1 // RUN: %clang_cc1 -S -emit-llvm %s -triple x86_64-unknown-linux-gnu -o - | FileCheck %s
2 
3 bool bar();
4 void f(bool, bool);
5 
6 void foo(int i) {
7   [[clang::nomerge]] bar();
8   [[clang::nomerge]] (i = 4, bar());
9   [[clang::nomerge]] (void)(bar());
10   [[clang::nomerge]] f(bar(), bar());
11   [[clang::nomerge]] [] { bar(); bar(); }(); // nomerge only applies to the anonymous function call
12   [[clang::nomerge]] for (bar(); bar(); bar()) {}
13   [[clang::nomerge]] { asm("nop"); }
14   bar();
15 }
16 // CHECK: call zeroext i1 @_Z3barv() #[[NOMERGEATTR:[0-9]+]]
17 // CHECK: call zeroext i1 @_Z3barv() #[[NOMERGEATTR]]
18 // CHECK: call zeroext i1 @_Z3barv() #[[NOMERGEATTR]]
19 // CHECK: call zeroext i1 @_Z3barv() #[[NOMERGEATTR]]
20 // CHECK: call zeroext i1 @_Z3barv() #[[NOMERGEATTR]]
21 // CHECK: call void @_Z1fbb({{.*}}) #[[NOMERGEATTR]]
22 // CHECK: call void @"_ZZ3fooiENK3$_0clEv"(%class.anon* %ref.tmp) #[[NOMERGEATTR]]
23 // CHECK: call zeroext i1 @_Z3barv() #[[NOMERGEATTR]]
24 // CHECK: call zeroext i1 @_Z3barv() #[[NOMERGEATTR]]
25 // CHECK: call zeroext i1 @_Z3barv() #[[NOMERGEATTR]]
26 // CHECK: call void asm {{.*}} #[[NOMERGEATTR2:[0-9]+]]
27 // CHECK: call zeroext i1 @_Z3barv()
28 // CHECK: attributes #[[NOMERGEATTR]] = { nomerge }
29 // CHECK: attributes #[[NOMERGEATTR2]] = { nomerge nounwind }
30