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| // RUN: %clang_cc1 %s -emit-llvm -o - -triple=x86_64-unknown-unknown | FileCheck -check-prefix CODE-LP64 %s
// RUN: %clang_cc1 %s -emit-llvm -o - -triple=i386-unknown-unknown | FileCheck -check-prefix CODE-LP32 %s
// RUN: %clang_cc1 %s -emit-llvm -o - -triple=x86_64-unknown-unknown | FileCheck -check-prefix GLOBAL-LP64 %s
// RUN: %clang_cc1 %s -emit-llvm -o - -triple=i386-unknown-unknown | FileCheck -check-prefix GLOBAL-LP32 %s
// RUN: %clang_cc1 %s -emit-llvm -o - -triple=armv7-unknown-unknown | FileCheck -check-prefix GLOBAL-ARM %s
// PNaCl uses the same representation of method pointers as ARM.
// RUN: %clang_cc1 %s -emit-llvm -o - -triple=le32-unknown-nacl | FileCheck -check-prefix GLOBAL-ARM %s
// MIPS uses the same representation of method pointers as ARM.
// RUN: %clang_cc1 %s -emit-llvm -o - -triple=mips-unknown-linux-gnu | FileCheck -check-prefix GLOBAL-ARM %s
// WebAssembly uses the same representation of method pointers as ARM.
// RUN: %clang_cc1 %s -emit-llvm -o - -triple=wasm32-unknown-unknown | FileCheck -check-prefix GLOBAL-ARM %s
struct A { int a; void f(); virtual void vf1(); virtual void vf2(); };
struct B { int b; virtual void g(); };
struct C : B, A { };
void (A::*pa)();
void (A::*volatile vpa)();
void (B::*pb)();
void (C::*pc)();
// GLOBAL-LP64: @pa2 = global { i64, i64 } { i64 ptrtoint (void (%struct.A*)* @_ZN1A1fEv to i64), i64 0 }, align 8
void (A::*pa2)() = &A::f;
// GLOBAL-LP64: @pa3 = global { i64, i64 } { i64 1, i64 0 }, align 8
// GLOBAL-LP32: @pa3 = global { i32, i32 } { i32 1, i32 0 }, align 4
void (A::*pa3)() = &A::vf1;
// GLOBAL-LP64: @pa4 = global { i64, i64 } { i64 9, i64 0 }, align 8
// GLOBAL-LP32: @pa4 = global { i32, i32 } { i32 5, i32 0 }, align 4
void (A::*pa4)() = &A::vf2;
// GLOBAL-LP64: @pc2 = global { i64, i64 } { i64 ptrtoint (void (%struct.A*)* @_ZN1A1fEv to i64), i64 16 }, align 8
void (C::*pc2)() = &C::f;
// GLOBAL-LP64: @pc3 = global { i64, i64 } { i64 1, i64 0 }, align 8
void (A::*pc3)() = &A::vf1;
void f() {
// CODE-LP64: store { i64, i64 } zeroinitializer, { i64, i64 }* @pa
pa = 0;
// Is this okay? What are LLVM's volatile semantics for structs?
// CODE-LP64: store volatile { i64, i64 } zeroinitializer, { i64, i64 }* @vpa
vpa = 0;
// CODE-LP64: [[TMP:%.*]] = load { i64, i64 }, { i64, i64 }* @pa, align 8
// CODE-LP64: [[TMPADJ:%.*]] = extractvalue { i64, i64 } [[TMP]], 1
// CODE-LP64: [[ADJ:%.*]] = add nsw i64 [[TMPADJ]], 16
// CODE-LP64: [[RES:%.*]] = insertvalue { i64, i64 } [[TMP]], i64 [[ADJ]], 1
// CODE-LP64: store { i64, i64 } [[RES]], { i64, i64 }* @pc, align 8
pc = pa;
// CODE-LP64: [[TMP:%.*]] = load { i64, i64 }, { i64, i64 }* @pc, align 8
// CODE-LP64: [[TMPADJ:%.*]] = extractvalue { i64, i64 } [[TMP]], 1
// CODE-LP64: [[ADJ:%.*]] = sub nsw i64 [[TMPADJ]], 16
// CODE-LP64: [[RES:%.*]] = insertvalue { i64, i64 } [[TMP]], i64 [[ADJ]], 1
// CODE-LP64: store { i64, i64 } [[RES]], { i64, i64 }* @pa, align 8
pa = static_cast<void (A::*)()>(pc);
}
void f2() {
// CODE-LP64: store { i64, i64 } { i64 ptrtoint (void (%struct.A*)* @_ZN1A1fEv to i64), i64 0 }
void (A::*pa2)() = &A::f;
// CODE-LP64: store { i64, i64 } { i64 1, i64 0 }
// CODE-LP32: store { i32, i32 } { i32 1, i32 0 }
void (A::*pa3)() = &A::vf1;
// CODE-LP64: store { i64, i64 } { i64 9, i64 0 }
// CODE-LP32: store { i32, i32 } { i32 5, i32 0 }
void (A::*pa4)() = &A::vf2;
}
void f3(A *a, A &ar) {
(a->*pa)();
(ar.*pa)();
}
bool f4() {
return pa;
}
// PR5177
namespace PR5177 {
struct A {
bool foo(int*) const;
} a;
struct B1 {
bool (A::*pmf)(int*) const;
const A* pa;
B1() : pmf(&A::foo), pa(&a) {}
bool operator()() const { return (pa->*pmf)(new int); }
};
void bar(B1 b2) { while (b2()) ; }
}
// PR5138
namespace PR5138 {
struct foo {
virtual void bar(foo *);
};
extern "C" {
void baz(foo *);
}
void (foo::*ptr1)(void *) = (void (foo::*)(void *))&foo::bar;
void (*ptr2)(void *) = (void (*)(void *))&baz;
void (foo::*ptr3)(void) = (void (foo::*)(void))&foo::bar;
}
// PR5593
namespace PR5593 {
struct A { };
bool f(void (A::*f)()) {
return f && f;
}
}
namespace PR5718 {
struct A { };
bool f(void (A::*f)(), void (A::*g)()) {
return f == g;
}
}
namespace BoolMemberPointer {
struct A { };
bool f(void (A::*f)()) {
return !f;
}
bool g(void (A::*f)()) {
if (!!f)
return true;
return false;
}
}
// PR5940
namespace PR5940 {
class foo {
public:
virtual void baz(void);
};
void foo::baz(void) {
void (foo::*ptr)(void) = &foo::baz;
}
}
namespace MemberPointerImpCast {
struct A {
int x;
};
struct B : public A {
};
void f(B* obj, void (A::*method)()) {
(obj->*method)();
}
}
// PR6258
namespace PR6258 {
struct A {
void f(bool);
};
void (A::*pf)(bool) = &A::f;
void f() {
void (A::*pf)(bool) = &A::f;
}
}
// PR7027
namespace PR7027 {
struct X { void test( ); };
void testX() { &X::test; }
}
namespace test7 {
struct A { void foo(); virtual void vfoo(); };
struct B { void foo(); virtual void vfoo(); };
struct C : A, B { void foo(); virtual void vfoo(); };
// GLOBAL-ARM: @_ZN5test74ptr0E = global {{.*}} { i32 ptrtoint ({{.*}}* @_ZN5test71A3fooEv to i32), i32 0 }
// GLOBAL-ARM: @_ZN5test74ptr1E = global {{.*}} { i32 ptrtoint ({{.*}}* @_ZN5test71B3fooEv to i32), i32 8 }
// GLOBAL-ARM: @_ZN5test74ptr2E = global {{.*}} { i32 ptrtoint ({{.*}}* @_ZN5test71C3fooEv to i32), i32 0 }
// GLOBAL-ARM: @_ZN5test74ptr3E = global {{.*}} { i32 0, i32 1 }
// GLOBAL-ARM: @_ZN5test74ptr4E = global {{.*}} { i32 0, i32 9 }
// GLOBAL-ARM: @_ZN5test74ptr5E = global {{.*}} { i32 0, i32 1 }
void (C::*ptr0)() = &A::foo;
void (C::*ptr1)() = &B::foo;
void (C::*ptr2)() = &C::foo;
void (C::*ptr3)() = &A::vfoo;
void (C::*ptr4)() = &B::vfoo;
void (C::*ptr5)() = &C::vfoo;
}
namespace test8 {
struct X { };
typedef int (X::*pmf)(int);
// CHECK: {{define.*_ZN5test81fEv}}
pmf f() {
// CHECK: {{ret.*zeroinitializer}}
return pmf();
}
}
namespace test9 {
struct A {
void foo();
};
struct B : A {
void foo();
};
typedef void (A::*fooptr)();
struct S {
fooptr p;
};
// CODE-LP64-LABEL: define void @_ZN5test94testEv(
// CODE-LP64: alloca i32
// CODE-LP64-NEXT: ret void
void test() {
int x;
static S array[] = { (fooptr) &B::foo };
}
}
// rdar://problem/10815683 - Verify that we can emit reinterprets of
// member pointers as constant initializers. For added trickiness,
// we also add some non-trivial adjustments.
namespace test10 {
struct A {
int nonEmpty;
void foo();
};
struct B : public A {
virtual void requireNonZeroAdjustment();
};
struct C {
int nonEmpty;
};
struct D : public C {
virtual void requireNonZeroAdjustment();
};
// It's not that the offsets are doubled on ARM, it's that they're left-shifted by 1.
// GLOBAL-LP64: @_ZN6test101aE = global { i64, i64 } { i64 ptrtoint (void (%"struct.test10::A"*)* @_ZN6test101A3fooEv to i64), i64 0 }, align 8
// GLOBAL-LP32: @_ZN6test101aE = global { i32, i32 } { i32 ptrtoint (void (%"struct.test10::A"*)* @_ZN6test101A3fooEv to i32), i32 0 }, align 4
// GLOBAL-ARM: @_ZN6test101aE = global { i32, i32 } { i32 ptrtoint (void (%"struct.test10::A"*)* @_ZN6test101A3fooEv to i32), i32 0 }, align 4
void (A::*a)() = &A::foo;
// GLOBAL-LP64: @_ZN6test101bE = global { i64, i64 } { i64 ptrtoint (void (%"struct.test10::A"*)* @_ZN6test101A3fooEv to i64), i64 8 }, align 8
// GLOBAL-LP32: @_ZN6test101bE = global { i32, i32 } { i32 ptrtoint (void (%"struct.test10::A"*)* @_ZN6test101A3fooEv to i32), i32 4 }, align 4
// GLOBAL-ARM: @_ZN6test101bE = global { i32, i32 } { i32 ptrtoint (void (%"struct.test10::A"*)* @_ZN6test101A3fooEv to i32), i32 8 }, align 4
void (B::*b)() = (void (B::*)()) &A::foo;
// GLOBAL-LP64: @_ZN6test101cE = global { i64, i64 } { i64 ptrtoint (void (%"struct.test10::A"*)* @_ZN6test101A3fooEv to i64), i64 8 }, align 8
// GLOBAL-LP32: @_ZN6test101cE = global { i32, i32 } { i32 ptrtoint (void (%"struct.test10::A"*)* @_ZN6test101A3fooEv to i32), i32 4 }, align 4
// GLOBAL-ARM: @_ZN6test101cE = global { i32, i32 } { i32 ptrtoint (void (%"struct.test10::A"*)* @_ZN6test101A3fooEv to i32), i32 8 }, align 4
void (C::*c)() = (void (C::*)()) (void (B::*)()) &A::foo;
// GLOBAL-LP64: @_ZN6test101dE = global { i64, i64 } { i64 ptrtoint (void (%"struct.test10::A"*)* @_ZN6test101A3fooEv to i64), i64 16 }, align 8
// GLOBAL-LP32: @_ZN6test101dE = global { i32, i32 } { i32 ptrtoint (void (%"struct.test10::A"*)* @_ZN6test101A3fooEv to i32), i32 8 }, align 4
// GLOBAL-ARM: @_ZN6test101dE = global { i32, i32 } { i32 ptrtoint (void (%"struct.test10::A"*)* @_ZN6test101A3fooEv to i32), i32 16 }, align 4
void (D::*d)() = (void (C::*)()) (void (B::*)()) &A::foo;
}
namespace test11 {
struct A { virtual void a(); };
struct B : A {};
struct C : B { virtual void a(); };
void (C::*x)() = &C::a;
// GLOBAL-LP64: @_ZN6test111xE = global { i64, i64 } { i64 1, i64 0 }
// GLOBAL-LP32: @_ZN6test111xE = global { i32, i32 } { i32 1, i32 0 }
// GLOBAL-ARM: @_ZN6test111xE = global { i32, i32 } { i32 0, i32 1 }
}
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