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130e93cc26
Since C++14 has been released for about nine years and most standard libraries have implemented sized deallocation functions, it's time to make this feature default again. This is another try of https://reviews.llvm.org/D112921. The original commit cf5a8b4 was reverted by 2e5035a due to some failures (see #83774). Fixes #60061
115 lines
4.0 KiB
C++
115 lines
4.0 KiB
C++
// Check that delete exprs call the sized deallocation function if
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// -fsized-deallocation is passed in C++11 or std >= C++14.
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// RUN: %clang_cc1 -std=c++11 -fsized-deallocation %s -emit-llvm -triple x86_64-linux-gnu -o - | FileCheck %s
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// RUN: %clang_cc1 -std=c++14 %s -emit-llvm -triple x86_64-linux-gnu -o - | FileCheck %s
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// Check that we don't used sized deallocation with -fno-sized-deallocation or without C++14.
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// RUN: %clang_cc1 -std=c++11 %s -emit-llvm -triple x86_64-linux-gnu -o - | FileCheck %s --check-prefix=CHECK-UNSIZED
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// RUN: %clang_cc1 -std=c++14 %s -emit-llvm -triple x86_64-linux-gnu -fno-sized-deallocation -o - \
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// RUN: | FileCheck %s --check-prefix=CHECK-UNSIZED
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// CHECK-UNSIZED-NOT: _ZdlPvm
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// CHECK-UNSIZED-NOT: _ZdaPvm
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typedef decltype(sizeof(0)) size_t;
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typedef int A;
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struct B { int n; };
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struct C { ~C() {} };
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struct D { D(); virtual ~D() {} };
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struct E {
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void *operator new(size_t);
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void *operator new[](size_t);
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void operator delete(void *) noexcept;
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void operator delete[](void *) noexcept;
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};
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struct F {
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void *operator new(size_t);
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void *operator new[](size_t);
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void operator delete(void *, size_t) noexcept;
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void operator delete[](void *, size_t) noexcept;
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};
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template<typename T> T get();
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template<typename T>
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void del() {
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::delete get<T*>();
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::delete[] get<T*>();
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delete get<T*>();
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delete[] get<T*>();
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}
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template void del<A>();
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template void del<B>();
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template void del<C>();
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template void del<D>();
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template void del<E>();
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template void del<F>();
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D::D() {}
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// CHECK-LABEL: define weak_odr void @_Z3delIiEvv()
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// CHECK: call void @_ZdlPvm(ptr noundef %{{[^ ]*}}, i64 noundef 4)
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// CHECK: call void @_ZdaPv(ptr noundef %{{[^ ]*}})
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//
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// CHECK: call void @_ZdlPvm(ptr noundef %{{[^ ]*}}, i64 noundef 4)
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// CHECK: call void @_ZdaPv(ptr noundef %{{[^ ]*}})
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// CHECK-LABEL: declare void @_ZdlPvm(ptr
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// CHECK-LABEL: define weak_odr void @_Z3delI1BEvv()
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// CHECK: call void @_ZdlPvm(ptr noundef %{{[^ ]*}}, i64 noundef 4)
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// CHECK: call void @_ZdaPv(ptr noundef %{{[^ ]*}})
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//
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// CHECK: call void @_ZdlPvm(ptr noundef %{{[^ ]*}}, i64 noundef 4)
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// CHECK: call void @_ZdaPv(ptr noundef %{{[^ ]*}})
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// CHECK-LABEL: define weak_odr void @_Z3delI1CEvv()
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// CHECK: call void @_ZdlPvm(ptr noundef %{{[^ ]*}}, i64 noundef 1)
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// CHECK: mul i64 1, %{{[^ ]*}}
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// CHECK: add i64 %{{[^ ]*}}, 8
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// CHECK: call void @_ZdaPvm(ptr noundef %{{[^ ]*}}, i64 noundef %{{[^ ]*}})
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//
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// CHECK: call void @_ZdlPvm(ptr noundef %{{[^ ]*}}, i64 noundef 1)
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// CHECK: mul i64 1, %{{[^ ]*}}
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// CHECK: add i64 %{{[^ ]*}}, 8
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// CHECK: call void @_ZdaPvm(ptr noundef %{{[^ ]*}}, i64 noundef %{{[^ ]*}})
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// CHECK-LABEL: declare void @_ZdaPvm(ptr
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// CHECK-LABEL: define weak_odr void @_Z3delI1DEvv()
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// CHECK: call void @_ZdlPvm(ptr noundef %{{[^ ]*}}, i64 noundef 8)
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// CHECK: mul i64 8, %{{[^ ]*}}
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// CHECK: add i64 %{{[^ ]*}}, 8
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// CHECK: call void @_ZdaPvm(ptr noundef %{{[^ ]*}}, i64 noundef %{{[^ ]*}})
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//
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// CHECK-NOT: Zdl
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// CHECK: call void %{{.*}}
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// CHECK-NOT: Zdl
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// CHECK: mul i64 8, %{{[^ ]*}}
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// CHECK: add i64 %{{[^ ]*}}, 8
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// CHECK: call void @_ZdaPvm(ptr noundef %{{[^ ]*}}, i64 noundef %{{[^ ]*}})
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// CHECK-LABEL: define weak_odr void @_Z3delI1EEvv()
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// CHECK: call void @_ZdlPvm(ptr noundef %{{[^ ]*}}, i64 noundef 1)
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// CHECK: call void @_ZdaPv(ptr noundef %{{[^ ]*}})
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//
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// CHECK: call void @_ZN1EdlEPv(ptr noundef %{{[^ ]*}})
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// CHECK: call void @_ZN1EdaEPv(ptr noundef %{{[^ ]*}})
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// CHECK-LABEL: define weak_odr void @_Z3delI1FEvv()
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// CHECK: call void @_ZdlPvm(ptr noundef %{{[^ ]*}}, i64 noundef 1)
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// CHECK: mul i64 1, %{{[^ ]*}}
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// CHECK: add i64 %{{[^ ]*}}, 8
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// CHECK: call void @_ZdaPvm(ptr noundef %{{[^ ]*}}, i64 noundef %{{[^ ]*}})
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//
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// CHECK: call void @_ZN1FdlEPvm(ptr noundef %{{[^ ]*}}, i64 noundef 1)
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// CHECK: mul i64 1, %{{[^ ]*}}
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// CHECK: add i64 %{{[^ ]*}}, 8
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// CHECK: call void @_ZN1FdaEPvm(ptr noundef %{{[^ ]*}}, i64 noundef %{{[^ ]*}})
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// CHECK-LABEL: define linkonce_odr void @_ZN1DD0Ev(ptr {{[^,]*}} %this)
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// CHECK: call void @_ZdlPvm(ptr noundef %{{[^ ]*}}, i64 noundef 8)
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