1 // RUN: %clang_cc1 -no-opaque-pointers -triple x86_64-linux-gnu -emit-llvm -o - %s | FileCheck %s --check-prefix=LINUX
2 // RUN: %clang_cc1 -no-opaque-pointers -triple x86_64-windows-pc -fms-compatibility -emit-llvm -o - %s | FileCheck %s --check-prefix=WINDOWS
3 
4 struct OutOfLineDefs {
5   int foo(int);
6   int foo(int, int);
7   __attribute__((cpu_specific(atom))) int foo(int, int, int) { return 1; }
8 };
9 
10 int __attribute__((cpu_specific(atom))) OutOfLineDefs::foo(int) {
11   return 1;
12 }
13 int __attribute__((cpu_specific(ivybridge))) OutOfLineDefs::foo(int) {
14   return 2;
15 }
16 int __attribute__((cpu_dispatch(ivybridge, atom))) OutOfLineDefs::foo(int) {
17 }
18 
19 int __attribute__((cpu_specific(atom))) OutOfLineDefs::foo(int, int) {
20   return 1;
21 }
22 int __attribute__((cpu_specific(ivybridge))) OutOfLineDefs::foo(int, int) {
23   return 2;
24 }
25 int __attribute__((cpu_dispatch(ivybridge, atom)))
26 OutOfLineDefs::foo(int, int) {
27 }
28 
29 int __attribute__((cpu_specific(ivybridge))) OutOfLineDefs::foo(int, int, int) {
30   return 2;
31 }
32 int __attribute__((cpu_specific(sandybridge)))
33 OutOfLineDefs::foo(int, int, int) {
34   return 3;
35 }
36 int __attribute__((cpu_dispatch(sandybridge, ivybridge, atom)))
37 OutOfLineDefs::foo(int, int, int) {
38 }
39 
40 // IFunc definitions, Linux only.
41 // LINUX: @_ZN13OutOfLineDefs3fooEi = weak_odr alias i32 (%struct.OutOfLineDefs*, i32), i32 (%struct.OutOfLineDefs*, i32)* @_ZN13OutOfLineDefs3fooEi.ifunc
42 // LINUX: @_ZN13OutOfLineDefs3fooEii = weak_odr alias i32 (%struct.OutOfLineDefs*, i32, i32), i32 (%struct.OutOfLineDefs*, i32, i32)* @_ZN13OutOfLineDefs3fooEii.ifunc
43 // LINUX: @_ZN13OutOfLineDefs3fooEiii = weak_odr alias i32 (%struct.OutOfLineDefs*, i32, i32, i32), i32 (%struct.OutOfLineDefs*, i32, i32, i32)* @_ZN13OutOfLineDefs3fooEiii.ifunc
44 
45 // LINUX: @_ZN13OutOfLineDefs3fooEi.ifunc = weak_odr ifunc i32 (%struct.OutOfLineDefs*, i32), i32 (%struct.OutOfLineDefs*, i32)* ()* @_ZN13OutOfLineDefs3fooEi.resolver
46 // LINUX: @_ZN13OutOfLineDefs3fooEii.ifunc = weak_odr ifunc i32 (%struct.OutOfLineDefs*, i32, i32), i32 (%struct.OutOfLineDefs*, i32, i32)* ()* @_ZN13OutOfLineDefs3fooEii.resolver
47 // LINUX: @_ZN13OutOfLineDefs3fooEiii.ifunc = weak_odr ifunc i32 (%struct.OutOfLineDefs*, i32, i32, i32), i32 (%struct.OutOfLineDefs*, i32, i32, i32)* ()* @_ZN13OutOfLineDefs3fooEiii.resolver
48 
49 // Arity 1 version:
50 // LINUX: define dso_local noundef i32 @_ZN13OutOfLineDefs3fooEi.O
51 // LINUX: define dso_local noundef i32 @_ZN13OutOfLineDefs3fooEi.S
52 // LINUX: define weak_odr i32 (%struct.OutOfLineDefs*, i32)* @_ZN13OutOfLineDefs3fooEi.resolver()
53 // LINUX: ret i32 (%struct.OutOfLineDefs*, i32)* @_ZN13OutOfLineDefs3fooEi.S
54 // LINUX: ret i32 (%struct.OutOfLineDefs*, i32)* @_ZN13OutOfLineDefs3fooEi.O
55 // LINUX: call void @llvm.trap
56 
57 // WINDOWS: define dso_local noundef i32 @"?foo@OutOfLineDefs@@[email protected]"
58 // WINDOWS: define dso_local noundef i32 @"?foo@OutOfLineDefs@@[email protected]"
59 // WINDOWS: define weak_odr dso_local i32 @"?foo@OutOfLineDefs@@QEAAHH@Z"(%struct.OutOfLineDefs* %0, i32 %1)
60 // WINDOWS: musttail call i32 @"?foo@OutOfLineDefs@@[email protected]"(%struct.OutOfLineDefs* %0, i32 %1)
61 // WINDOWS: musttail call i32 @"?foo@OutOfLineDefs@@[email protected]"(%struct.OutOfLineDefs* %0, i32 %1)
62 // WINDOWS: call void @llvm.trap
63 
64 // Arity 2 version:
65 // LINUX: define dso_local noundef i32 @_ZN13OutOfLineDefs3fooEii.O
66 // LINUX: define dso_local noundef i32 @_ZN13OutOfLineDefs3fooEii.S
67 // LINUX: define weak_odr i32 (%struct.OutOfLineDefs*, i32, i32)* @_ZN13OutOfLineDefs3fooEii.resolver()
68 // LINUX: ret i32 (%struct.OutOfLineDefs*, i32, i32)* @_ZN13OutOfLineDefs3fooEii.S
69 // LINUX: ret i32 (%struct.OutOfLineDefs*, i32, i32)* @_ZN13OutOfLineDefs3fooEii.O
70 // LINUX: call void @llvm.trap
71 
72 // WINDOWS: define dso_local noundef i32 @"?foo@OutOfLineDefs@@[email protected]"
73 // WINDOWS: define dso_local noundef i32 @"?foo@OutOfLineDefs@@[email protected]"
74 // WINDOWS: define weak_odr dso_local i32 @"?foo@OutOfLineDefs@@QEAAHHH@Z"(%struct.OutOfLineDefs* %0, i32 %1, i32 %2)
75 // WINDOWS: musttail call i32 @"?foo@OutOfLineDefs@@[email protected]"(%struct.OutOfLineDefs* %0, i32 %1, i32 %2)
76 // WINDOWS: musttail call i32 @"?foo@OutOfLineDefs@@[email protected]"(%struct.OutOfLineDefs* %0, i32 %1, i32 %2)
77 // WINDOWS: call void @llvm.trap
78 
79 // Arity 3 version:
80 // LINUX: define dso_local noundef i32 @_ZN13OutOfLineDefs3fooEiii.S
81 // LINUX: define dso_local noundef i32 @_ZN13OutOfLineDefs3fooEiii.R
82 // LINUX: define weak_odr i32 (%struct.OutOfLineDefs*, i32, i32, i32)* @_ZN13OutOfLineDefs3fooEiii.resolver()
83 // LINUX: ret i32 (%struct.OutOfLineDefs*, i32, i32, i32)* @_ZN13OutOfLineDefs3fooEiii.R
84 // LINUX: ret i32 (%struct.OutOfLineDefs*, i32, i32, i32)* @_ZN13OutOfLineDefs3fooEiii.S
85 // LINUX: ret i32 (%struct.OutOfLineDefs*, i32, i32, i32)* @_ZN13OutOfLineDefs3fooEiii.O
86 // LINUX: call void @llvm.trap
87 // LINUX: define linkonce_odr noundef i32 @_ZN13OutOfLineDefs3fooEiii.O
88 
89 // WINDOWS: define dso_local noundef i32 @"?foo@OutOfLineDefs@@[email protected]"
90 // WINDOWS: define dso_local noundef i32 @"?foo@OutOfLineDefs@@[email protected]"
91 // WINDOWS: define weak_odr dso_local i32 @"?foo@OutOfLineDefs@@QEAAHHHH@Z"(%struct.OutOfLineDefs* %0, i32 %1, i32 %2, i32 %3)
92 // WINDOWS: musttail call i32 @"?foo@OutOfLineDefs@@[email protected]"(%struct.OutOfLineDefs* %0, i32 %1, i32 %2, i32 %3)
93 // WINDOWS: musttail call i32 @"?foo@OutOfLineDefs@@[email protected]"(%struct.OutOfLineDefs* %0, i32 %1, i32 %2, i32 %3)
94 // WINDOWS: musttail call i32 @"?foo@OutOfLineDefs@@[email protected]"(%struct.OutOfLineDefs* %0, i32 %1, i32 %2, i32 %3)
95 // WINDOWS: call void @llvm.trap
96 // WINDOWS: define linkonce_odr dso_local noundef i32 @"?foo@OutOfLineDefs@@[email protected]"
97 
98