-LP32: call L__ZN1XcviEv
+// CHECK-LP32: call L__ZN1XcvfEv
+// CHECK-LP32: call L__ZN2XBcviEv
+// CHECK-LP32: call L__ZN2YbcvcEv