inline.c revision 923099773fe4bbc52a25a5d3d92236b5e37cef93 
1// RUN: echo "GNU89 tests:"
2// RUN: %clang %s -target i386-unknown-unknown -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// RUN: grep "define i32 @test6" %t
16// RUN: grep "define void @test7" %t
17// RUN: grep "define i.. @strlcpy" %t
18// RUN: not grep test9 %t
19// RUN: grep "define void @testA" %t
20// RUN: grep "define void @testB" %t
21// RUN: grep "define void @testC" %t
22
23// RUN: echo "C99 tests:"
24// RUN: %clang %s -target i386-unknown-unknown -O1 -emit-llvm -S -o %t -std=gnu99
25// RUN: grep "define i32 @ei()" %t
26// RUN: grep "define available_externally i32 @foo()" %t
27// RUN: grep "define i32 @bar()" %t
28// RUN: not grep unreferenced1 %t
29// RUN: grep "define void @unreferenced2()" %t
30// RUN: grep "define void @gnu_inline()" %t
31// RUN: grep "define available_externally void @gnu_ei_inline()" %t
32// RUN: grep "define i32 @test1" %t
33// RUN: grep "define i32 @test2" %t
34// RUN: grep "define void @test3" %t
35// RUN: grep "define available_externally i32 @test4" %t
36// RUN: grep "define available_externally i32 @test5" %t
37// RUN: grep "define i32 @test6" %t
38// RUN: grep "define void @test7" %t
39// RUN: grep "define available_externally i.. @strlcpy" %t
40// RUN: grep "define void @test9" %t
41// RUN: grep "define void @testA" %t
42// RUN: grep "define void @testB" %t
43// RUN: grep "define void @testC" %t
44
45// RUN: echo "C++ tests:"
46// RUN: %clang -x c++ %s -target i386-unknown-unknown -O1 -emit-llvm -S -o %t -std=c++98
47// RUN: grep "define linkonce_odr i32 @_Z2eiv()" %t
48// RUN: grep "define linkonce_odr i32 @_Z3foov()" %t
49// RUN: grep "define i32 @_Z3barv()" %t
50// RUN: not grep unreferenced %t
51// RUN: grep "define void @_Z10gnu_inlinev()" %t
52// RUN: grep "define available_externally void @_Z13gnu_ei_inlinev()" %t
53
54extern __inline int ei() { return 123; }
55
56__inline int foo() {
57  return ei();
58}
59
60int bar() { return foo(); }
61
62
63__inline void unreferenced1() {}
64extern __inline void unreferenced2() {}
65
66__inline __attribute((__gnu_inline__)) void gnu_inline() {}
67
68// PR3988
69extern __inline __attribute__((gnu_inline)) void gnu_ei_inline() {}
70void (*P)() = gnu_ei_inline;
71
72// <rdar://problem/6818429>
73int test1();
74__inline int test1() { return 4; }
75__inline int test2() { return 5; }
76__inline int test2();
77int test2();
78
79void test_test1() { test1(); }
80void test_test2() { test2(); }
81
82// PR3989
83extern __inline void test3() __attribute__((gnu_inline));
84__inline void __attribute__((gnu_inline)) test3() {}
85
86extern int test4(void);
87extern __inline __attribute__ ((__gnu_inline__)) int test4(void)
88{
89  return 0;
90}
91
92void test_test4() { test4(); }
93
94extern __inline int test5(void)  __attribute__ ((__gnu_inline__));
95extern __inline int __attribute__ ((__gnu_inline__)) test5(void)
96{
97  return 0;
98}
99
100void test_test5() { test5(); }
101
102// PR10233
103
104__inline int test6() { return 0; }
105extern int test6();
106
107
108// No PR#, but this once crashed clang in C99 mode due to buggy extern inline
109// redeclaration detection.
110void test7() { }
111void test7();
112
113// PR11062; the fact that the function is named strlcpy matters here.
114inline __typeof(sizeof(int)) strlcpy(char *dest, const char *src, __typeof(sizeof(int)) size) { return 3; }
115void test8() { strlcpy(0,0,0); }
116
117// PR10657; the test crashed in C99 mode
118extern inline void test9() { }
119void test9();
120
121inline void testA() {}
122void testA();
123
124void testB();
125inline void testB() {}
126extern void testB();
127
128extern inline void testC() {}
129inline void testC();
130