| 1 | // RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm-only %s -verify -DTEST1 |
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| 2 | // RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm-only %s -verify -DTEST2 -emit-llvm -o - | FileCheck %s |
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| 3 | // RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm-only %s -verify -DTEST3 |
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| 4 | // RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm-only %s -verify -DTEST4 |
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| 5 | |
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| 6 | #ifdef TEST1 |
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| 7 | |
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| 8 | // rdar://15522601 |
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| 9 | class MyClass { |
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| 10 | static void meth(); |
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| 11 | }; |
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| 12 | void MyClass::meth() { } // expected-note {{previous}} |
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| 13 | extern "C" { |
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| 14 | void _ZN7MyClass4methEv() { } // expected-error {{definition with same mangled name '_ZN7MyClass4methEv' as another definition}} |
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| 15 | } |
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| 16 | |
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| 17 | #elif TEST2 |
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| 18 | |
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| 19 | // expected-no-diagnostics |
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| 20 | |
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| 21 | // We expect no warnings here, as there is only declaration of _ZN1TD1Ev |
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| 22 | // function, no definitions. |
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| 23 | extern "C" void _ZN1TD1Ev(); |
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| 24 | struct T { |
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| 25 | ~T() {} |
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| 26 | }; |
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| 27 | |
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| 28 | // We expect no warnings here, as there is only declaration of _ZN2nm3abcE |
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| 29 | // global, no definitions. |
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| 30 | extern "C" { |
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| 31 | int _ZN2nm3abcE; |
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| 32 | } |
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| 33 | |
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| 34 | namespace nm { |
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| 35 | float abc = 2; |
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| 36 | } |
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| 37 | // CHECK: @_ZN2nm3abcE = {{(dso_local )?}}global float |
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| 38 | |
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| 39 | float foo() { |
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| 40 | _ZN1TD1Ev(); |
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| 41 | // CHECK: call void bitcast ({{.*}} (%struct.T*)* @_ZN1TD1Ev to void ()*)() |
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| 42 | T t; |
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| 43 | // CHECK: call {{.*}} @_ZN1TD1Ev(%struct.T* %t) |
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| 44 | return _ZN2nm3abcE + nm::abc; |
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| 45 | } |
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| 46 | |
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| 47 | #elif TEST3 |
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| 48 | |
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| 49 | extern "C" void _ZN2T2D2Ev() {}; // expected-note {{previous definition is here}} |
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| 50 | |
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| 51 | struct T2 { |
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| 52 | ~T2() {} // expected-error {{definition with same mangled name '_ZN2T2D2Ev' as another definition}} |
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| 53 | }; |
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| 54 | |
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| 55 | void foo() { |
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| 56 | _ZN2T2D2Ev(); |
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| 57 | T2 t; |
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| 58 | } |
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| 59 | |
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| 60 | #elif TEST4 |
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| 61 | |
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| 62 | extern "C" { |
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| 63 | int _ZN2nm3abcE = 1; // expected-note {{previous definition is here}} |
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| 64 | } |
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| 65 | |
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| 66 | namespace nm { |
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| 67 | float abc = 2; // expected-error {{definition with same mangled name '_ZN2nm3abcE' as another definition}} |
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| 68 | } |
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| 69 | |
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| 70 | float foo() { |
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| 71 | return _ZN2nm3abcE + nm::abc; |
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| 72 | } |
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| 73 | |
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| 74 | #else |
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| 75 | |
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| 76 | #error Unknown test |
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| 77 | |
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| 78 | #endif |
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| 79 | |
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| 80 | |
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