llvm/clang/test/CodeGenCXX/attr-target-mv-overloads.cpp

// RUN: %clang_cc1 -std=c++11 -triple x86_64-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefixes=ITANIUM,LINUX
// RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-macos -emit-llvm %s -o - | FileCheck %s --check-prefixes=ITANIUM,DARWIN
// RUN: %clang_cc1 -std=c++11 -triple x86_64-windows-pc -emit-llvm %s -o - | FileCheck %s --check-prefix=WINDOWS

int __attribute__((target("sse4.2"))) foo_overload(int) { return 0; }
int __attribute__((target("arch=sandybridge"))) foo_overload(int);
int __attribute__((target("arch=ivybridge"))) foo_overload(int) {return 1;}
int __attribute__((target("default"))) foo_overload(int) { return 2; }
int __attribute__((target("sse4.2"))) foo_overload(void) { return 0; }
int __attribute__((target("arch=sandybridge"))) foo_overload(void);
int __attribute__((target("arch=ivybridge"))) foo_overload(void) {return 1;}
int __attribute__((target("default"))) foo_overload(void) { return 2; }

int bar2() {
  return foo_overload() + foo_overload(1);
}

// DARWIN-NOT: comdat

// ITANIUM: @_Z12foo_overloadv.ifunc = weak_odr ifunc i32 (), ptr @_Z12foo_overloadv.resolver
// ITANIUM: @_Z12foo_overloadi.ifunc = weak_odr ifunc i32 (i32), ptr @_Z12foo_overloadi.resolver

// ITANIUM: define{{.*}} i32 @_Z12foo_overloadi.sse4.2(i32 noundef %0)
// ITANIUM: ret i32 0
// ITANIUM: define{{.*}} i32 @_Z12foo_overloadi.arch_ivybridge(i32 noundef %0)
// ITANIUM: ret i32 1
// ITANIUM: define{{.*}} i32 @_Z12foo_overloadi(i32 noundef %0)
// ITANIUM: ret i32 2
// ITANIUM: define{{.*}} i32 @_Z12foo_overloadv.sse4.2()
// ITANIUM: ret i32 0
// ITANIUM: define{{.*}} i32 @_Z12foo_overloadv.arch_ivybridge()
// ITANIUM: ret i32 1
// ITANIUM: define{{.*}} i32 @_Z12foo_overloadv()
// ITANIUM: ret i32 2

// WINDOWS: define dso_local noundef i32 @"?foo_overload@@[email protected]"(i32 noundef %0)
// WINDOWS: ret i32 0
// WINDOWS: define dso_local noundef i32 @"?foo_overload@@[email protected]_ivybridge"(i32 noundef %0)
// WINDOWS: ret i32 1
// WINDOWS: define dso_local noundef i32 @"?foo_overload@@YAHH@Z"(i32 noundef %0)
// WINDOWS: ret i32 2
// WINDOWS: define dso_local noundef i32 @"?foo_overload@@YAHXZ.sse4.2"()
// WINDOWS: ret i32 0
// WINDOWS: define dso_local noundef i32 @"?foo_overload@@YAHXZ.arch_ivybridge"()
// WINDOWS: ret i32 1
// WINDOWS: define dso_local noundef i32 @"?foo_overload@@YAHXZ"()
// WINDOWS: ret i32 2

// ITANIUM: define{{.*}} i32 @_Z4bar2v()
// ITANIUM: call noundef i32 @_Z12foo_overloadv.ifunc()
// ITANIUM: call noundef i32 @_Z12foo_overloadi.ifunc(i32 noundef 1)

// WINDOWS: define dso_local noundef i32 @"?bar2@@YAHXZ"()
// WINDOWS: call noundef i32 @"?foo_overload@@YAHXZ.resolver"()
// WINDOWS: call noundef i32 @"?foo_overload@@[email protected]"(i32 noundef 1)

// ITANIUM: define weak_odr ptr @_Z12foo_overloadv.resolver()
// LINUX-SAME: comdat
// ITANIUM: ret ptr @_Z12foo_overloadv.arch_sandybridge
// ITANIUM: ret ptr @_Z12foo_overloadv.arch_ivybridge
// ITANIUM: ret ptr @_Z12foo_overloadv.sse4.2
// ITANIUM: ret ptr @_Z12foo_overloadv

// WINDOWS: define weak_odr dso_local i32 @"?foo_overload@@YAHXZ.resolver"() comdat
// WINDOWS: call i32 @"?foo_overload@@YAHXZ.arch_sandybridge"
// WINDOWS: call i32 @"?foo_overload@@YAHXZ.arch_ivybridge"
// WINDOWS: call i32 @"?foo_overload@@YAHXZ.sse4.2"
// WINDOWS: call i32 @"?foo_overload@@YAHXZ"

// ITANIUM: define weak_odr ptr @_Z12foo_overloadi.resolver()
// LINUX-SAME: comdat
// ITANIUM: ret ptr @_Z12foo_overloadi.arch_sandybridge
// ITANIUM: ret ptr @_Z12foo_overloadi.arch_ivybridge
// ITANIUM: ret ptr @_Z12foo_overloadi.sse4.2
// ITANIUM: ret ptr @_Z12foo_overloadi

// WINDOWS: define weak_odr dso_local i32 @"?foo_overload@@[email protected]"(i32 %0) comdat
// WINDOWS: call i32 @"?foo_overload@@[email protected]_sandybridge"
// WINDOWS: call i32 @"?foo_overload@@[email protected]_ivybridge"
// WINDOWS: call i32 @"?foo_overload@@[email protected]"
// WINDOWS: call i32 @"?foo_overload@@YAHH@Z"

// ITANIUM: declare noundef i32 @_Z12foo_overloadv.arch_sandybridge()
// ITANIUM: declare noundef i32 @_Z12foo_overloadi.arch_sandybridge(i32 noundef)

// WINDOWS: declare dso_local noundef i32 @"?foo_overload@@YAHXZ.arch_sandybridge"()
// WINDOWS: declare dso_local noundef i32 @"?foo_overload@@[email protected]_sandybridge"(i32 noundef)