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c8714d284a
As discussed in https://reviews.llvm.org/D50144, we want Obj-C classes to have the same mangling as C++ structs, to support headers like the following: ``` @class I; struct I; void f(I *); ``` since the header can be used from both C++ and Obj-C++ TUs, and we want a consistent mangling across the two to prevent link errors. Itanium mangles both the same way, and so should the MS ABI. The main concern with having the same mangling for C++ structs and Obj-C classes was that we want to treat them differently for the purposes of exception handling, e.g. we don't want a C++ catch statement for a struct to be able to catch an Obj-C class with the same name as the struct. We can accomplish this by mangling Obj-C class names differently in their RTTI, which I'll do in a follow-up patch. Differential Revision: https://reviews.llvm.org/D52581 llvm-svn: 343808
98 lines
2.9 KiB
Plaintext
98 lines
2.9 KiB
Plaintext
// RUN: %clang_cc1 -triple thumbv7-windows-msvc -fobjc-runtime=ios-6.0 -fobjc-arc -o - -emit-llvm %s | FileCheck %s
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@protocol P;
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@protocol Q;
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@class I;
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@class J<T>;
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void f(id<P>, id, id<P>, id) {}
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// CHECK-LABEL: "?f@@YAXPAU?$objc_object@U?$Protocol@UP@@@__ObjC@@@@PAUobjc_object@@01@Z"
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void f(id, id<P>, id<P>, id) {}
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// CHECK-LABEL: "?f@@YAXPAUobjc_object@@PAU?$objc_object@U?$Protocol@UP@@@__ObjC@@@@10@Z"
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void f(id<P>, id<P>) {}
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// CHECK-LABEL: "?f@@YAXPAU?$objc_object@U?$Protocol@UP@@@__ObjC@@@@0@Z"
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void f(id<P>) {}
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// CHECK-LABEL: "?f@@YAXPAU?$objc_object@U?$Protocol@UP@@@__ObjC@@@@@Z"
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void f(id<P, Q>) {}
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// CHECK-LABEL: "?f@@YAXPAU?$objc_object@U?$Protocol@UP@@@__ObjC@@U?$Protocol@UQ@@@2@@@@Z"
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void f(Class<P>) {}
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// CHECK-LABEL: "?f@@YAXPAU?$objc_class@U?$Protocol@UP@@@__ObjC@@@@@Z"
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void f(Class<P, Q>) {}
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// CHECK-LABEL: "?f@@YAXPAU?$objc_class@U?$Protocol@UP@@@__ObjC@@U?$Protocol@UQ@@@2@@@@Z"
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void f(I<P> *) {}
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// CHECK-LABEL: "?f@@YAXPAU?$I@U?$Protocol@UP@@@__ObjC@@@@@Z"
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void f(I<P, Q> *) {}
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// CHECK-LABEL: "?f@@YAXPAU?$I@U?$Protocol@UP@@@__ObjC@@U?$Protocol@UQ@@@2@@@@Z"
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template <typename>
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struct S {};
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void f(S<__unsafe_unretained id>) {}
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// CHECK-LABEL: "?f@@YAXU?$S@PAUobjc_object@@@@@Z"
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void f(S<__autoreleasing id>) {}
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// CHECK-LABEL: "?f@@YAXU?$S@U?$Autoreleasing@PAUobjc_object@@@__ObjC@@@@@Z"
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void f(S<__strong id>) {}
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// CHECK-LABEL: "?f@@YAXU?$S@U?$Strong@PAUobjc_object@@@__ObjC@@@@@Z"
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void f(S<__weak id>) {}
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// CHECK-LABEL: "?f@@YAXU?$S@U?$Weak@PAUobjc_object@@@__ObjC@@@@@Z"
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void w(__weak id) {}
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// CHECK-LABEL: "?w@@YAXPAUobjc_object@@@Z"
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void s(__strong id) {}
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// CHECK-LABEL: "?s@@YAXPAUobjc_object@@@Z"
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void a(__autoreleasing id) {}
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// CHECK-LABEL: "?a@@YAXPAUobjc_object@@@Z"
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void u(__unsafe_unretained id) {}
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// CHECK-LABEL: "?u@@YAXPAUobjc_object@@@Z"
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S<__autoreleasing id> g() { return S<__autoreleasing id>(); }
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// CHECK-LABEL: "?g@@YA?AU?$S@U?$Autoreleasing@PAUobjc_object@@@__ObjC@@@@XZ"
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__autoreleasing id h() { return nullptr; }
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// CHECK-LABEL: "?h@@YAPAUobjc_object@@XZ"
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void f(I *) {}
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// CHECK-LABEL: "?f@@YAXPAUI@@@Z"
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void f(__kindof I *) {}
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// CHECK-LABEL: "?f@@YAXPAU?$KindOf@UI@@@__ObjC@@@Z"
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void f(__kindof I<P> *) {}
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// CHECK-LABEL: "?f@@YAXPAU?$KindOf@U?$I@U?$Protocol@UP@@@__ObjC@@@@@__ObjC@@@Z"
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void f(S<I *>) {}
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// CHECK-LABEL: "?f@@YAXU?$S@U?$Strong@PAUI@@@__ObjC@@@@@Z"
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void f(S<__kindof I *>) {}
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// CHECK-LABEL: "?f@@YAXU?$S@U?$Strong@PAU?$KindOf@UI@@@__ObjC@@@__ObjC@@@@@Z"
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void f(S<__kindof I<P> *>) {}
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// CHECK-LABEL: "?f@@YAXU?$S@U?$Strong@PAU?$KindOf@U?$I@U?$Protocol@UP@@@__ObjC@@@@@__ObjC@@@__ObjC@@@@@Z"
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void f(S<__weak __kindof I *>) {}
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// CHECK-LABEL: "?f@@YAXU?$S@U?$Weak@PAU?$KindOf@UI@@@__ObjC@@@__ObjC@@@@@Z"
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void f(S<__weak __kindof I<P> *>) {}
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// CHECK-LABEL: "?f@@YAXU?$S@U?$Weak@PAU?$KindOf@U?$I@U?$Protocol@UP@@@__ObjC@@@@@__ObjC@@@__ObjC@@@@@Z"
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void f(J<I *> *) {}
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// CHECK-LABEL: "?f@@YAXPAU?$J@PAUI@@@@@Z"
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void f(J<__kindof I *> *) {}
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// CHECK-LABEL: "?f@@YAXPAU?$J@PAU?$KindOf@UI@@@__ObjC@@@@@Z"
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