head	1.1;
branch	1.1.1;
access;
symbols
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	LLVM:1.1.1;
locks; strict;
comment	@// @;


1.1
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1.1.1.1.8.2
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1.1.1.2.16.1
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desc
@@


1.1
log
@Initial revision
@
text
@// RUN: %clang_cc1 -triple x86_64-apple-darwin10.0.0 -fsyntax-only -verify %s -Winvalid-offsetof

struct NonPOD {
  virtual void f();
  int m;
};

struct P {
  NonPOD fieldThatPointsToANonPODType;
};

void f() {
  int i = __builtin_offsetof(P, fieldThatPointsToANonPODType.m); // expected-warning{{offset of on non-POD type 'P'}}
}

struct Base { int x; };
struct Derived : Base { int y; };
int o = __builtin_offsetof(Derived, x); // expected-warning{{offset of on non-POD type}}

const int o2 = sizeof(__builtin_offsetof(Derived, x));

struct HasArray {
  int array[17];
};

// Constant and non-constant offsetof expressions
void test_ice(int i) {
  int array0[__builtin_offsetof(HasArray, array[5])];
  int array1[__builtin_offsetof(HasArray, array[i])];
}

// Bitfields
struct has_bitfields {
  int i : 7;
  int j : 12; // expected-note{{bit-field is declared here}}
};

int test3 = __builtin_offsetof(struct has_bitfields, j); // expected-error{{cannot compute offset of bit-field 'j'}}

// offsetof referring to members of a base class.
struct Base1 { 
  int x;
};

struct Base2 {
  int y;
};

struct Derived2 : public Base1, public Base2 {
  int z; 
};

int derived1[__builtin_offsetof(Derived2, x) == 0? 1 : -1];
int derived2[__builtin_offsetof(Derived2, y)  == 4? 1 : -1];
int derived3[__builtin_offsetof(Derived2, z)  == 8? 1 : -1];

// offsetof referring to anonymous struct in base.
// PR7769
struct foo {
    struct {
        int x;
    };
};

struct bar : public foo  {
};

int anonstruct[__builtin_offsetof(bar, x) == 0 ? 1 : -1];

struct LtoRCheck {
  int a[10];
  int f();
};
int ltor = __builtin_offsetof(struct LtoRCheck, a[LtoRCheck().f]); // \
  expected-error {{reference to non-static member function must be called}}

namespace PR17578 {
struct Base {
  int Field;
};
struct Derived : virtual Base {
  void Fun() { (void)__builtin_offsetof(Derived, Field); } // expected-warning {{offset of on non-POD type}} \
                                                              expected-error {{invalid application of 'offsetof' to a field of a virtual base}}
};
}
@


1.1.1.1
log
@Import Clang 3.4rc1 r195771.
@
text
@@


1.1.1.2
log
@Import Clang 3.8.0rc3 r261930.
@
text
@d1 1
a1 1
// RUN: %clang_cc1 -triple x86_64-apple-darwin10.0.0 -fsyntax-only -verify %s -Winvalid-offsetof -std=c++98
@


1.1.1.2.16.1
log
@Mostly merge changes from HEAD upto 20200411
@
text
@@


1.1.1.3
log
@Mark old LLVM instance as dead.
@
text
@@


1.1.1.1.8.1
log
@file offsetof.cpp was added on branch tls-maxphys on 2014-08-19 23:49:19 +0000
@
text
@d1 85
@


1.1.1.1.8.2
log
@Rebase to HEAD as of a few days ago.
@
text
@a0 85
// RUN: %clang_cc1 -triple x86_64-apple-darwin10.0.0 -fsyntax-only -verify %s -Winvalid-offsetof

struct NonPOD {
  virtual void f();
  int m;
};

struct P {
  NonPOD fieldThatPointsToANonPODType;
};

void f() {
  int i = __builtin_offsetof(P, fieldThatPointsToANonPODType.m); // expected-warning{{offset of on non-POD type 'P'}}
}

struct Base { int x; };
struct Derived : Base { int y; };
int o = __builtin_offsetof(Derived, x); // expected-warning{{offset of on non-POD type}}

const int o2 = sizeof(__builtin_offsetof(Derived, x));

struct HasArray {
  int array[17];
};

// Constant and non-constant offsetof expressions
void test_ice(int i) {
  int array0[__builtin_offsetof(HasArray, array[5])];
  int array1[__builtin_offsetof(HasArray, array[i])];
}

// Bitfields
struct has_bitfields {
  int i : 7;
  int j : 12; // expected-note{{bit-field is declared here}}
};

int test3 = __builtin_offsetof(struct has_bitfields, j); // expected-error{{cannot compute offset of bit-field 'j'}}

// offsetof referring to members of a base class.
struct Base1 { 
  int x;
};

struct Base2 {
  int y;
};

struct Derived2 : public Base1, public Base2 {
  int z; 
};

int derived1[__builtin_offsetof(Derived2, x) == 0? 1 : -1];
int derived2[__builtin_offsetof(Derived2, y)  == 4? 1 : -1];
int derived3[__builtin_offsetof(Derived2, z)  == 8? 1 : -1];

// offsetof referring to anonymous struct in base.
// PR7769
struct foo {
    struct {
        int x;
    };
};

struct bar : public foo  {
};

int anonstruct[__builtin_offsetof(bar, x) == 0 ? 1 : -1];

struct LtoRCheck {
  int a[10];
  int f();
};
int ltor = __builtin_offsetof(struct LtoRCheck, a[LtoRCheck().f]); // \
  expected-error {{reference to non-static member function must be called}}

namespace PR17578 {
struct Base {
  int Field;
};
struct Derived : virtual Base {
  void Fun() { (void)__builtin_offsetof(Derived, Field); } // expected-warning {{offset of on non-POD type}} \
                                                              expected-error {{invalid application of 'offsetof' to a field of a virtual base}}
};
}
@


1.1.1.1.4.1
log
@file offsetof.cpp was added on branch yamt-pagecache on 2014-05-22 16:19:41 +0000
@
text
@d1 85
@


1.1.1.1.4.2
log
@sync with head.

for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.

this commit was splitted into small chunks to avoid
a limitation of cvs.  ("Protocol error: too many arguments")
@
text
@a0 85
// RUN: %clang_cc1 -triple x86_64-apple-darwin10.0.0 -fsyntax-only -verify %s -Winvalid-offsetof

struct NonPOD {
  virtual void f();
  int m;
};

struct P {
  NonPOD fieldThatPointsToANonPODType;
};

void f() {
  int i = __builtin_offsetof(P, fieldThatPointsToANonPODType.m); // expected-warning{{offset of on non-POD type 'P'}}
}

struct Base { int x; };
struct Derived : Base { int y; };
int o = __builtin_offsetof(Derived, x); // expected-warning{{offset of on non-POD type}}

const int o2 = sizeof(__builtin_offsetof(Derived, x));

struct HasArray {
  int array[17];
};

// Constant and non-constant offsetof expressions
void test_ice(int i) {
  int array0[__builtin_offsetof(HasArray, array[5])];
  int array1[__builtin_offsetof(HasArray, array[i])];
}

// Bitfields
struct has_bitfields {
  int i : 7;
  int j : 12; // expected-note{{bit-field is declared here}}
};

int test3 = __builtin_offsetof(struct has_bitfields, j); // expected-error{{cannot compute offset of bit-field 'j'}}

// offsetof referring to members of a base class.
struct Base1 { 
  int x;
};

struct Base2 {
  int y;
};

struct Derived2 : public Base1, public Base2 {
  int z; 
};

int derived1[__builtin_offsetof(Derived2, x) == 0? 1 : -1];
int derived2[__builtin_offsetof(Derived2, y)  == 4? 1 : -1];
int derived3[__builtin_offsetof(Derived2, z)  == 8? 1 : -1];

// offsetof referring to anonymous struct in base.
// PR7769
struct foo {
    struct {
        int x;
    };
};

struct bar : public foo  {
};

int anonstruct[__builtin_offsetof(bar, x) == 0 ? 1 : -1];

struct LtoRCheck {
  int a[10];
  int f();
};
int ltor = __builtin_offsetof(struct LtoRCheck, a[LtoRCheck().f]); // \
  expected-error {{reference to non-static member function must be called}}

namespace PR17578 {
struct Base {
  int Field;
};
struct Derived : virtual Base {
  void Fun() { (void)__builtin_offsetof(Derived, Field); } // expected-warning {{offset of on non-POD type}} \
                                                              expected-error {{invalid application of 'offsetof' to a field of a virtual base}}
};
}
@


