1 // RUN: %clang_cc1 -O2 -emit-llvm -fms-extensions -o - %s | FileCheck %s
2 
3 #pragma optimize("", off)
4 
5 // CHECK: define{{.*}} void @f0(){{.*}} #[[OPTNONE:[0-9]+]]
6 void f0() {}
7 
8 // CHECK: define{{.*}} void @f1(){{.*}} #[[OPTNONE]]
9 void f1() {}
10 
11 #pragma optimize("", on)
12 
13 // CHECK: define{{.*}} void @f2(){{.*}} #[[NO_OPTNONE:[0-9]+]]
14 void f2() {}
15 
16 // CHECK: define{{.*}} void @f3(){{.*}} #[[NO_OPTNONE]]
17 void f3() {}
18 
19 // CHECK:         attributes #[[OPTNONE]] = {{{.*}}optnone{{.*}}}
20 // CHECK-NOT:     attributes #[[NO_OPTNONE]] = {{{.*}}optnone{{.*}}}
21