| // RUN: %clang_cc1 -triple x86_64-linux -verify -emit-llvm-only -DERR %s |
| // RUN: not %clang_cc1 -triple x86_64-linux -emit-llvm-only -fdiagnostics-parseable-fixits -DERR %s 2>&1 | FileCheck %s --check-prefix=FIXIT |
| // RUN: %clang_cc1 -triple x86_64-linux -emit-llvm %s -o - | FileCheck %s |
| |
| #ifdef ERR |
| void *f1_ifunc(void) { return nullptr; } |
| void f1(void) __attribute__((alias("f1_ifunc"))); |
| // expected-error@-1 {{alias must point to a defined variable or function}} |
| // expected-note@-2 {{must refer to its mangled name}} |
| // expected-note@-3 {{function by that name is mangled as}} |
| // FIXIT: fix-it:"{{.*}}":{[[@LINE-4]]:30-[[@LINE-4]]:47}:"alias(\"_Z8f1_ifuncv\")" |
| |
| void *f6_resolver_resolver(void) { return 0; } |
| void *f6_resolver(void) __attribute__((alias("f6_resolver_resolver"))); |
| // expected-error@-1 {{alias must point to a defined variable or function}} |
| // expected-note@-2 {{must refer to its mangled name}} |
| // expected-note@-3 {{function by that name is mangled as}} |
| // FIXIT: fix-it:"{{.*}}":{[[@LINE-4]]:40-[[@LINE-4]]:69}:"alias(\"_Z20f6_resolver_resolverv\")" |
| void f6(void) __attribute__((alias("f6_resolver"))); |
| // expected-error@-1 {{alias must point to a defined variable or function}} |
| // expected-note@-2 {{must refer to its mangled name}} |
| // expected-note@-3 {{function by that name is mangled as}} |
| // FIXIT: fix-it:"{{.*}}":{[[@LINE-4]]:30-[[@LINE-4]]:50}:"alias(\"_Z11f6_resolverv\")" |
| |
| __attribute__((unused, alias("resolver"), deprecated("hahahaha, isn't C great?"))) |
| void func(); |
| // expected-error@-2 {{alias must point to a defined variable or function}} |
| // expected-note@-3 {{must refer to its mangled name}} |
| #endif |
| |
| // CHECK: @_ZN4libc4log2Ed ={{.*}} alias double (double), ptr @log2 |
| // CHECK: define{{.*}} @log2( |
| namespace libc { double log2(double x); } |
| extern "C" double log2(double); |
| namespace std { using ::log2; } |
| using std::log2; |
| |
| namespace libc { |
| decltype(libc::log2) __log2_impl__ __asm__("log2"); |
| decltype(libc::log2) log2 [[gnu::alias("log2")]]; |
| double __log2_impl__(double x) { return x; } |
| } |