27 lines · cpp
1// RUN: %clang_cc1 -emit-llvm-only -triple x86_64-linux-gnu -verify %s2// RUN: %clang_cc1 -emit-llvm-only -triple x86_64-apple-macosx -verify %s3// RUN: %clang_cc1 -emit-llvm-only -triple arm64-apple-macosx -verify %s4// RUN: not %clang_cc1 -triple x86_64-linux -emit-llvm-only -fdiagnostics-parseable-fixits %s 2>&1 | FileCheck %s5// RUN: not %clang_cc1 -triple x86_64-apple-macosx -emit-llvm-only -fdiagnostics-parseable-fixits %s 2>&1 | FileCheck %s6// RUN: not %clang_cc1 -triple arm64-apple-macosx -emit-llvm-only -fdiagnostics-parseable-fixits %s 2>&1 | FileCheck %s7 8extern "C" {9__attribute__((used)) static void *resolve_foo() { return 0; }10namespace NS {11__attribute__((used)) static void *resolve_foo() { return 0; }12} // namespace NS13 14// FIXME: This diagnostic is pretty confusing, the issue is that the existence15// of the two functions suppresses the 'alias' creation, and thus the ifunc16// resolution via the alias as well. In the future we should probably find17// some way to improve this diagnostic (likely by diagnosing when we decide18// this case suppresses alias creation).19__attribute__((ifunc("resolve_foo"))) void foo(); // expected-error{{ifunc must point to a defined function}}20// expected-note@-1 {{must refer to its mangled name}}21// expected-note@-2 {{function by that name is mangled as}}22// expected-note@-3 {{function by that name is mangled as}}23// CHECK: fix-it:"{{.*}}":{[[@LINE-4]]:16-[[@LINE-4]]:36}:"ifunc(\"_ZL11resolve_foov\")"24// CHECK: fix-it:"{{.*}}":{[[@LINE-5]]:16-[[@LINE-5]]:36}:"ifunc(\"_ZN2NSL11resolve_fooEv\")"25}26 27