|  | // 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 | 
|  | struct S { | 
|  | int __attribute__((target("sse4.2"))) foo(int); | 
|  | int __attribute__((target("arch=sandybridge"))) foo(int); | 
|  | int __attribute__((target("arch=ivybridge"))) foo(int); | 
|  | int __attribute__((target("default"))) foo(int); | 
|  | }; | 
|  |  | 
|  | int __attribute__((target("default"))) S::foo(int) { return 2; } | 
|  | int __attribute__((target("sse4.2"))) S::foo(int) { return 0; } | 
|  | int __attribute__((target("arch=ivybridge"))) S::foo(int) { return 1; } | 
|  |  | 
|  | int bar() { | 
|  | S s; | 
|  | return s.foo(0); | 
|  | } | 
|  |  | 
|  | // DARWIN-NOT: comdat | 
|  |  | 
|  | // ITANIUM: @_ZN1S3fooEi.ifunc = weak_odr ifunc i32 (ptr, i32), ptr @_ZN1S3fooEi.resolver | 
|  |  | 
|  | // ITANIUM: define{{.*}} i32 @_ZN1S3fooEi(ptr {{[^,]*}} %this, i32 noundef %0) | 
|  | // ITANIUM: ret i32 2 | 
|  |  | 
|  | // WINDOWS: define dso_local noundef i32 @"?foo@S@@QEAAHH@Z"(ptr {{[^,]*}} %this, i32 noundef %0) | 
|  | // WINDOWS: ret i32 2 | 
|  |  | 
|  | // ITANIUM: define{{.*}} i32 @_ZN1S3fooEi.sse4.2(ptr {{[^,]*}} %this, i32 noundef %0) | 
|  | // ITANIUM: ret i32 0 | 
|  |  | 
|  | // WINDOWS: define dso_local noundef i32 @"?foo@S@@QEAAHH@Z.sse4.2"(ptr {{[^,]*}} %this, i32 noundef %0) | 
|  | // WINDOWS: ret i32 0 | 
|  |  | 
|  | // ITANIUM: define{{.*}} i32 @_ZN1S3fooEi.arch_ivybridge(ptr {{[^,]*}} %this, i32 noundef %0) | 
|  | // ITANIUM: ret i32 1 | 
|  |  | 
|  | // WINDOWS: define dso_local noundef i32 @"?foo@S@@QEAAHH@Z.arch_ivybridge"(ptr {{[^,]*}} %this, i32 noundef %0) | 
|  | // WINDOWS: ret i32 1 | 
|  |  | 
|  | // ITANIUM: define{{.*}} i32 @_Z3barv() | 
|  | // ITANIUM: %s = alloca %struct.S, align 1 | 
|  | // ITANIUM: %call = call noundef i32 @_ZN1S3fooEi.ifunc(ptr {{[^,]*}} %s, i32 noundef 0) | 
|  |  | 
|  | // WINDOWS: define dso_local noundef i32 @"?bar@@YAHXZ"() | 
|  | // WINDOWS: %s = alloca %struct.S, align 1 | 
|  | // WINDOWS: %call = call noundef i32 @"?foo@S@@QEAAHH@Z.resolver"(ptr {{[^,]*}} %s, i32 noundef 0) | 
|  |  | 
|  | // ITANIUM: define weak_odr ptr @_ZN1S3fooEi.resolver() | 
|  | // LINUX-SAME: comdat | 
|  | // ITANIUM: ret ptr @_ZN1S3fooEi.arch_sandybridge | 
|  | // ITANIUM: ret ptr @_ZN1S3fooEi.arch_ivybridge | 
|  | // ITANIUM: ret ptr @_ZN1S3fooEi.sse4.2 | 
|  | // ITANIUM: ret ptr @_ZN1S3fooEi | 
|  |  | 
|  | // WINDOWS: define weak_odr dso_local i32 @"?foo@S@@QEAAHH@Z.resolver"(ptr %0, i32 %1) comdat | 
|  | // WINDOWS: call i32 @"?foo@S@@QEAAHH@Z.arch_sandybridge"(ptr %0, i32 %1) | 
|  | // WINDOWS: call i32 @"?foo@S@@QEAAHH@Z.arch_ivybridge"(ptr %0, i32 %1) | 
|  | // WINDOWS: call i32 @"?foo@S@@QEAAHH@Z.sse4.2"(ptr %0, i32 %1) | 
|  | // WINDOWS: call i32 @"?foo@S@@QEAAHH@Z"(ptr %0, i32 %1) | 
|  |  | 
|  | // ITANIUM: declare noundef i32 @_ZN1S3fooEi.arch_sandybridge(ptr {{[^,]*}}, i32 noundef) | 
|  |  | 
|  | // WINDOWS: declare dso_local noundef i32 @"?foo@S@@QEAAHH@Z.arch_sandybridge"(ptr {{[^,]*}}, i32 noundef) |