forked from OSchip/llvm-project
80 lines
1.8 KiB
C++
80 lines
1.8 KiB
C++
// RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm-only %s -verify -DTEST1
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// RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm-only %s -verify -DTEST2 -emit-llvm -o - | FileCheck %s
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// RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm-only %s -verify -DTEST3
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// RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm-only %s -verify -DTEST4
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#ifdef TEST1
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// rdar://15522601
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class MyClass {
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static void meth();
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};
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void MyClass::meth() { } // expected-note {{previous}}
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extern "C" {
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void _ZN7MyClass4methEv() { } // expected-error {{definition with same mangled name '_ZN7MyClass4methEv' as another definition}}
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}
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#elif TEST2
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// expected-no-diagnostics
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// We expect no warnings here, as there is only declaration of _ZN1TD1Ev
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// function, no definitions.
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extern "C" void _ZN1TD1Ev();
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struct T {
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~T() {}
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};
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// We expect no warnings here, as there is only declaration of _ZN2nm3abcE
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// global, no definitions.
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extern "C" {
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int _ZN2nm3abcE;
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}
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namespace nm {
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float abc = 2;
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}
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// CHECK: @_ZN2nm3abcE = {{(dso_local )?}}global float
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float foo() {
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_ZN1TD1Ev();
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// CHECK: call void bitcast ({{.*}} (%struct.T*)* @_ZN1TD1Ev to void ()*)()
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T t;
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// CHECK: call {{.*}} @_ZN1TD1Ev(%struct.T* %t)
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return _ZN2nm3abcE + nm::abc;
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}
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#elif TEST3
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extern "C" void _ZN2T2D2Ev() {}; // expected-note {{previous definition is here}}
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struct T2 {
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~T2() {} // expected-error {{definition with same mangled name '_ZN2T2D2Ev' as another definition}}
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};
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void foo() {
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_ZN2T2D2Ev();
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T2 t;
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}
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#elif TEST4
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extern "C" {
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int _ZN2nm3abcE = 1; // expected-note {{previous definition is here}}
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}
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namespace nm {
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float abc = 2; // expected-error {{definition with same mangled name '_ZN2nm3abcE' as another definition}}
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}
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float foo() {
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return _ZN2nm3abcE + nm::abc;
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}
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#else
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#error Unknown test
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#endif
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