llvm-project/clang/test/CodeGenCXX/constructor-direct-call.cpp

60 lines
1.3 KiB
C++

// RUN: %clang_cc1 -triple i686-pc-mingw32 -fms-extensions -Wmicrosoft %s -emit-llvm -o - | FileCheck %s
class Test1 {
public:
int a;
};
void f1() {
Test1 var;
var.Test1::Test1();
// CHECK: call void @llvm.memcpy.p0i8.p0i8.i32(i8* %{{.*}}, i8* %{{.*}}, i32 4, i32 4, i1 false)
var.Test1::Test1(var);
}
class Test2 {
public:
Test2() { a = 10; b = 10; }
int a;
int b;
};
void f2() {
// CHECK: %var = alloca %class.Test2, align 4
// CHECK-NEXT: call x86_thiscallcc void @_ZN5Test2C1Ev(%class.Test2* %var)
Test2 var;
// CHECK-NEXT: call x86_thiscallcc void @_ZN5Test2C1Ev(%class.Test2* %var)
var.Test2::Test2();
// CHECK: call void @llvm.memcpy.p0i8.p0i8.i32(i8* %{{.*}}, i8* %{{.*}}, i32 8, i32 4, i1 false)
var.Test2::Test2(var);
}
class Test3 {
public:
Test3() { a = 10; b = 15; c = 20; }
Test3(const Test3& that) { a = that.a; b = that.b; c = that.c; }
int a;
int b;
int c;
};
void f3() {
// CHECK: call x86_thiscallcc void @_ZN5Test3C1Ev(%class.Test3* %var)
Test3 var;
// CHECK-NEXT: call x86_thiscallcc void @_ZN5Test3C1Ev(%class.Test3* %var2)
Test3 var2;
// CHECK-NEXT: call x86_thiscallcc void @_ZN5Test3C1Ev(%class.Test3* %var)
var.Test3::Test3();
// CHECK-NEXT: call x86_thiscallcc void @_ZN5Test3C1ERKS_(%class.Test3* %var, %class.Test3* nonnull %var2)
var.Test3::Test3(var2);
}