1 // RUN: not %clang_cc1 -triple i686-pc-linux-gnu %s -o - -emit-llvm -verify | FileCheck %s 2 3 typedef __typeof(sizeof(int)) size_t; 4 5 namespace test1 { 6 struct A { void operator delete(void*,size_t); int x; }; 7 8 // CHECK-LABEL: define void @_ZN5test11aEPNS_1AE( 9 void a(A *x) { 10 // CHECK: load 11 // CHECK-NEXT: icmp eq {{.*}}, null 12 // CHECK-NEXT: br i1 13 // CHECK: call void @_ZN5test11AdlEPvj(i8* %{{.*}}, i32 4) 14 delete x; 15 } 16 } 17 18 // Check that we make cookies for the two-arg delete even when using 19 // the global allocator and deallocator. 20 namespace test2 { 21 struct A { 22 int x; 23 void *operator new[](size_t); 24 void operator delete[](void *, size_t); 25 }; 26 27 // CHECK: define [[A:%.*]]* @_ZN5test24testEv() 28 A *test() { 29 // CHECK: [[NEW:%.*]] = call noalias i8* @_Znaj(i32 44) 30 // CHECK-NEXT: [[T0:%.*]] = bitcast i8* [[NEW]] to i32* 31 // CHECK-NEXT: store i32 10, i32* [[T0]] 32 // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds i8* [[NEW]], i64 4 33 // CHECK-NEXT: [[T2:%.*]] = bitcast i8* [[T1]] to [[A]]* 34 // CHECK-NEXT: ret [[A]]* [[T2]] 35 return ::new A[10]; 36 } 37 38 // CHECK-LABEL: define void @_ZN5test24testEPNS_1AE( 39 void test(A *p) { 40 // CHECK: [[P:%.*]] = alloca [[A]]*, align 4 41 // CHECK-NEXT: store [[A]]* {{%.*}}, [[A]]** [[P]], align 4 42 // CHECK-NEXT: [[T0:%.*]] = load [[A]]** [[P]], align 4 43 // CHECK-NEXT: [[T1:%.*]] = icmp eq [[A]]* [[T0]], null 44 // CHECK-NEXT: br i1 [[T1]], 45 // CHECK: [[T2:%.*]] = bitcast [[A]]* [[T0]] to i8* 46 // CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds i8* [[T2]], i64 -4 47 // CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to i32* 48 // CHECK-NEXT: [[T5:%.*]] = load i32* [[T4]] 49 // CHECK-NEXT: call void @_ZdaPv(i8* [[T3]]) 50 // CHECK-NEXT: br label 51 ::delete[] p; 52 } 53 } 54 55 // rdar://problem/8913519 56 namespace test3 { 57 struct A { 58 int x; 59 void operator delete[](void *, size_t); 60 }; 61 struct B : A {}; 62 63 // CHECK-LABEL: define void @_ZN5test34testEv() 64 void test() { 65 // CHECK: call noalias i8* @_Znaj(i32 24) 66 // CHECK-NEXT: bitcast 67 // CHECK-NEXT: store i32 5 68 (void) new B[5]; 69 } 70 } 71