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9306ef9750
When an alias or ifunc attribute refers to a function name that is mangled, a diagnostic is emitted to suggest the mangled name as a replacement for the given function name for every matching name in the current TU. Fixes #59164 Differential Revision: https://reviews.llvm.org/D143803
28 lines
1.4 KiB
C++
28 lines
1.4 KiB
C++
// RUN: %clang_cc1 -triple x86_64-linux -fsyntax-only -verify -emit-llvm-only %s
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// RUN: not %clang_cc1 -triple x86_64-linux -emit-llvm-only -fdiagnostics-parseable-fixits %s 2>&1 | FileCheck %s
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void *f1_ifunc(void) { return nullptr; }
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void f1(void) __attribute__((ifunc("f1_ifunc")));
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// expected-error@-1 {{ifunc must point to a defined function}}
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// expected-note@-2 {{must refer to its mangled name}}
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// expected-note@-3 {{function by that name is mangled as}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-4]]:30-[[@LINE-4]]:47}:"ifunc(\"_Z8f1_ifuncv\")"
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void *f6_resolver_resolver(void) { return 0; }
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void *f6_resolver(void) __attribute__((ifunc("f6_resolver_resolver")));
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// expected-error@-1 {{ifunc must point to a defined function}}
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// expected-note@-2 {{must refer to its mangled name}}
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// expected-note@-3 {{function by that name is mangled as}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-4]]:40-[[@LINE-4]]:69}:"ifunc(\"_Z20f6_resolver_resolverv\")"
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void f6(void) __attribute__((ifunc("f6_resolver")));
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// expected-error@-1 {{ifunc must point to a defined function}}
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// expected-note@-2 {{must refer to its mangled name}}
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// expected-note@-3 {{function by that name is mangled as}}
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// CHECK: fix-it:"{{.*}}":{[[@LINE-4]]:30-[[@LINE-4]]:50}:"ifunc(\"_Z11f6_resolverv\")"
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__attribute__((unused, ifunc("resolver"), deprecated("hahahaha, isn't C great?")))
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void func();
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// expected-error@-2 {{ifunc must point to a defined function}}
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// expected-note@-3 {{must refer to its mangled name}}
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