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// RUN: %clang_cc1 -triple x86_64-linux -emit-llvm -o - %s -fcxx-exceptions | FileCheck %s
// RUN: %clang_cc1 -triple x86_64-linux -emit-llvm -o - %s -fcxx-exceptions -fexperimental-new-constant-interpreter | FileCheck %s
#ifdef __SIZEOF_INT128__
// CHECK: @PR11705 = global i128 0
__int128_t PR11705 = (__int128_t)&PR11705;
#endif
int arr[2];
// CHECK: @pastEnd = constant ptr getelementptr (i8, ptr @arr, i64 8)
int &pastEnd = arr[2];
// CHECK: @F = constant ptr @arr, align 8
int &F = arr[0];
struct S {
int a;
float c[3];
};
// CHECK: @s = global %struct.S zeroinitializer, align 4
S s;
// CHECK: @sp = constant ptr getelementptr (i8, ptr @s, i64 16), align 8
float &sp = s.c[3];
namespace BaseClassOffsets {
struct A { int a; };
struct B { int b; };
struct C : A, B { int c; };
extern C c;
// CHECK: @_ZN16BaseClassOffsets1aE = global ptr @_ZN16BaseClassOffsets1cE, align 8
A* a = &c;
// CHECK: @_ZN16BaseClassOffsets1bE = global ptr getelementptr (i8, ptr @_ZN16BaseClassOffsets1cE, i64 4), align 8
B* b = &c;
}
namespace ExprBase {
struct A { int n; };
struct B { int n; };
struct C : A, B {};
extern const int &&t = ((B&&)C{}).n;
// CHECK: @_ZGRN8ExprBase1tE_ = internal global {{.*}} zeroinitializer,
// CHECK: @_ZN8ExprBase1tE = constant ptr {{.*}} @_ZGRN8ExprBase1tE_, {{.*}} 8
}
namespace reinterpretcast {
const unsigned int n = 1234;
extern const int &s = reinterpret_cast<const int&>(n);
// CHECK: @_ZN15reinterpretcastL1nE = internal constant i32 1234, align 4
// CHECK: @_ZN15reinterpretcast1sE = constant ptr @_ZN15reinterpretcastL1nE, align 8
void *f1(unsigned long l) {
return reinterpret_cast<void *>(l);
}
// CHECK: define {{.*}} ptr @_ZN15reinterpretcast2f1Em
// CHECK: inttoptr
}
namespace Bitfield {
struct S { int a : 5; ~S(); };
// CHECK: alloca
// CHECK: call {{.*}}memset
// CHECK: store i32 {{.*}}, ptr @_ZGRN8Bitfield1rE_
// CHECK: call void @_ZN8Bitfield1SD1
// CHECK: store ptr @_ZGRN8Bitfield1rE_, ptr @_ZN8Bitfield1rE, align 8
int &&r = S().a;
}
namespace Null {
decltype(nullptr) null();
// CHECK: call {{.*}} @_ZN4Null4nullEv(
int *p = null();
struct S {};
// CHECK: call {{.*}} @_ZN4Null4nullEv(
int S::*q = null();
}
struct A {
A();
~A();
enum E { Foo };
};
A *g();
void f(A *a) {
A::E e1 = a->Foo;
// CHECK: call noundef ptr @_Z1gv()
A::E e2 = g()->Foo;
// CHECK: call void @_ZN1AC1Ev(
// CHECK: call void @_ZN1AD1Ev(
A::E e3 = A().Foo;
}
int notdead() {
auto l = [c=0]() mutable {
return c++ < 5 ? 10 : 12;
};
return l();
}
// CHECK: _ZZ7notdeadvEN3$_0clEv
// CHECK: ret i32 %cond
/// The conmparison of those two parameters should NOT work.
bool paramcmp(const int& lhs, const int& rhs) {
if (&lhs == &rhs)
return true;
return false;
}
// CHECK: _Z8paramcmpRKiS0_
// CHECK: if.then
// CHECK: if.end
/// &x == &OuterX should work and return 0.
class X {
public:
X();
X(const X&);
X(const volatile X &);
~X();
};
extern X OuterX;
X test24() {
X x;
if (&x == &OuterX)
throw 0;
return x;
}
// CHECK: _Z6test24v
// CHECK-NOT: eh.resume
// CHECK-NOT: unreachable
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