| 1 | // RUN: %clang_cc1 -triple i686-pc-linux-gnu %s -o - -emit-llvm -verify | FileCheck %s |
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| 2 | // expected-no-diagnostics |
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| 3 | |
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| 4 | typedef __typeof(sizeof(int)) size_t; |
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| 5 | |
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| 6 | namespace test1 { |
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| 7 | struct A { void operator delete(void*,size_t); int x; }; |
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| 8 | |
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| 9 | // CHECK-LABEL: define void @_ZN5test11aEPNS_1AE( |
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| 10 | void a(A *x) { |
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| 11 | // CHECK: load |
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| 12 | // CHECK-NEXT: icmp eq {{.*}}, null |
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| 13 | // CHECK-NEXT: br i1 |
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| 14 | // CHECK: call void @_ZN5test11AdlEPvj(i8* %{{.*}}, i32 4) |
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| 15 | delete x; |
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| 16 | } |
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| 17 | } |
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| 18 | |
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| 19 | // Check that we make cookies for the two-arg delete even when using |
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| 20 | // the global allocator and deallocator. |
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| 21 | namespace test2 { |
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| 22 | struct A { |
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| 23 | int x; |
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| 24 | void *operator new[](size_t); |
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| 25 | void operator delete[](void *, size_t); |
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| 26 | }; |
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| 27 | |
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| 28 | // CHECK: define [[A:%.*]]* @_ZN5test24testEv() |
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| 29 | A *test() { |
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| 30 | // CHECK: [[NEW:%.*]] = call i8* @_Znaj(i32 44) |
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| 31 | // CHECK-NEXT: [[T0:%.*]] = bitcast i8* [[NEW]] to i32* |
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| 32 | // CHECK-NEXT: store i32 10, i32* [[T0]] |
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| 33 | // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds i8, i8* [[NEW]], i32 4 |
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| 34 | // CHECK-NEXT: [[T2:%.*]] = bitcast i8* [[T1]] to [[A]]* |
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| 35 | // CHECK-NEXT: ret [[A]]* [[T2]] |
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| 36 | return ::new A[10]; |
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| 37 | } |
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| 38 | |
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| 39 | // CHECK-LABEL: define void @_ZN5test24testEPNS_1AE( |
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| 40 | void test(A *p) { |
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| 41 | // CHECK: [[P:%.*]] = alloca [[A]]*, align 4 |
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| 42 | // CHECK-NEXT: store [[A]]* {{%.*}}, [[A]]** [[P]], align 4 |
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| 43 | // CHECK-NEXT: [[T0:%.*]] = load [[A]]*, [[A]]** [[P]], align 4 |
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| 44 | // CHECK-NEXT: [[T1:%.*]] = icmp eq [[A]]* [[T0]], null |
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| 45 | // CHECK-NEXT: br i1 [[T1]], |
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| 46 | // CHECK: [[T2:%.*]] = bitcast [[A]]* [[T0]] to i8* |
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| 47 | // CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds i8, i8* [[T2]], i32 -4 |
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| 48 | // CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to i32* |
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| 49 | // CHECK-NEXT: [[T5:%.*]] = load i32, i32* [[T4]] |
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| 50 | // CHECK-NEXT: call void @_ZdaPv(i8* [[T3]]) |
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| 51 | // CHECK-NEXT: br label |
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| 52 | ::delete[] p; |
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| 53 | } |
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| 54 | } |
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| 55 | |
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| 56 | // rdar://problem/8913519 |
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| 57 | namespace test3 { |
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| 58 | struct A { |
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| 59 | int x; |
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| 60 | void operator delete[](void *, size_t); |
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| 61 | }; |
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| 62 | struct B : A {}; |
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| 63 | |
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| 64 | // CHECK-LABEL: define void @_ZN5test34testEv() |
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| 65 | void test() { |
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| 66 | // CHECK: call i8* @_Znaj(i32 24) |
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| 67 | // CHECK-NEXT: bitcast |
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| 68 | // CHECK-NEXT: store i32 5 |
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| 69 | (void) new B[5]; |
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| 70 | } |
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| 71 | } |
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| 72 | |
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