llvm-project/clang/test/CodeGenCXX/constructor-conversion.cpp

51 lines
871 B
C++

// RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++11 -emit-llvm %s -o - | \
// RUN: FileCheck %s
// RUN: %clang_cc1 -triple i386-apple-darwin -std=c++11 -emit-llvm %s -o - | \
// RUN: FileCheck %s
extern "C" int printf(...);
class X { // ...
public:
X(int) : iX(2), fX(2.3) , name("HELLO\n") { }
X(const char* arg, int ix=0) { iX = ix; fX = 6.0; name = arg+ix; }
X(): iX(100), fX(1.2) {}
int iX;
float fX;
const char *name;
void pr(void) {
printf("iX = %d fX = %f name = %s\n", iX, fX, name);
}
};
void g(X arg) {
arg.pr();
}
void f(X arg) {
X a = 1; // a = X(1)
a.pr();
X b = "Jessie"; // b=X("Jessie",0)
b.pr();
a = 2; // a = X(2)
a.pr();
}
int main() {
X x;
f(x);
g(3); // g(X(3))
}
// CHECK: call void @_ZN1XC1Ei
// CHECK: call void @_ZN1XC1EPKci
// CHECK: call void @_ZN1XC1Ev