forked from OSchip/llvm-project
139 lines
6.9 KiB
C
139 lines
6.9 KiB
C
// RUN: %clang_cc1 -triple i686-win32 -fsyntax-only -verify -std=c99 %s
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// RUN: %clang_cc1 -triple x86_64-win32 -fsyntax-only -verify -std=c11 %s
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// RUN: %clang_cc1 -triple i686-mingw32 -fsyntax-only -verify -std=c11 %s
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// RUN: %clang_cc1 -triple x86_64-mingw32 -fsyntax-only -verify -std=c99 %s
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// Invalid usage.
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__declspec(dllexport) typedef int typedef1; // expected-warning{{'dllexport' attribute only applies to variables and functions}}
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typedef __declspec(dllexport) int typedef2; // expected-warning{{'dllexport' attribute only applies to variables and functions}}
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typedef int __declspec(dllexport) typedef3; // expected-warning{{'dllexport' attribute only applies to variables and functions}}
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typedef __declspec(dllexport) void (*FunTy)(); // expected-warning{{'dllexport' attribute only applies to variables and functions}}
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enum __declspec(dllexport) Enum { EnumVal }; // expected-warning{{'dllexport' attribute only applies to variables and functions}}
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struct __declspec(dllexport) Record {}; // expected-warning{{'dllexport' attribute only applies to variables and functions}}
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//===----------------------------------------------------------------------===//
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// Globals
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//===----------------------------------------------------------------------===//
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// Export declaration.
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__declspec(dllexport) extern int ExternGlobalDecl;
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// dllexport implies a definition.
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__declspec(dllexport) int GlobalDef;
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// Export definition.
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__declspec(dllexport) int GlobalInit1 = 1;
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int __declspec(dllexport) GlobalInit2 = 1;
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// Declare, then export definition.
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__declspec(dllexport) extern int GlobalDeclInit;
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int GlobalDeclInit = 1;
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// Redeclarations
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__declspec(dllexport) extern int GlobalRedecl1;
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__declspec(dllexport) int GlobalRedecl1;
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__declspec(dllexport) extern int GlobalRedecl2;
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int GlobalRedecl2;
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extern int GlobalRedecl3; // expected-note{{previous declaration is here}}
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__declspec(dllexport) extern int GlobalRedecl3; // expected-error{{redeclaration of 'GlobalRedecl3' cannot add 'dllexport' attribute}}
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// External linkage is required.
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__declspec(dllexport) static int StaticGlobal; // expected-error{{'StaticGlobal' must have external linkage when declared 'dllexport'}}
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// Export in local scope.
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void functionScope() {
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__declspec(dllexport) int LocalVarDecl; // expected-error{{'LocalVarDecl' must have external linkage when declared 'dllexport'}}
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__declspec(dllexport) int LocalVarDef = 1; // expected-error{{'LocalVarDef' must have external linkage when declared 'dllexport'}}
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__declspec(dllexport) extern int ExternLocalVarDecl;
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__declspec(dllexport) static int StaticLocalVar; // expected-error{{'StaticLocalVar' must have external linkage when declared 'dllexport'}}
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}
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//===----------------------------------------------------------------------===//
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// Functions
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//===----------------------------------------------------------------------===//
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// Export function declaration. Check different placements.
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__attribute__((dllexport)) void decl1A(); // Sanity check with __attribute__
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__declspec(dllexport) void decl1B();
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void __attribute__((dllexport)) decl2A();
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void __declspec(dllexport) decl2B();
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// Export function definition.
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__declspec(dllexport) void def() {}
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// Export inline function.
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__declspec(dllexport) inline void inlineFunc1() {}
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extern void inlineFunc1();
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inline void __attribute__((dllexport)) inlineFunc2() {}
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extern void inlineFunc2();
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// Redeclarations
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__declspec(dllexport) void redecl1();
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__declspec(dllexport) void redecl1();
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__declspec(dllexport) void redecl2();
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void redecl2();
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__declspec(dllexport) void redecl3();
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void redecl3() {}
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void redecl4(); // expected-note{{previous declaration is here}}
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__declspec(dllexport) void redecl4(); // expected-error{{redeclaration of 'redecl4' cannot add 'dllexport' attribute}}
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void redecl5(); // expected-note{{previous declaration is here}}
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__declspec(dllexport) inline void redecl5() {} // expected-error{{redeclaration of 'redecl5' cannot add 'dllexport' attribute}}
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// External linkage is required.
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__declspec(dllexport) static int staticFunc(); // expected-error{{'staticFunc' must have external linkage when declared 'dllexport'}}
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//===----------------------------------------------------------------------===//
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// Precedence
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//===----------------------------------------------------------------------===//
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// dllexport takes precedence over dllimport if both are specified.
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__attribute__((dllimport, dllexport)) extern int PrecedenceExternGlobal1A; // expected-warning{{'dllimport' attribute ignored}}
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__declspec(dllimport) __declspec(dllexport) extern int PrecedenceExternGlobal1B; // expected-warning{{'dllimport' attribute ignored}}
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__attribute__((dllexport, dllimport)) extern int PrecedenceExternGlobal2A; // expected-warning{{'dllimport' attribute ignored}}
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__declspec(dllexport) __declspec(dllimport) extern int PrecedenceExternGlobal2B; // expected-warning{{'dllimport' attribute ignored}}
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__attribute__((dllimport, dllexport)) int PrecedenceGlobal1A; // expected-warning{{'dllimport' attribute ignored}}
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__declspec(dllimport) __declspec(dllexport) int PrecedenceGlobal1B; // expected-warning{{'dllimport' attribute ignored}}
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__attribute__((dllexport, dllimport)) int PrecedenceGlobal2A; // expected-warning{{'dllimport' attribute ignored}}
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__declspec(dllexport) __declspec(dllimport) int PrecedenceGlobal2B; // expected-warning{{'dllimport' attribute ignored}}
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__declspec(dllexport) extern int PrecedenceExternGlobalRedecl1;
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__declspec(dllimport) extern int PrecedenceExternGlobalRedecl1; // expected-warning{{'dllimport' attribute ignored}}
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__declspec(dllimport) extern int PrecedenceExternGlobalRedecl2; // expected-warning{{'dllimport' attribute ignored}}
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__declspec(dllexport) extern int PrecedenceExternGlobalRedecl2;
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__declspec(dllexport) extern int PrecedenceGlobalRedecl1;
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__declspec(dllimport) int PrecedenceGlobalRedecl1; // expected-warning{{'dllimport' attribute ignored}}
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__declspec(dllimport) extern int PrecedenceGlobalRedecl2; // expected-warning{{'dllimport' attribute ignored}}
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__declspec(dllexport) int PrecedenceGlobalRedecl2;
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void __attribute__((dllimport, dllexport)) precedence1A() {} // expected-warning{{'dllimport' attribute ignored}}
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void __declspec(dllimport) __declspec(dllexport) precedence1B() {} // expected-warning{{'dllimport' attribute ignored}}
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void __attribute__((dllexport, dllimport)) precedence2A() {} // expected-warning{{'dllimport' attribute ignored}}
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void __declspec(dllexport) __declspec(dllimport) precedence2B() {} // expected-warning{{'dllimport' attribute ignored}}
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void __declspec(dllimport) precedenceRedecl1(); // expected-warning{{'dllimport' attribute ignored}}
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void __declspec(dllexport) precedenceRedecl1() {}
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void __declspec(dllexport) precedenceRedecl2();
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void __declspec(dllimport) precedenceRedecl2() {} // expected-warning{{'dllimport' attribute ignored}}
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