Files
clang-p2996/clang/test/SemaTemplate/attributes.cpp
Michael Kruse 41dd6ced2c Revert "Append new attributes to the end of an AttributeList."
This reverts commit r335084 as requested by David Jones and
Eric Christopher because of differences of emitted warnings.

llvm-svn: 335516
2018-06-25 20:06:13 +00:00

66 lines
2.0 KiB
C++

// RUN: %clang_cc1 -std=gnu++11 -fsyntax-only -verify %s
// RUN: not %clang_cc1 -std=gnu++11 -ast-dump %s | FileCheck %s
namespace attribute_aligned {
template<int N>
struct X {
char c[1] __attribute__((__aligned__((N)))); // expected-error {{alignment is not a power of 2}}
};
template <bool X> struct check {
int check_failed[X ? 1 : -1]; // expected-error {{array with a negative size}}
};
template <int N> struct check_alignment {
typedef check<N == sizeof(X<N>)> t; // expected-note {{in instantiation}}
};
check_alignment<1>::t c1;
check_alignment<2>::t c2;
check_alignment<3>::t c3; // expected-note 2 {{in instantiation}}
check_alignment<4>::t c4;
template<unsigned Size, unsigned Align>
class my_aligned_storage
{
__attribute__((aligned(Align))) char storage[Size];
};
template<typename T>
class C {
public:
C() {
static_assert(sizeof(t) == sizeof(T), "my_aligned_storage size wrong");
static_assert(alignof(t) == alignof(T), "my_aligned_storage align wrong"); // expected-warning{{'alignof' applied to an expression is a GNU extension}}
}
private:
my_aligned_storage<sizeof(T), alignof(T)> t;
};
C<double> cd;
}
namespace PR9049 {
extern const void *CFRetain(const void *ref);
template<typename T> __attribute__((cf_returns_retained))
inline T WBCFRetain(T aValue) { return aValue ? (T)CFRetain(aValue) : (T)0; }
extern void CFRelease(const void *ref);
template<typename T>
inline void WBCFRelease(__attribute__((cf_consumed)) T aValue) { if(aValue) CFRelease(aValue); }
}
// CHECK: FunctionTemplateDecl {{.*}} HasAnnotations
// CHECK: AnnotateAttr {{.*}} "ANNOTATE_BAR"
// CHECK: AnnotateAttr {{.*}} "ANNOTATE_FOO"
// CHECK: FunctionDecl {{.*}} HasAnnotations
// CHECK: TemplateArgument type 'int'
// CHECK: AnnotateAttr {{.*}} "ANNOTATE_BAR"
// CHECK: AnnotateAttr {{.*}} "ANNOTATE_FOO"
template<typename T> [[clang::annotate("ANNOTATE_FOO"), clang::annotate("ANNOTATE_BAR")]] void HasAnnotations();
void UseAnnotations() { HasAnnotations<int>(); }