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-rw-r--r--clang/test/CodeGenCXX/delete.cpp135
1 files changed, 135 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/delete.cpp b/clang/test/CodeGenCXX/delete.cpp
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+++ b/clang/test/CodeGenCXX/delete.cpp
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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 {
+ public: 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;
+ }
+}
+
+namespace test5 {
+ struct Incomplete;
+ // CHECK: define void @_ZN5test523array_delete_incompleteEPNS_10IncompleteES1_
+ void array_delete_incomplete(Incomplete *p1, Incomplete *p2) {
+ // CHECK: call void @_ZdlPv
+ delete p1;
+ // CHECK: call void @_ZdaPv
+ delete [] p2;
+ }
+}