44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
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// RUN: %clang_cc1 -triple x86_64-windows -fsyntax-only -verify %s
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// RUN: %clang_cc1 -triple x86_64-linux -fsyntax-only -verify -emit-llvm-only -DCHECK_ALIASES %s
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// RUN: %clang_cc1 -triple x86_64-linux -fsyntax-only -verify -emit-llvm-only %s
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#if defined(_WIN32)
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void foo() {}
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void bar() __attribute__((ifunc("foo")));
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//expected-warning@-1 {{'ifunc' attribute ignored}}
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#else
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#if defined(CHECK_ALIASES)
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void* f1_ifunc();
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void f1() __attribute__((ifunc("f1_ifunc")));
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//expected-error@-1 {{ifunc must point to a defined function}}
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void* f2_a() __attribute__((ifunc("f2_b")));
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//expected-error@-1 {{ifunc definition is part of a cycle}}
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void* f2_b() __attribute__((ifunc("f2_a")));
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//expected-error@-1 {{ifunc definition is part of a cycle}}
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void* f3_a() __attribute__((ifunc("f3_b")));
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//expected-warning@-1 {{ifunc will always resolve to f3_c even if weak definition of f3_b is overridden}}
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void* f3_b() __attribute__((weak, alias("f3_c")));
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void* f3_c() { return 0; }
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void f4_ifunc() {}
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void f4() __attribute__((ifunc("f4_ifunc")));
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//expected-error@-1 {{ifunc resolver function must return a pointer}}
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void* f5_ifunc(int i) { return 0; }
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void f5() __attribute__((ifunc("f5_ifunc")));
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//expected-error@-1 {{ifunc resolver function must have no parameters}}
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#else
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void f1a() __asm("f1");
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void f1a() {}
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//expected-note@-1 {{previous definition is here}}
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void f1() __attribute__((ifunc("f1_ifunc")));
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//expected-error@-1 {{definition with same mangled name as another definition}}
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void* f1_ifunc() { return 0; }
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#endif
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#endif
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