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// RUN: %clang_cc1 -triple i686-pc-linux-gnu %s -o - -emit-llvm -verify | FileCheck %s
typedef __typeof(sizeof(int)) size_t;
namespace test1 {
struct A { void operator delete(void*,size_t); int x; };
// CHECK: define void @_ZN5test11aEPNS_1AE(
void a(A *x) {
// CHECK: load
// CHECK-NEXT: icmp eq {{.*}}, null
// CHECK-NEXT: br i1
// CHECK: call void @_ZN5test11AdlEPvj(i8* %{{.*}}, i32 4)
delete x;
}
}
// Check that we make cookies for the two-arg delete even when using
// the global allocator and deallocator.
namespace test2 {
struct A {
int x;
void *operator new[](size_t);
void operator delete[](void *, size_t);
};
// CHECK: define [[A:%.*]]* @_ZN5test24testEv()
A *test() {
// CHECK: [[NEW:%.*]] = call noalias i8* @_Znaj(i32 44)
// CHECK-NEXT: [[T0:%.*]] = bitcast i8* [[NEW]] to i32*
// CHECK-NEXT: store i32 10, i32* [[T0]]
// CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds i8* [[NEW]], i64 4
// CHECK-NEXT: [[T2:%.*]] = bitcast i8* [[T1]] to [[A]]*
// CHECK-NEXT: ret [[A]]* [[T2]]
return ::new A[10];
}
// CHECK: define void @_ZN5test24testEPNS_1AE(
void test(A *p) {
// CHECK: [[P:%.*]] = alloca [[A]]*, align 4
// CHECK-NEXT: store [[A]]* {{%.*}}, [[A]]** [[P]], align 4
// CHECK-NEXT: [[T0:%.*]] = load [[A]]** [[P]], align 4
// CHECK-NEXT: [[T1:%.*]] = icmp eq [[A]]* [[T0]], null
// CHECK-NEXT: br i1 [[T1]],
// CHECK: [[T2:%.*]] = bitcast [[A]]* [[T0]] to i8*
// CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds i8* [[T2]], i64 -4
// CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to i32*
// CHECK-NEXT: [[T5:%.*]] = load i32* [[T4]]
// CHECK-NEXT: call void @_ZdaPv(i8* [[T3]])
// CHECK-NEXT: br label
::delete[] p;
}
}
// rdar://problem/8913519
namespace test3 {
struct A {
int x;
void operator delete[](void *, size_t);
};
struct B : A {};
// CHECK: define void @_ZN5test34testEv()
void test() {
// CHECK: call noalias i8* @_Znaj(i32 24)
// CHECK-NEXT: bitcast
// CHECK-NEXT: store i32 5
(void) new B[5];
}
}
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