blob: 6336e190426bd5b9ac7ec5128aa8da03d79a92e3 [file] [log] [blame]
Erich Keane19a8adc2018-10-25 18:57:19 +00001// 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
Erich Keane281d20b2018-01-08 21:34:17 +00003void temp();
4void temp(int);
5using FP = void(*)(int);
6void b() {
7 FP f = temp;
8}
9
10int __attribute__((target("sse4.2"))) foo(int) { return 0; }
11int __attribute__((target("arch=sandybridge"))) foo(int);
12int __attribute__((target("arch=ivybridge"))) foo(int) {return 1;}
13int __attribute__((target("default"))) foo(int) { return 2; }
14
15struct S {
16int __attribute__((target("sse4.2"))) foo(int) { return 0; }
17int __attribute__((target("arch=sandybridge"))) foo(int);
18int __attribute__((target("arch=ivybridge"))) foo(int) {return 1;}
19int __attribute__((target("default"))) foo(int) { return 2; }
20};
21
22using FuncPtr = int (*)(int);
23using MemFuncPtr = int (S::*)(int);
24
25void f(FuncPtr, MemFuncPtr);
26
27int 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
Erich Keane19a8adc2018-10-25 18:57:19 +000035// LINUX: @_Z3fooi.ifunc
36// LINUX: @_ZN1S3fooEi.ifunc
Erich Keane281d20b2018-01-08 21:34:17 +000037
Fangrui Songdbc96b52020-02-03 10:09:39 -080038// LINUX: define i32 @_Z3barv()
Erich Keane281d20b2018-01-08 21:34:17 +000039// Store to Free of ifunc
Erich Keane19a8adc2018-10-25 18:57:19 +000040// LINUX: store i32 (i32)* @_Z3fooi.ifunc
Erich Keane281d20b2018-01-08 21:34:17 +000041// Store to Member of ifunc
Erich Keane19a8adc2018-10-25 18:57:19 +000042// LINUX: store { i64, i64 } { i64 ptrtoint (i32 (%struct.S*, i32)* @_ZN1S3fooEi.ifunc to i64), i64 0 }, { i64, i64 }* [[MEMBER:%[a-z]+]]
Erich Keane281d20b2018-01-08 21:34:17 +000043
44// Call to 'f' with the ifunc
Erich Keane19a8adc2018-10-25 18:57:19 +000045// 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*))