1 // RUN: %clang_cc1 -triple x86_64-apple-macosx10.7.0 %s -emit-llvm -o - | FileCheck %s
2 
3 // CHECK: %{{[a-z0-9]+}} = notail call i32 @callee0(i32 %
4 // CHECK: %{{[a-z0-9]+}} = notail call i32 @callee1(i32 %
5 
6 // Check that indirect calls do not have the notail marker.
7 // CHECK: store i32 (i32)* @callee1, i32 (i32)** [[ALLOCA1:%[A-Za-z0-9]+]], align 8
8 // CHECK: [[INDIRFUNC:%[0-9]+]] = load i32 (i32)*, i32 (i32)** [[ALLOCA1]], align 8
9 // CHECK: %{{[a-z0-9]+}} = call i32 [[INDIRFUNC]](i32 %{{[0-9]+}}
10 
11 // CHECK: %{{[a-z0-9]+}} = call i32 @callee2(i32 %
12 
13 int callee0(int a) __attribute__((not_tail_called)) {
14   return a + 1;
15 }
16 
17 int callee1(int) __attribute__((not_tail_called));
18 
19 int callee2(int);
20 
21 typedef int (*FuncTy)(int);
22 
23 int foo0(int a) {
24   if (a > 1)
25     return callee0(a);
26   if (a == 1)
27     return callee1(a);
28   if (a < 0) {
29     FuncTy F = callee1;
30     return (*F)(a);
31   }
32   return callee2(a);
33 }
34