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); 6 void b() { 7 FP f = temp; 8 } 9 10 int __attribute__((target("sse4.2"))) foo(int) { return 0; } 11 int __attribute__((target("arch=sandybridge"))) foo(int); 12 int __attribute__((target("arch=ivybridge"))) foo(int) {return 1;} 13 int __attribute__((target("default"))) foo(int) { return 2; } 14 15 struct S { 16 int __attribute__((target("sse4.2"))) foo(int) { return 0; } 17 int __attribute__((target("arch=sandybridge"))) foo(int); 18 int __attribute__((target("arch=ivybridge"))) foo(int) {return 1;} 19 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 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@@[email protected]", i32 (i32)** 50 // Store to Member 51 // WINDOWS: store i8* bitcast (i32 (%struct.S*, i32)* @"?foo@S@@[email protected]" to i8*), i8** 52 53 // Call to 'f' 54 // WINDOWS: call void @"?f@@YAXP6AHH@ZP8S@@EAAHH@Z@Z"(i32 (i32)* @"?foo@@[email protected]", i8* bitcast (i32 (%struct.S*, i32)* @"?foo@S@@[email protected]" to i8*)) 55