1 // RUN: %clang_cc1 -std=c++11 -triple x86_64-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefix=LINUX
2 // RUN: %clang_cc1 -std=c++11 -triple x86_64-windows-pc -emit-llvm %s -o - | FileCheck %s --check-prefix=WINDOWS
3 void temp();
4 void temp(int);
5 using FP = void(*)(int);
b()6 void b() {
7 FP f = temp;
8 }
9
foo(int)10 int __attribute__((target("sse4.2"))) foo(int) { return 0; }
11 int __attribute__((target("arch=sandybridge"))) foo(int);
foo(int)12 int __attribute__((target("arch=ivybridge"))) foo(int) {return 1;}
foo(int)13 int __attribute__((target("default"))) foo(int) { return 2; }
14
15 struct S {
fooS16 int __attribute__((target("sse4.2"))) foo(int) { return 0; }
17 int __attribute__((target("arch=sandybridge"))) foo(int);
fooS18 int __attribute__((target("arch=ivybridge"))) foo(int) {return 1;}
fooS19 int __attribute__((target("default"))) foo(int) { return 2; }
20 };
21
22 using FuncPtr = int (*)(int);
23 using MemFuncPtr = int (S::*)(int);
24
25 void f(FuncPtr, MemFuncPtr);
26
bar()27 int bar() {
28 FuncPtr Free = &foo;
29 MemFuncPtr Member = &S::foo;
30 S s;
31 f(foo, &S::foo);
32 return Free(1) + (s.*Member)(2);
33 }
34
35 // LINUX: @_Z3fooi.ifunc
36 // LINUX: @_ZN1S3fooEi.ifunc
37
38 // LINUX: define i32 @_Z3barv()
39 // Store to Free of ifunc
40 // LINUX: store i32 (i32)* @_Z3fooi.ifunc
41 // Store to Member of ifunc
42 // LINUX: store { i64, i64 } { i64 ptrtoint (i32 (%struct.S*, i32)* @_ZN1S3fooEi.ifunc to i64), i64 0 }, { i64, i64 }* [[MEMBER:%[a-z]+]]
43
44 // Call to 'f' with the ifunc
45 // LINUX: call void @_Z1fPFiiEM1SFiiE(i32 (i32)* @_Z3fooi.ifunc
46
47 // WINDOWS: define dso_local i32 @"?bar@@YAHXZ"()
48 // Store to Free
49 // WINDOWS: store i32 (i32)* @"?foo@@YAHH@Z.resolver", i32 (i32)**
50 // Store to Member
51 // WINDOWS: store i8* bitcast (i32 (%struct.S*, i32)* @"?foo@S@@QEAAHH@Z.resolver" to i8*), i8**
52
53 // Call to 'f'
54 // WINDOWS: call void @"?f@@YAXP6AHH@ZP8S@@EAAHH@Z@Z"(i32 (i32)* @"?foo@@YAHH@Z.resolver", i8* bitcast (i32 (%struct.S*, i32)* @"?foo@S@@QEAAHH@Z.resolver" to i8*))
55