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// RUN: %clang_cc1 -triple x86_64-apple-darwin10 %s -emit-llvm -o - | FileCheck %s
void t1(int *a) {
delete a;
}
struct S {
int a;
};
// POD types.
void t3(S *s) {
delete s;
}
// Non-POD
struct T {
~T();
int a;
};
// CHECK: define void @_Z2t4P1T
void t4(T *t) {
// CHECK: call void @_ZN1TD1Ev
// CHECK-NEXT: bitcast
// CHECK-NEXT: call void @_ZdlPv
delete t;
}
// PR5102
template <typename T>
class A {
operator T *() const;
};
void f() {
A<char*> a;
delete a;
}
namespace test0 {
struct A {
void *operator new(__SIZE_TYPE__ sz);
void operator delete(void *p) { ::operator delete(p); }
~A() {}
};
// CHECK: define void @_ZN5test04testEPNS_1AE(
void test(A *a) {
// CHECK: call void @_ZN5test01AD1Ev
// CHECK-NEXT: bitcast
// CHECK-NEXT: call void @_ZN5test01AdlEPv
delete a;
}
// CHECK: define linkonce_odr void @_ZN5test01AD1Ev(%"struct.test0::A"* %this) unnamed_addr
// CHECK: define linkonce_odr void @_ZN5test01AdlEPv
}
namespace test1 {
struct A {
int x;
~A();
};
// CHECK: define void @_ZN5test14testEPA10_A20_NS_1AE(
void test(A (*arr)[10][20]) {
delete [] arr;
// CHECK: icmp eq [10 x [20 x [[A:%.*]]]]* [[PTR:%.*]], null
// CHECK-NEXT: br i1
// CHECK: [[BEGIN:%.*]] = getelementptr inbounds [10 x [20 x [[A]]]]* [[PTR]], i32 0, i32 0, i32 0
// CHECK-NEXT: [[T0:%.*]] = bitcast [[A]]* [[BEGIN]] to i8*
// CHECK-NEXT: [[ALLOC:%.*]] = getelementptr inbounds i8* [[T0]], i64 -8
// CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[ALLOC]] to i64*
// CHECK-NEXT: [[COUNT:%.*]] = load i64* [[T1]]
// CHECK: [[END:%.*]] = getelementptr inbounds [[A]]* [[BEGIN]], i64 [[COUNT]]
// CHECK-NEXT: [[ISEMPTY:%.*]] = icmp eq [[A]]* [[BEGIN]], [[END]]
// CHECK-NEXT: br i1 [[ISEMPTY]],
// CHECK: [[PAST:%.*]] = phi [[A]]* [ [[END]], {{%.*}} ], [ [[CUR:%.*]], {{%.*}} ]
// CHECK-NEXT: [[CUR:%.*]] = getelementptr inbounds [[A]]* [[PAST]], i64 -1
// CHECK-NEXT: call void @_ZN5test11AD1Ev([[A]]* [[CUR]])
// CHECK-NEXT: [[ISDONE:%.*]] = icmp eq [[A]]* [[CUR]], [[BEGIN]]
// CHECK-NEXT: br i1 [[ISDONE]]
// CHECK: call void @_ZdaPv(i8* [[ALLOC]])
}
}
namespace test2 {
// CHECK: define void @_ZN5test21fEPb
void f(bool *b) {
// CHECK: call void @_ZdlPv(i8*
delete b;
// CHECK: call void @_ZdaPv(i8*
delete [] b;
}
}
namespace test3 {
void f(int a[10][20]) {
// CHECK: call void @_ZdaPv(i8*
delete a;
}
}
namespace test4 {
// PR10341: ::delete with a virtual destructor
struct X {
virtual ~X();
void operator delete (void *);
};
// CHECK: define void @_ZN5test421global_delete_virtualEPNS_1XE
void global_delete_virtual(X *xp) {
// CHECK: [[VTABLE:%.*]] = load void ([[X:%.*]])***
// CHECK-NEXT: [[VFN:%.*]] = getelementptr inbounds void ([[X]])** [[VTABLE]], i64 0
// CHECK-NEXT: [[VFNPTR:%.*]] = load void ([[X]])** [[VFN]]
// CHECK-NEXT: call void [[VFNPTR]]([[X]] [[OBJ:%.*]])
// CHECK-NEXT: [[OBJVOID:%.*]] = bitcast [[X]] [[OBJ]] to i8*
// CHECK-NEXT: call void @_ZdlPv(i8* [[OBJVOID]]) nounwind
::delete xp;
}
}
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