Files
clang-p2996/clang/test/CodeGenCXX/attr-cpuspecific.cpp
Erich Keane f1005012c2 Multiversioning- Ensure all MV functions are emitted.
Multiverson function versions are always used (by the resolver), so ensure that
they are always emitted.

Change-Id: I5d2e0841fddf0d18918b3fb92ae76814add7ee96
llvm-svn: 345839
2018-11-01 15:11:43 +00:00

26 lines
886 B
C++

// RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm -o - %s | FileCheck %s --check-prefixes=CHECK,LINUX
// RUN: %clang_cc1 -triple x86_64-windows-pc -fms-compatibility -emit-llvm -o - %s | FileCheck %s --check-prefixes=CHECK,WINDOWS
struct S {
__attribute__((cpu_specific(atom)))
void Func(){}
__attribute__((cpu_dispatch(ivybridge,atom)))
void Func(){}
};
void foo() {
S s;
s.Func();
}
// LINUX: define linkonce_odr void @_ZN1S4FuncEv.O
// LINUX: define void (%struct.S*)* @_ZN1S4FuncEv.resolver
// LINUX: ret void (%struct.S*)* @_ZN1S4FuncEv.S
// LINUX: ret void (%struct.S*)* @_ZN1S4FuncEv.O
// WINDOWS: define linkonce_odr dso_local void @"?Func@S@@QEAAXXZ.O"
// WINDOWS: define dso_local void @"?Func@S@@QEAAXXZ"(%struct.S*)
// WINDOWS: musttail call void @"?Func@S@@QEAAXXZ.S"(%struct.S* %0)
// WINDOWS: musttail call void @"?Func@S@@QEAAXXZ.O"(%struct.S* %0)