| 1 | // RUN: %clang_cc1 -triple x86_64-unknown-unknown %s \ |
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| 2 | // RUN: -faligned-allocation -fsized-deallocation -emit-llvm -o - \ |
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| 3 | // RUN: | FileCheck %s |
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| 4 | |
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| 5 | typedef __SIZE_TYPE__ size_t; |
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| 6 | |
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| 7 | // Declare an 'operator new' template to tickle a bug in __builtin_operator_new. |
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| 8 | template<typename T> void *operator new(size_t, int (*)(T)); |
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| 9 | |
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| 10 | // Ensure that this declaration doesn't cause operator new to lose its |
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| 11 | // 'noalias' attribute. |
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| 12 | void *operator new(size_t); |
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| 13 | |
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| 14 | namespace std { |
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| 15 | struct nothrow_t {}; |
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| 16 | enum class align_val_t : size_t { __zero = 0, |
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| 17 | __max = (size_t)-1 }; |
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| 18 | } |
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| 19 | std::nothrow_t nothrow; |
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| 20 | |
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| 21 | // Declare the reserved placement operators. |
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| 22 | void *operator new(size_t, void*) throw(); |
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| 23 | void operator delete(void*, void*) throw(); |
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| 24 | void *operator new[](size_t, void*) throw(); |
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| 25 | void operator delete[](void*, void*) throw(); |
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| 26 | |
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| 27 | // Declare the replaceable global allocation operators. |
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| 28 | void *operator new(size_t, const std::nothrow_t &) throw(); |
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| 29 | void *operator new[](size_t, const std::nothrow_t &) throw(); |
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| 30 | void operator delete(void *, const std::nothrow_t &) throw(); |
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| 31 | void operator delete[](void *, const std::nothrow_t &) throw(); |
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| 32 | |
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| 33 | // Declare some other placement operators. |
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| 34 | void *operator new(size_t, void*, bool) throw(); |
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| 35 | void *operator new[](size_t, void*, bool) throw(); |
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| 36 | |
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| 37 | |
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| 38 | // CHECK-LABEL: define void @test_basic( |
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| 39 | extern "C" void test_basic() { |
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| 40 | // CHECK: call i8* @_Znwm(i64 4) [[ATTR_BUILTIN_NEW:#[^ ]*]] |
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| 41 | // CHECK: call void @_ZdlPv({{.*}}) [[ATTR_BUILTIN_DELETE:#[^ ]*]] |
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| 42 | // CHECK: ret void |
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| 43 | __builtin_operator_delete(__builtin_operator_new(4)); |
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| 44 | } |
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| 45 | // CHECK: declare noalias i8* @_Znwm(i64) [[ATTR_NOBUILTIN:#[^ ]*]] |
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| 46 | // CHECK: declare void @_ZdlPv(i8*) [[ATTR_NOBUILTIN_NOUNWIND:#[^ ]*]] |
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| 47 | |
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| 48 | // CHECK-LABEL: define void @test_aligned_alloc( |
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| 49 | extern "C" void test_aligned_alloc() { |
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| 50 | // CHECK: call i8* @_ZnwmSt11align_val_t(i64 4, i64 4) [[ATTR_BUILTIN_NEW:#[^ ]*]] |
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| 51 | // CHECK: call void @_ZdlPvSt11align_val_t({{.*}}, i64 4) [[ATTR_BUILTIN_DELETE:#[^ ]*]] |
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| 52 | __builtin_operator_delete(__builtin_operator_new(4, std::align_val_t(4)), std::align_val_t(4)); |
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| 53 | } |
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| 54 | // CHECK: declare noalias i8* @_ZnwmSt11align_val_t(i64, i64) [[ATTR_NOBUILTIN:#[^ ]*]] |
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| 55 | // CHECK: declare void @_ZdlPvSt11align_val_t(i8*, i64) [[ATTR_NOBUILTIN_NOUNWIND:#[^ ]*]] |
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| 56 | |
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| 57 | |
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| 58 | // CHECK-LABEL: define void @test_sized_delete( |
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| 59 | extern "C" void test_sized_delete() { |
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| 60 | // CHECK: call i8* @_Znwm(i64 4) [[ATTR_BUILTIN_NEW:#[^ ]*]] |
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| 61 | // CHECK: call void @_ZdlPvm({{.*}}, i64 4) [[ATTR_BUILTIN_DELETE:#[^ ]*]] |
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| 62 | __builtin_operator_delete(__builtin_operator_new(4), 4); |
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| 63 | } |
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| 64 | // CHECK: declare void @_ZdlPvm(i8*, i64) [[ATTR_NOBUILTIN_UNWIND:#[^ ]*]] |
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| 65 | |
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| 66 | |
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| 67 | // CHECK-DAG: attributes [[ATTR_NOBUILTIN]] = {{[{].*}} nobuiltin {{.*[}]}} |
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| 68 | // CHECK-DAG: attributes [[ATTR_NOBUILTIN_NOUNWIND]] = {{[{].*}} nobuiltin nounwind {{.*[}]}} |
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| 69 | |
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| 70 | // CHECK-DAG: attributes [[ATTR_BUILTIN_NEW]] = {{[{].*}} builtin {{.*[}]}} |
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| 71 | // CHECK-DAG: attributes [[ATTR_BUILTIN_DELETE]] = {{[{].*}} builtin {{.*[}]}} |
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| 72 | |
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