llvm-project/clang/test/CodeGenCXX/armv7k.cpp

72 lines
2.4 KiB
C++

// RUN: %clang_cc1 -no-opaque-pointers %s -triple=thumbv7k-apple-watchos -emit-llvm -o - -target-abi aapcs16 | FileCheck %s
// RUN: %clang_cc1 -no-opaque-pointers %s -triple=thumbv7k-apple-watchos -emit-llvm -o - -target-abi aapcs16 | FileCheck -check-prefix=CHECK-GLOBALS %s
// RUN: %clang_cc1 -no-opaque-pointers %s -triple=arm64_32-apple-ios -emit-llvm -o - -target-abi darwinpcs | FileCheck %s
// RUN: %clang_cc1 -no-opaque-pointers %s -triple=arm64_32-apple-ios -emit-llvm -o - -target-abi darwinpcs | FileCheck -check-prefix=CHECK-GLOBALS %s
// __cxa_guard_acquire argument is 64-bit
// rdar://11540122
struct A {
A();
};
void f() {
// CHECK: call i32 @__cxa_guard_acquire(i32*
static A a;
}
// ARM64 uses the C++11 definition of POD.
// rdar://12650514
namespace test1 {
// This class is POD in C++11 and cannot have objects allocated in
// its tail-padding.
struct ABase {};
struct A : ABase {
int x;
char c;
};
struct B : A {
char d;
};
int test() {
return sizeof(B);
}
// CHECK: define{{.*}} i32 @_ZN5test14testEv()
// CHECK: ret i32 12
}
namespace std {
class type_info;
}
// ARM64 uses string comparisons for what would otherwise be
// default-visibility weak RTTI. rdar://12650568
namespace test2 {
struct A {
virtual void foo();
};
void A::foo() {}
// Tested below because these globals get kindof oddly rearranged.
struct __attribute__((visibility("hidden"))) B {};
const std::type_info &b0 = typeid(B);
// CHECK-GLOBALS: @_ZTSN5test21BE = linkonce_odr hidden constant
// CHECK-GLOBALS: @_ZTIN5test21BE = linkonce_odr hidden constant { {{.*}}, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @_ZTSN5test21BE, i32 0, i32 0) }
const std::type_info &b1 = typeid(B*);
// CHECK-GLOBALS: @_ZTSPN5test21BE = linkonce_odr hidden constant
// CHECK-GLOBALS: @_ZTIPN5test21BE = linkonce_odr hidden constant { {{.*}}, i8* getelementptr inbounds ([12 x i8], [12 x i8]* @_ZTSPN5test21BE, i32 0, i32 0), i32 0, i8* bitcast
struct C {};
const std::type_info &c0 = typeid(C);
// CHECK-GLOBALS: @_ZTSN5test21CE = linkonce_odr constant [11 x i8] c"N5test21CE\00"
// CHECK-GLOBALS: @_ZTIN5test21CE = linkonce_odr constant { {{.*}}, i8* getelementptr inbounds ([11 x i8], [11 x i8]* @_ZTSN5test21CE, i32 0, i32 0) }
}
// va_list should be based on "char *" rather than "void *".
// CHECK: define{{.*}} void @_Z11whatsVaListPc
void whatsVaList(__builtin_va_list l) {}