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

   1 // RUN: %clang_cc1 -triple i686-pc-mingw32 -fms-extensions -Wmicrosoft %s -emit-llvm -o - | FileCheck %s --check-prefix=CHECK32 --check-prefix=CHECK
   2 // RUN: %clang_cc1 -triple x86_64-pc-windows-msvc19.11.0 -fms-extensions -Wmicrosoft %s -emit-llvm -o - | FileCheck %s --check-prefix=CHECK64 --check-prefix=CHECK
   3
   4 class Test1 {
   5 public:
   6    int a;
   7 };
   8
   9 void f1() {
  10   Test1 var;
  11   var.Test1::Test1();
  12
  13   // CHECK32:   call void @llvm.memcpy.p0.p0.i32(ptr align 4 %{{.*}}, ptr align 4 %{{.*}}, i32 4, i1 false)
  14   // CHECK64:   call void @llvm.memcpy.p0.p0.i64(ptr align 4 %{{.*}}, ptr align 4 %{{.*}}, i64 4, i1 false)
  15   var.Test1::Test1(var);
  16 }
  17
  18 class Test2 {
  19 public:
  20   Test2() { a = 10; b = 10; }
  21    int a;
  22    int b;
  23 };
  24
  25 void f2() {
  26   // CHECK:  %var = alloca %class.Test2, align 4
  27   // CHECK32-NEXT:  call x86_thiscallcc void @_ZN5Test2C1Ev(ptr {{[^,]*}} %var)
  28   // CHECK64-NEXT:  %call = call noundef ptr @"??0Test2@@QEAA@XZ"(ptr {{[^,]*}} %var)
  29   Test2 var;
  30
  31   // CHECK32-NEXT:  call x86_thiscallcc void @_ZN5Test2C1Ev(ptr {{[^,]*}} %var)
  32   // CHECK64-NEXT:  %call1 = call noundef ptr @"??0Test2@@QEAA@XZ"(ptr {{[^,]*}} %var)
  33   var.Test2::Test2();
  34
  35   // CHECK32:  call void @llvm.memcpy.p0.p0.i32(ptr align 4 %{{.*}}, ptr align 4 %{{.*}}, i32 8, i1 false)
  36   // CHECK64:  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %{{.*}}, ptr align 4 %{{.*}}, i64 8, i1 false)
  37   var.Test2::Test2(var);
  38 }
  39
  40
  41
  42
  43 class Test3 {
  44 public:
  45   Test3() { a = 10; b = 15; c = 20; }
  46   Test3(const Test3& that) { a = that.a; b = that.b; c = that.c; }
  47    int a;
  48    int b;
  49    int c;
  50 };
  51
  52 void f3() {
  53   // CHECK32: call x86_thiscallcc void @_ZN5Test3C1Ev(ptr {{[^,]*}} %var)
  54   // CHECK64: %call = call noundef ptr @"??0Test3@@QEAA@XZ"(ptr {{[^,]*}} %var)
  55   Test3 var;
  56
  57   // CHECK32-NEXT: call x86_thiscallcc void @_ZN5Test3C1Ev(ptr {{[^,]*}} %var2)
  58   // CHECK64-NEXT: %call1 = call noundef ptr @"??0Test3@@QEAA@XZ"(ptr {{[^,]*}} %var2)
  59   Test3 var2;
  60
  61   // CHECK32-NEXT: call x86_thiscallcc void @_ZN5Test3C1Ev(ptr {{[^,]*}} %var)
  62   // CHECK64-NEXT: %call2 = call noundef ptr @"??0Test3@@QEAA@XZ"(ptr {{[^,]*}} %var)
  63   var.Test3::Test3();
  64
  65   // CHECK32-NEXT: call x86_thiscallcc void @_ZN5Test3C1ERKS_(ptr {{[^,]*}} %var, ptr noundef nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) %var2)
  66   // CHECK64-NEXT: %call3 = call noundef ptr @"??0Test3@@QEAA@AEBV0@@Z"(ptr {{[^,]*}} %var, ptr noundef nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) %var2)
  67   var.Test3::Test3(var2);
  68 }