|  | // 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) { return 0; } | 
|  | int __attribute__((target("arch=sandybridge"))) foo(int); | 
|  | int __attribute__((target("arch=ivybridge"))) foo(int) { return 1; } | 
|  | int __attribute__((target("default"))) foo(int) { return 2; } | 
|  |  | 
|  | S &__attribute__((target("arch=ivybridge"))) operator=(const S &) { | 
|  | return *this; | 
|  | } | 
|  | S &__attribute__((target("default"))) operator=(const S &) { | 
|  | return *this; | 
|  | } | 
|  | }; | 
|  |  | 
|  | struct ConvertTo { | 
|  | __attribute__((target("arch=ivybridge"))) operator S() const { | 
|  | return S{}; | 
|  | } | 
|  | __attribute__((target("default"))) operator S() const { | 
|  | return S{}; | 
|  | } | 
|  | }; | 
|  |  | 
|  | int bar() { | 
|  | S s; | 
|  | S s2; | 
|  | s2 = s; | 
|  |  | 
|  | ConvertTo C; | 
|  | s2 = static_cast<S>(C); | 
|  |  | 
|  | return s.foo(0); | 
|  | } | 
|  |  | 
|  | struct S2 { | 
|  | 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 bar2() { | 
|  | S2 s; | 
|  | return s.foo(0); | 
|  | } | 
|  |  | 
|  | int __attribute__((target("sse4.2"))) S2::foo(int) { return 0; } | 
|  | int __attribute__((target("arch=ivybridge"))) S2::foo(int) { return 1; } | 
|  | int __attribute__((target("default"))) S2::foo(int) { return 2; } | 
|  |  | 
|  | template<typename T> | 
|  | struct templ { | 
|  | int __attribute__((target("sse4.2"))) foo(int) { return 0; } | 
|  | int __attribute__((target("arch=sandybridge"))) foo(int); | 
|  | int __attribute__((target("arch=ivybridge"))) foo(int) { return 1; } | 
|  | int __attribute__((target("default"))) foo(int) { return 2; } | 
|  | }; | 
|  |  | 
|  | int templ_use() { | 
|  | templ<int> a; | 
|  | templ<double> b; | 
|  | return a.foo(1) + b.foo(2); | 
|  | } | 
|  |  | 
|  | // DARWIN-NOT: comdat | 
|  |  | 
|  | // ITANIUM: @_ZN1SaSERKS_.ifunc = weak_odr ifunc ptr (ptr, ptr), ptr @_ZN1SaSERKS_.resolver | 
|  | // ITANIUM: @_ZNK9ConvertTocv1SEv.ifunc = weak_odr ifunc void (ptr), ptr @_ZNK9ConvertTocv1SEv.resolver | 
|  | // ITANIUM: @_ZN1S3fooEi.ifunc = weak_odr ifunc i32 (ptr, i32), ptr @_ZN1S3fooEi.resolver | 
|  | // ITANIUM: @_ZN2S23fooEi.ifunc = weak_odr ifunc i32 (ptr, i32), ptr @_ZN2S23fooEi.resolver | 
|  | // Templates: | 
|  | // ITANIUM: @_ZN5templIiE3fooEi.ifunc = weak_odr ifunc i32 (ptr, i32), ptr @_ZN5templIiE3fooEi.resolver | 
|  | // ITANIUM: @_ZN5templIdE3fooEi.ifunc = weak_odr ifunc i32 (ptr, i32), ptr @_ZN5templIdE3fooEi.resolver | 
|  |  | 
|  | // ITANIUM: define{{.*}} i32 @_Z3barv() | 
|  | // ITANIUM: %s = alloca %struct.S, align 1 | 
|  | // ITANIUM: %s2 = alloca %struct.S, align 1 | 
|  | // ITANIUM: %C = alloca %struct.ConvertTo, align 1 | 
|  | // ITANIUM: call noundef nonnull align 1 dereferenceable(1) ptr @_ZN1SaSERKS_.ifunc(ptr {{[^,]*}} %s2 | 
|  | // ITANIUM: call void @_ZNK9ConvertTocv1SEv.ifunc(ptr {{[^,]*}} %C) | 
|  | // ITANIUM: call noundef nonnull align 1 dereferenceable(1) ptr @_ZN1SaSERKS_.ifunc(ptr {{[^,]*}} %s2 | 
|  | // ITANIUM: 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: %s2 = alloca %struct.S, align 1 | 
|  | // WINDOWS: %C = alloca %struct.ConvertTo, align 1 | 
|  | // WINDOWS: call noundef nonnull align 1 dereferenceable(1) ptr @"??4S@@QEAAAEAU0@AEBU0@@Z.resolver"(ptr {{[^,]*}} %s2 | 
|  | // WINDOWS: call void @"??BConvertTo@@QEBA?AUS@@XZ.resolver"(ptr {{[^,]*}} %C | 
|  | // WINDOWS: call noundef nonnull align 1 dereferenceable(1) ptr @"??4S@@QEAAAEAU0@AEBU0@@Z.resolver"(ptr {{[^,]*}} %s2 | 
|  | // WINDOWS: call noundef i32 @"?foo@S@@QEAAHH@Z.resolver"(ptr {{[^,]*}} %s, i32 noundef 0) | 
|  |  | 
|  | // ITANIUM: define weak_odr ptr @_ZN1SaSERKS_.resolver() | 
|  | // LINUX-SAME: comdat | 
|  | // ITANIUM: ret ptr @_ZN1SaSERKS_.arch_ivybridge | 
|  | // ITANIUM: ret ptr @_ZN1SaSERKS_ | 
|  |  | 
|  | // WINDOWS: define weak_odr dso_local ptr @"??4S@@QEAAAEAU0@AEBU0@@Z.resolver"(ptr %0, ptr %1) | 
|  | // WINDOWS: call ptr @"??4S@@QEAAAEAU0@AEBU0@@Z.arch_ivybridge" | 
|  | // WINDOWS: call ptr @"??4S@@QEAAAEAU0@AEBU0@@Z" | 
|  |  | 
|  | // ITANIUM: define weak_odr ptr @_ZNK9ConvertTocv1SEv.resolver() | 
|  | // LINUX-SAME: comdat | 
|  | // ITANIUM: ret ptr @_ZNK9ConvertTocv1SEv.arch_ivybridge | 
|  | // ITANIUM: ret ptr @_ZNK9ConvertTocv1SEv | 
|  |  | 
|  | // WINDOWS: define weak_odr dso_local void @"??BConvertTo@@QEBA?AUS@@XZ.resolver"(ptr %0, ptr %1) | 
|  | // WINDOWS: call void @"??BConvertTo@@QEBA?AUS@@XZ.arch_ivybridge" | 
|  | // WINDOWS: call void @"??BConvertTo@@QEBA?AUS@@XZ" | 
|  |  | 
|  | // 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) | 
|  | // WINDOWS: call i32 @"?foo@S@@QEAAHH@Z.arch_sandybridge" | 
|  | // WINDOWS: call i32 @"?foo@S@@QEAAHH@Z.arch_ivybridge" | 
|  | // WINDOWS: call i32 @"?foo@S@@QEAAHH@Z.sse4.2" | 
|  | // WINDOWS: call i32 @"?foo@S@@QEAAHH@Z" | 
|  |  | 
|  | // ITANIUM: define{{.*}} i32 @_Z4bar2v() | 
|  | // ITANIUM: call noundef i32 @_ZN2S23fooEi.ifunc | 
|  |  | 
|  | // WINDOWS: define dso_local noundef i32 @"?bar2@@YAHXZ"() | 
|  | // WINDOWS: call noundef i32 @"?foo@S2@@QEAAHH@Z.resolver" | 
|  |  | 
|  | // ITANIUM: define weak_odr ptr @_ZN2S23fooEi.resolver() | 
|  | // LINUX-SAME: comdat | 
|  | // ITANIUM: ret ptr @_ZN2S23fooEi.arch_sandybridge | 
|  | // ITANIUM: ret ptr @_ZN2S23fooEi.arch_ivybridge | 
|  | // ITANIUM: ret ptr @_ZN2S23fooEi.sse4.2 | 
|  | // ITANIUM: ret ptr @_ZN2S23fooEi | 
|  |  | 
|  | // WINDOWS: define weak_odr dso_local i32 @"?foo@S2@@QEAAHH@Z.resolver"(ptr %0, i32 %1) | 
|  | // WINDOWS: call i32 @"?foo@S2@@QEAAHH@Z.arch_sandybridge" | 
|  | // WINDOWS: call i32 @"?foo@S2@@QEAAHH@Z.arch_ivybridge" | 
|  | // WINDOWS: call i32 @"?foo@S2@@QEAAHH@Z.sse4.2" | 
|  | // WINDOWS: call i32 @"?foo@S2@@QEAAHH@Z" | 
|  |  | 
|  | // ITANIUM: define{{.*}} i32 @_ZN2S23fooEi.sse4.2(ptr {{[^,]*}} %this, i32 noundef %0) | 
|  | // ITANIUM: define{{.*}} i32 @_ZN2S23fooEi.arch_ivybridge(ptr {{[^,]*}} %this, i32 noundef %0) | 
|  | // ITANIUM: define{{.*}} i32 @_ZN2S23fooEi(ptr {{[^,]*}} %this, i32 noundef %0) | 
|  |  | 
|  | // WINDOWS: define dso_local noundef i32 @"?foo@S2@@QEAAHH@Z.sse4.2"(ptr {{[^,]*}} %this, i32 noundef %0) | 
|  | // WINDOWS: define dso_local noundef i32 @"?foo@S2@@QEAAHH@Z.arch_ivybridge"(ptr {{[^,]*}} %this, i32 noundef %0) | 
|  | // WINDOWS: define dso_local noundef i32 @"?foo@S2@@QEAAHH@Z"(ptr {{[^,]*}} %this, i32 noundef %0) | 
|  |  | 
|  | // ITANIUM: define{{.*}} i32 @_Z9templ_usev() | 
|  | // ITANIUM: call noundef i32 @_ZN5templIiE3fooEi.ifunc | 
|  | // ITANIUM: call noundef i32 @_ZN5templIdE3fooEi.ifunc | 
|  |  | 
|  | // WINDOWS: define dso_local noundef i32 @"?templ_use@@YAHXZ"() | 
|  | // WINDOWS: call noundef i32 @"?foo@?$templ@H@@QEAAHH@Z.resolver" | 
|  | // WINDOWS: call noundef i32 @"?foo@?$templ@N@@QEAAHH@Z.resolver" | 
|  |  | 
|  | // ITANIUM: define weak_odr ptr @_ZN5templIiE3fooEi.resolver() | 
|  | // LINUX-SAME: comdat | 
|  | // ITANIUM: ret ptr @_ZN5templIiE3fooEi.arch_sandybridge | 
|  | // ITANIUM: ret ptr @_ZN5templIiE3fooEi.arch_ivybridge | 
|  | // ITANIUM: ret ptr @_ZN5templIiE3fooEi.sse4.2 | 
|  | // ITANIUM: ret ptr @_ZN5templIiE3fooEi | 
|  |  | 
|  | // WINDOWS: define weak_odr dso_local i32 @"?foo@?$templ@H@@QEAAHH@Z.resolver"(ptr %0, i32 %1) | 
|  | // WINDOWS: call i32 @"?foo@?$templ@H@@QEAAHH@Z.arch_sandybridge" | 
|  | // WINDOWS: call i32 @"?foo@?$templ@H@@QEAAHH@Z.arch_ivybridge" | 
|  | // WINDOWS: call i32 @"?foo@?$templ@H@@QEAAHH@Z.sse4.2" | 
|  | // WINDOWS: call i32 @"?foo@?$templ@H@@QEAAHH@Z" | 
|  |  | 
|  | // ITANIUM: define weak_odr ptr @_ZN5templIdE3fooEi.resolver() | 
|  | // LINUX-SAME: comdat | 
|  | // ITANIUM: ret ptr @_ZN5templIdE3fooEi.arch_sandybridge | 
|  | // ITANIUM: ret ptr @_ZN5templIdE3fooEi.arch_ivybridge | 
|  | // ITANIUM: ret ptr @_ZN5templIdE3fooEi.sse4.2 | 
|  | // ITANIUM: ret ptr @_ZN5templIdE3fooEi | 
|  |  | 
|  | // WINDOWS: define weak_odr dso_local i32 @"?foo@?$templ@N@@QEAAHH@Z.resolver"(ptr %0, i32 %1) comdat | 
|  | // WINDOWS: call i32 @"?foo@?$templ@N@@QEAAHH@Z.arch_sandybridge" | 
|  | // WINDOWS: call i32 @"?foo@?$templ@N@@QEAAHH@Z.arch_ivybridge" | 
|  | // WINDOWS: call i32 @"?foo@?$templ@N@@QEAAHH@Z.sse4.2" | 
|  | // WINDOWS: call i32 @"?foo@?$templ@N@@QEAAHH@Z" | 
|  |  | 
|  | // ITANIUM: define linkonce_odr noundef i32 @_ZN1S3fooEi.sse4.2(ptr {{[^,]*}} %this, i32 noundef %0) | 
|  | // ITANIUM: ret i32 0 | 
|  |  | 
|  | // WINDOWS: define linkonce_odr dso_local noundef i32 @"?foo@S@@QEAAHH@Z.sse4.2"(ptr {{[^,]*}} %this, i32 noundef %0) | 
|  | // WINDOWS: ret i32 0 | 
|  |  | 
|  | // 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) | 
|  |  | 
|  | // ITANIUM: define linkonce_odr noundef i32 @_ZN1S3fooEi.arch_ivybridge(ptr {{[^,]*}} %this, i32 noundef %0) | 
|  | // ITANIUM: ret i32 1 | 
|  |  | 
|  | // WINDOWS: define linkonce_odr dso_local noundef i32 @"?foo@S@@QEAAHH@Z.arch_ivybridge"(ptr {{[^,]*}} %this, i32 noundef %0) | 
|  | // WINDOWS: ret i32 1 | 
|  |  | 
|  | // ITANIUM: define linkonce_odr noundef i32 @_ZN1S3fooEi(ptr {{[^,]*}} %this, i32 noundef %0) | 
|  | // ITANIUM: ret i32 2 | 
|  |  | 
|  | // WINDOWS: define linkonce_odr dso_local noundef i32 @"?foo@S@@QEAAHH@Z"(ptr {{[^,]*}} %this, i32 noundef %0) | 
|  | // WINDOWS: ret i32 2 | 
|  |  | 
|  | // ITANIUM: define linkonce_odr noundef i32 @_ZN5templIiE3fooEi.sse4.2 | 
|  | // ITANIUM: declare noundef i32 @_ZN5templIiE3fooEi.arch_sandybridge | 
|  | // ITANIUM: define linkonce_odr noundef i32 @_ZN5templIiE3fooEi.arch_ivybridge | 
|  | // ITANIUM: define linkonce_odr noundef i32 @_ZN5templIiE3fooEi | 
|  |  | 
|  | // WINDOWS: define linkonce_odr dso_local noundef i32 @"?foo@?$templ@H@@QEAAHH@Z.sse4.2" | 
|  | // WINDOWS: declare dso_local noundef i32 @"?foo@?$templ@H@@QEAAHH@Z.arch_sandybridge" | 
|  | // WINDOWS: define linkonce_odr dso_local noundef i32 @"?foo@?$templ@H@@QEAAHH@Z.arch_ivybridge" | 
|  | // WINDOWS: define linkonce_odr dso_local noundef i32 @"?foo@?$templ@H@@QEAAHH@Z" | 
|  |  | 
|  | // ITANIUM: define linkonce_odr noundef i32 @_ZN5templIdE3fooEi.sse4.2 | 
|  | // ITANIUM: declare noundef i32 @_ZN5templIdE3fooEi.arch_sandybridge | 
|  | // ITANIUM: define linkonce_odr noundef i32 @_ZN5templIdE3fooEi.arch_ivybridge | 
|  | // ITANIUM: define linkonce_odr noundef i32 @_ZN5templIdE3fooEi | 
|  |  | 
|  | // WINDOWS: define linkonce_odr dso_local noundef i32 @"?foo@?$templ@N@@QEAAHH@Z.sse4.2" | 
|  | // WINDOWS: declare dso_local noundef i32 @"?foo@?$templ@N@@QEAAHH@Z.arch_sandybridge" | 
|  | // WINDOWS: define linkonce_odr dso_local noundef i32 @"?foo@?$templ@N@@QEAAHH@Z.arch_ivybridge" | 
|  | // WINDOWS: define linkonce_odr dso_local noundef i32 @"?foo@?$templ@N@@QEAAHH@Z" |