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-rw-r--r--test/CodeGenCXX/uncopyable-args.cpp137
1 files changed, 104 insertions, 33 deletions
diff --git a/test/CodeGenCXX/uncopyable-args.cpp b/test/CodeGenCXX/uncopyable-args.cpp
index 307a5cf11b6b..ef7168cdaaf7 100644
--- a/test/CodeGenCXX/uncopyable-args.cpp
+++ b/test/CodeGenCXX/uncopyable-args.cpp
@@ -1,5 +1,6 @@
// RUN: %clang_cc1 -std=c++11 -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s
-// RUN: %clang_cc1 -std=c++11 -triple x86_64-windows-msvc -emit-llvm -o - %s | FileCheck %s -check-prefix=WIN64
+// RUN: %clang_cc1 -std=c++11 -triple x86_64-windows-msvc -emit-llvm -o - %s -fms-compatibility -fms-compatibility-version=18 | FileCheck %s -check-prefix=WIN64 -check-prefix=WIN64-18
+// RUN: %clang_cc1 -std=c++11 -triple x86_64-windows-msvc -emit-llvm -o - %s -fms-compatibility -fms-compatibility-version=19 | FileCheck %s -check-prefix=WIN64 -check-prefix=WIN64-19
namespace trivial {
// Trivial structs should be passed directly.
@@ -52,12 +53,11 @@ void foo(A);
void bar() {
foo({});
}
-// FIXME: The copy ctor is implicitly deleted.
-// CHECK-DISABLED-LABEL: define void @_ZN9move_ctor3barEv()
-// CHECK-DISABLED: call void @_Z{{.*}}C1Ev(
-// CHECK-DISABLED-NOT: call
-// CHECK-DISABLED: call void @_ZN9move_ctor3fooENS_1AE(%"struct.move_ctor::A"* %{{.*}})
-// CHECK-DISABLED-LABEL: declare void @_ZN9move_ctor3fooENS_1AE(%"struct.move_ctor::A"*)
+// CHECK-LABEL: define void @_ZN9move_ctor3barEv()
+// CHECK: call void @_Z{{.*}}C1Ev(
+// CHECK-NOT: call
+// CHECK: call void @_ZN9move_ctor3fooENS_1AE(%"struct.move_ctor::A"* %{{.*}})
+// CHECK-LABEL: declare void @_ZN9move_ctor3fooENS_1AE(%"struct.move_ctor::A"*)
// WIN64-LABEL: declare void @"\01?foo@move_ctor@@YAXUA@1@@Z"(%"struct.move_ctor::A"*)
}
@@ -73,12 +73,11 @@ void foo(A);
void bar() {
foo({});
}
-// FIXME: The copy ctor is deleted.
-// CHECK-DISABLED-LABEL: define void @_ZN11all_deleted3barEv()
-// CHECK-DISABLED: call void @_Z{{.*}}C1Ev(
-// CHECK-DISABLED-NOT: call
-// CHECK-DISABLED: call void @_ZN11all_deleted3fooENS_1AE(%"struct.all_deleted::A"* %{{.*}})
-// CHECK-DISABLED-LABEL: declare void @_ZN11all_deleted3fooENS_1AE(%"struct.all_deleted::A"*)
+// CHECK-LABEL: define void @_ZN11all_deleted3barEv()
+// CHECK: call void @_Z{{.*}}C1Ev(
+// CHECK-NOT: call
+// CHECK: call void @_ZN11all_deleted3fooENS_1AE(%"struct.all_deleted::A"* %{{.*}})
+// CHECK-LABEL: declare void @_ZN11all_deleted3fooENS_1AE(%"struct.all_deleted::A"*)
// WIN64-LABEL: declare void @"\01?foo@all_deleted@@YAXUA@1@@Z"(%"struct.all_deleted::A"*)
}
@@ -93,14 +92,15 @@ void foo(A);
void bar() {
foo({});
}
-// FIXME: The copy and move ctors are implicitly deleted.
-// CHECK-DISABLED-LABEL: define void @_ZN18implicitly_deleted3barEv()
-// CHECK-DISABLED: call void @_Z{{.*}}C1Ev(
-// CHECK-DISABLED-NOT: call
-// CHECK-DISABLED: call void @_ZN18implicitly_deleted3fooENS_1AE(%"struct.implicitly_deleted::A"* %{{.*}})
-// CHECK-DISABLED-LABEL: declare void @_ZN18implicitly_deleted3fooENS_1AE(%"struct.implicitly_deleted::A"*)
-
-// WIN64-LABEL: declare void @"\01?foo@implicitly_deleted@@YAXUA@1@@Z"(%"struct.implicitly_deleted::A"*)
+// CHECK-LABEL: define void @_ZN18implicitly_deleted3barEv()
+// CHECK: call void @_Z{{.*}}C1Ev(
+// CHECK-NOT: call
+// CHECK: call void @_ZN18implicitly_deleted3fooENS_1AE(%"struct.implicitly_deleted::A"* %{{.*}})
+// CHECK-LABEL: declare void @_ZN18implicitly_deleted3fooENS_1AE(%"struct.implicitly_deleted::A"*)
+
+// In MSVC 2013, the copy ctor is not deleted by a move assignment. In MSVC 2015, it is.
+// WIN64-18-LABEL: declare void @"\01?foo@implicitly_deleted@@YAXUA@1@@Z"(i64
+// WIN64-19-LABEL: declare void @"\01?foo@implicitly_deleted@@YAXUA@1@@Z"(%"struct.implicitly_deleted::A"*)
}
namespace one_deleted {
@@ -113,12 +113,11 @@ void foo(A);
void bar() {
foo({});
}
-// FIXME: The copy constructor is implicitly deleted.
-// CHECK-DISABLED-LABEL: define void @_ZN11one_deleted3barEv()
-// CHECK-DISABLED: call void @_Z{{.*}}C1Ev(
-// CHECK-DISABLED-NOT: call
-// CHECK-DISABLED: call void @_ZN11one_deleted3fooENS_1AE(%"struct.one_deleted::A"* %{{.*}})
-// CHECK-DISABLED-LABEL: declare void @_ZN11one_deleted3fooENS_1AE(%"struct.one_deleted::A"*)
+// CHECK-LABEL: define void @_ZN11one_deleted3barEv()
+// CHECK: call void @_Z{{.*}}C1Ev(
+// CHECK-NOT: call
+// CHECK: call void @_ZN11one_deleted3fooENS_1AE(%"struct.one_deleted::A"* %{{.*}})
+// CHECK-LABEL: declare void @_ZN11one_deleted3fooENS_1AE(%"struct.one_deleted::A"*)
// WIN64-LABEL: declare void @"\01?foo@one_deleted@@YAXUA@1@@Z"(%"struct.one_deleted::A"*)
}
@@ -195,12 +194,10 @@ void foo(B);
void bar() {
foo({});
}
-// FIXME: This class has a non-trivial copy ctor and a trivial copy ctor. It's
-// not clear whether we should pass by address or in registers.
-// CHECK-DISABLED-LABEL: define void @_ZN14two_copy_ctors3barEv()
-// CHECK-DISABLED: call void @_Z{{.*}}C1Ev(
-// CHECK-DISABLED: call void @_ZN14two_copy_ctors3fooENS_1BE(%"struct.two_copy_ctors::B"* %{{.*}})
-// CHECK-DISABLED-LABEL: declare void @_ZN14two_copy_ctors3fooENS_1BE(%"struct.two_copy_ctors::B"*)
+// CHECK-LABEL: define void @_ZN14two_copy_ctors3barEv()
+// CHECK: call void @_Z{{.*}}C1Ev(
+// CHECK: call void @_ZN14two_copy_ctors3fooENS_1BE(%"struct.two_copy_ctors::B"* %{{.*}})
+// CHECK-LABEL: declare void @_ZN14two_copy_ctors3fooENS_1BE(%"struct.two_copy_ctors::B"*)
// WIN64-LABEL: declare void @"\01?foo@two_copy_ctors@@YAXUB@1@@Z"(%"struct.two_copy_ctors::B"*)
}
@@ -212,6 +209,7 @@ struct A {
void *p;
};
void *foo(A a) { return a.p; }
+// CHECK-LABEL: define i8* @_ZN15definition_only3fooENS_1AE(%"struct.definition_only::A"*
// WIN64-LABEL: define i8* @"\01?foo@definition_only@@YAPEAXUA@1@@Z"(%"struct.definition_only::A"*
}
@@ -226,6 +224,7 @@ struct A {
B b;
};
void *foo(A a) { return a.b.p; }
+// CHECK-LABEL: define i8* @_ZN17deleted_by_member3fooENS_1AE(%"struct.deleted_by_member::A"*
// WIN64-LABEL: define i8* @"\01?foo@deleted_by_member@@YAPEAXUA@1@@Z"(%"struct.deleted_by_member::A"*
}
@@ -239,6 +238,7 @@ struct A : B {
A();
};
void *foo(A a) { return a.p; }
+// CHECK-LABEL: define i8* @_ZN15deleted_by_base3fooENS_1AE(%"struct.deleted_by_base::A"*
// WIN64-LABEL: define i8* @"\01?foo@deleted_by_base@@YAPEAXUA@1@@Z"(%"struct.deleted_by_base::A"*
}
@@ -253,6 +253,7 @@ struct A {
B b;
};
void *foo(A a) { return a.b.p; }
+// CHECK-LABEL: define i8* @_ZN22deleted_by_member_copy3fooENS_1AE(%"struct.deleted_by_member_copy::A"*
// WIN64-LABEL: define i8* @"\01?foo@deleted_by_member_copy@@YAPEAXUA@1@@Z"(%"struct.deleted_by_member_copy::A"*
}
@@ -266,6 +267,7 @@ struct A : B {
A();
};
void *foo(A a) { return a.p; }
+// CHECK-LABEL: define i8* @_ZN20deleted_by_base_copy3fooENS_1AE(%"struct.deleted_by_base_copy::A"*
// WIN64-LABEL: define i8* @"\01?foo@deleted_by_base_copy@@YAPEAXUA@1@@Z"(%"struct.deleted_by_base_copy::A"*
}
@@ -275,6 +277,75 @@ struct A {
A(const A &o) = delete;
void *p;
};
+// CHECK-LABEL: define i8* @_ZN15explicit_delete3fooENS_1AE(%"struct.explicit_delete::A"*
// WIN64-LABEL: define i8* @"\01?foo@explicit_delete@@YAPEAXUA@1@@Z"(%"struct.explicit_delete::A"*
void *foo(A a) { return a.p; }
}
+
+namespace implicitly_deleted_copy_ctor {
+struct A {
+ // No move ctor due to copy assignment.
+ A &operator=(const A&);
+ // Deleted copy ctor due to rvalue ref member.
+ int &&ref;
+};
+// CHECK-LABEL: define {{.*}} @_ZN28implicitly_deleted_copy_ctor3fooENS_1AE(%"struct.implicitly_deleted_copy_ctor::A"*
+// WIN64-LABEL: define {{.*}} @"\01?foo@implicitly_deleted_copy_ctor@@YAAEAHUA@1@@Z"(%"struct.implicitly_deleted_copy_ctor::A"*
+int &foo(A a) { return a.ref; }
+
+struct B {
+ // Passed direct: has non-deleted trivial copy ctor.
+ B &operator=(const B&);
+ int &ref;
+};
+int &foo(B b) { return b.ref; }
+// CHECK-LABEL: define {{.*}} @_ZN28implicitly_deleted_copy_ctor3fooENS_1BE(i32*
+// WIN64-LABEL: define {{.*}} @"\01?foo@implicitly_deleted_copy_ctor@@YAAEAHUB@1@@Z"(i64
+
+struct X { X(const X&); };
+struct Y { Y(const Y&) = default; };
+
+union C {
+ C &operator=(const C&);
+ // Passed indirect: copy ctor deleted due to variant member with nontrivial copy ctor.
+ X x;
+ int n;
+};
+int foo(C c) { return c.n; }
+// CHECK-LABEL: define {{.*}} @_ZN28implicitly_deleted_copy_ctor3fooENS_1CE(%"union.implicitly_deleted_copy_ctor::C"*
+// WIN64-LABEL: define {{.*}} @"\01?foo@implicitly_deleted_copy_ctor@@YAHTC@1@@Z"(%"union.implicitly_deleted_copy_ctor::C"*
+
+struct D {
+ D &operator=(const D&);
+ // Passed indirect: copy ctor deleted due to variant member with nontrivial copy ctor.
+ union {
+ X x;
+ int n;
+ };
+};
+int foo(D d) { return d.n; }
+// CHECK-LABEL: define {{.*}} @_ZN28implicitly_deleted_copy_ctor3fooENS_1DE(%"struct.implicitly_deleted_copy_ctor::D"*
+// WIN64-LABEL: define {{.*}} @"\01?foo@implicitly_deleted_copy_ctor@@YAHUD@1@@Z"(%"struct.implicitly_deleted_copy_ctor::D"*
+
+union E {
+ // Passed direct: has non-deleted trivial copy ctor.
+ E &operator=(const E&);
+ Y y;
+ int n;
+};
+int foo(E e) { return e.n; }
+// CHECK-LABEL: define {{.*}} @_ZN28implicitly_deleted_copy_ctor3fooENS_1EE(i32
+// WIN64-LABEL: define {{.*}} @"\01?foo@implicitly_deleted_copy_ctor@@YAHTE@1@@Z"(i32
+
+struct F {
+ // Passed direct: has non-deleted trivial copy ctor.
+ F &operator=(const F&);
+ union {
+ Y y;
+ int n;
+ };
+};
+int foo(F f) { return f.n; }
+// CHECK-LABEL: define {{.*}} @_ZN28implicitly_deleted_copy_ctor3fooENS_1FE(i32
+// WIN64-LABEL: define {{.*}} @"\01?foo@implicitly_deleted_copy_ctor@@YAHUF@1@@Z"(i32
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-28 14:56:18 +0000