1 // RUN: echo "GNU89 tests:"
2 // RUN: %clang %s -O1 -emit-llvm -S -o %t -std=gnu89
3 // RUN: grep "define available_externally i32 @ei()" %t
4 // RUN: grep "define i32 @foo()" %t
5 // RUN: grep "define i32 @bar()" %t
6 // RUN: grep "define void @unreferenced1()" %t
7 // RUN: not grep unreferenced2 %t
8 // RUN: grep "define void @gnu_inline()" %t
9 // RUN: grep "define available_externally void @gnu_ei_inline()" %t
10 // RUN: grep "define i32 @test1" %t
11 // RUN: grep "define i32 @test2" %t
12 // RUN: grep "define void @test3()" %t
13 // RUN: grep "define available_externally i32 @test4" %t
14 // RUN: grep "define available_externally i32 @test5" %t
15 
16 // RUN: echo "\nC99 tests:"
17 // RUN: %clang %s -O1 -emit-llvm -S -o %t -std=c99
18 // RUN: grep "define i32 @ei()" %t
19 // RUN: grep "define available_externally i32 @foo()" %t
20 // RUN: grep "define i32 @bar()" %t
21 // RUN: not grep unreferenced1 %t
22 // RUN: grep "define void @unreferenced2()" %t
23 // RUN: grep "define void @gnu_inline()" %t
24 // RUN: grep "define available_externally void @gnu_ei_inline()" %t
25 // RUN: grep "define i32 @test1" %t
26 // RUN: grep "define i32 @test2" %t
27 // RUN: grep "define void @test3" %t
28 // RUN: grep "define available_externally i32 @test4" %t
29 // RUN: grep "define available_externally i32 @test5" %t
30 
31 // RUN: echo "\nC++ tests:"
32 // RUN: %clang %s -O1 -emit-llvm -S -o %t -std=c++98
33 // RUN: grep "define linkonce_odr i32 @_Z2eiv()" %t
34 // RUN: grep "define linkonce_odr i32 @_Z3foov()" %t
35 // RUN: grep "define i32 @_Z3barv()" %t
36 // RUN: not grep unreferenced %t
37 // RUN: grep "define void @_Z10gnu_inlinev()" %t
38 // RUN: grep "define available_externally void @_Z13gnu_ei_inlinev()" %t
39 
40 extern __inline int ei() { return 123; }
41 
42 __inline int foo() {
43   return ei();
44 }
45 
46 int bar() { return foo(); }
47 
48 
49 __inline void unreferenced1() {}
50 extern __inline void unreferenced2() {}
51 
52 __inline __attribute((__gnu_inline__)) void gnu_inline() {}
53 
54 // PR3988
55 extern __inline __attribute__((gnu_inline)) void gnu_ei_inline() {}
56 void (*P)() = gnu_ei_inline;
57 
58 // <rdar://problem/6818429>
59 int test1();
60 __inline int test1() { return 4; }
61 __inline int test2() { return 5; }
62 __inline int test2();
63 int test2();
64 
65 void test_test1() { test1(); }
66 void test_test2() { test2(); }
67 
68 // PR3989
69 extern __inline void test3() __attribute__((gnu_inline));
70 __inline void __attribute__((gnu_inline)) test3() {}
71 
72 extern int test4(void);
73 extern __inline __attribute__ ((__gnu_inline__)) int test4(void)
74 {
75   return 0;
76 }
77 
78 void test_test4() { test4(); }
79 
80 extern __inline int test5(void)  __attribute__ ((__gnu_inline__));
81 extern __inline int __attribute__ ((__gnu_inline__)) test5(void)
82 {
83   return 0;
84 }
85 
86 void test_test5() { test5(); }
87