| Erich Keane | 281d20b | 2018-01-08 21:34:17 +0000 | [diff] [blame^] | 1 | // RUN: %clang_cc1 -std=c++11 -triple x86_64-linux-gnu -emit-llvm %s -o - | FileCheck %s |
| 2 | void temp(); |
| 3 | void temp(int); |
| 4 | using FP = void(*)(int); |
| 5 | void b() { |
| 6 | FP f = temp; |
| 7 | } |
| 8 | |
| 9 | int __attribute__((target("sse4.2"))) foo(int) { return 0; } |
| 10 | int __attribute__((target("arch=sandybridge"))) foo(int); |
| 11 | int __attribute__((target("arch=ivybridge"))) foo(int) {return 1;} |
| 12 | int __attribute__((target("default"))) foo(int) { return 2; } |
| 13 | |
| 14 | struct S { |
| 15 | int __attribute__((target("sse4.2"))) foo(int) { return 0; } |
| 16 | int __attribute__((target("arch=sandybridge"))) foo(int); |
| 17 | int __attribute__((target("arch=ivybridge"))) foo(int) {return 1;} |
| 18 | int __attribute__((target("default"))) foo(int) { return 2; } |
| 19 | }; |
| 20 | |
| 21 | using FuncPtr = int (*)(int); |
| 22 | using MemFuncPtr = int (S::*)(int); |
| 23 | |
| 24 | void f(FuncPtr, MemFuncPtr); |
| 25 | |
| 26 | int bar() { |
| 27 | FuncPtr Free = &foo; |
| 28 | MemFuncPtr Member = &S::foo; |
| 29 | S s; |
| 30 | f(foo, &S::foo); |
| 31 | return Free(1) + (s.*Member)(2); |
| 32 | } |
| 33 | |
| 34 | |
| 35 | // CHECK: @_Z3fooi.ifunc |
| 36 | // CHECK: @_ZN1S3fooEi.ifunc |
| 37 | |
| 38 | // CHECK: define i32 @_Z3barv() |
| 39 | // Store to Free of ifunc |
| 40 | // CHECK: store i32 (i32)* @_Z3fooi.ifunc |
| 41 | // Store to Member of ifunc |
| 42 | // CHECK: 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 | // CHECK: call void @_Z1fPFiiEM1SFiiE(i32 (i32)* @_Z3fooi.ifunc |