Daniel Dunbar | a572887 | 2009-12-15 20:14:24 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -triple i686-pc-linux-gnu %s -o - -emit-llvm -verify | FileCheck %s |
Eli Friedman | eaea8c4 | 2009-11-16 05:16:40 +0000 | [diff] [blame] | 2 | |
John McCall | 6ec278d | 2011-01-27 09:37:56 +0000 | [diff] [blame] | 3 | typedef __typeof(sizeof(int)) size_t; |
Eli Friedman | eaea8c4 | 2009-11-16 05:16:40 +0000 | [diff] [blame] | 4 | |
John McCall | 6ec278d | 2011-01-27 09:37:56 +0000 | [diff] [blame] | 5 | namespace test1 { |
| 6 | struct A { void operator delete(void*,size_t); int x; }; |
| 7 | |
| 8 | // CHECK: 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: 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: 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 | } |