xref: /minix3/external/bsd/llvm/dist/clang/test/CodeGen/inline.c (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7)
1f4a2713aSLionel Sambuc // RUN: echo "GNU89 tests:"
2f4a2713aSLionel Sambuc // RUN: %clang_cc1 %s -triple i386-unknown-unknown -O1 -disable-llvm-optzns -emit-llvm -o - -std=gnu89 | FileCheck %s --check-prefix=CHECK1
3f4a2713aSLionel Sambuc // CHECK1-LABEL: define i32 @foo()
4f4a2713aSLionel Sambuc // CHECK1-LABEL: define i32 @bar()
5f4a2713aSLionel Sambuc // CHECK1-LABEL: define void @unreferenced1()
6f4a2713aSLionel Sambuc // CHECK1-NOT: unreferenced2
7f4a2713aSLionel Sambuc // CHECK1-LABEL: define void @gnu_inline()
8f4a2713aSLionel Sambuc // CHECK1-LABEL: define i32 @test1
9f4a2713aSLionel Sambuc // CHECK1-LABEL: define i32 @test2
10f4a2713aSLionel Sambuc // CHECK1-LABEL: define void @test3()
11f4a2713aSLionel Sambuc // CHECK1-LABEL: define available_externally i32 @test4
12f4a2713aSLionel Sambuc // CHECK1-LABEL: define available_externally i32 @test5
13f4a2713aSLionel Sambuc // CHECK1-LABEL: define i32 @test6
14f4a2713aSLionel Sambuc // CHECK1-LABEL: define void @test7
15f4a2713aSLionel Sambuc // CHECK1: define i{{..}} @strlcpy
16f4a2713aSLionel Sambuc // CHECK1-NOT: test9
17f4a2713aSLionel Sambuc // CHECK1-LABEL: define void @testA
18f4a2713aSLionel Sambuc // CHECK1-LABEL: define void @testB
19f4a2713aSLionel Sambuc // CHECK1-LABEL: define void @testC
20f4a2713aSLionel Sambuc // CHECK1-LABEL: define available_externally void @gnu_ei_inline()
21f4a2713aSLionel Sambuc // CHECK1-LABEL: define available_externally i32 @ei()
22f4a2713aSLionel Sambuc 
23f4a2713aSLionel Sambuc // RUN: echo "C99 tests:"
24f4a2713aSLionel Sambuc // RUN: %clang_cc1 %s -triple i386-unknown-unknown -O1 -disable-llvm-optzns -emit-llvm -o - -std=gnu99 | FileCheck %s --check-prefix=CHECK2
25f4a2713aSLionel Sambuc // CHECK2-LABEL: define i32 @ei()
26f4a2713aSLionel Sambuc // CHECK2-LABEL: define i32 @bar()
27f4a2713aSLionel Sambuc // CHECK2-NOT: unreferenced1
28f4a2713aSLionel Sambuc // CHECK2-LABEL: define void @unreferenced2()
29f4a2713aSLionel Sambuc // CHECK2-LABEL: define void @gnu_inline()
30f4a2713aSLionel Sambuc // CHECK2-LABEL: define i32 @test1
31f4a2713aSLionel Sambuc // CHECK2-LABEL: define i32 @test2
32f4a2713aSLionel Sambuc // CHECK2-LABEL: define void @test3
33f4a2713aSLionel Sambuc // CHECK2-LABEL: define available_externally i32 @test4
34f4a2713aSLionel Sambuc // CHECK2-LABEL: define available_externally i32 @test5
35f4a2713aSLionel Sambuc // CHECK2-LABEL: define i32 @test6
36f4a2713aSLionel Sambuc // CHECK2-LABEL: define void @test7
37f4a2713aSLionel Sambuc // CHECK2: define available_externally i{{..}} @strlcpy
38f4a2713aSLionel Sambuc // CHECK2-LABEL: define void @test9
39f4a2713aSLionel Sambuc // CHECK2-LABEL: define void @testA
40f4a2713aSLionel Sambuc // CHECK2-LABEL: define void @testB
41f4a2713aSLionel Sambuc // CHECK2-LABEL: define void @testC
42f4a2713aSLionel Sambuc // CHECK2-LABEL: define available_externally void @gnu_ei_inline()
43f4a2713aSLionel Sambuc // CHECK2-LABEL: define available_externally i32 @foo()
44f4a2713aSLionel Sambuc 
45f4a2713aSLionel Sambuc // RUN: echo "C++ tests:"
46f4a2713aSLionel Sambuc // RUN: %clang_cc1 -x c++ %s -triple i386-unknown-unknown -O1 -disable-llvm-optzns -emit-llvm -o - -std=c++98 | FileCheck %s --check-prefix=CHECK3
47f4a2713aSLionel Sambuc // CHECK3-LABEL: define i32 @_Z3barv()
48f4a2713aSLionel Sambuc // CHECK3-LABEL: define linkonce_odr i32 @_Z3foov()
49f4a2713aSLionel Sambuc // CHECK3-NOT: unreferenced
50f4a2713aSLionel Sambuc // CHECK3-LABEL: define void @_Z10gnu_inlinev()
51f4a2713aSLionel Sambuc // CHECK3-LABEL: define available_externally void @_Z13gnu_ei_inlinev()
52f4a2713aSLionel Sambuc // CHECK3-LABEL: define linkonce_odr i32 @_Z2eiv()
53f4a2713aSLionel Sambuc 
54f4a2713aSLionel Sambuc // RUN: echo "MS C Mode tests:"
55f4a2713aSLionel Sambuc // RUN: %clang_cc1 %s -triple i386-unknown-unknown -O1 -disable-llvm-optzns -emit-llvm -o - -std=c99 -fms-compatibility | FileCheck %s --check-prefix=CHECK4
56*0a6a1f1dSLionel Sambuc // CHECK4-LABEL: define weak_odr i32 @ei()
57f4a2713aSLionel Sambuc // CHECK4-LABEL: define i32 @bar()
58*0a6a1f1dSLionel Sambuc // CHECK4-NOT: unreferenced1
59*0a6a1f1dSLionel Sambuc // CHECK4-LABEL: define weak_odr void @unreferenced2()
60f4a2713aSLionel Sambuc // CHECK4-LABEL: define void @gnu_inline()
61f4a2713aSLionel Sambuc // CHECK4-LABEL: define available_externally void @gnu_ei_inline()
62f4a2713aSLionel Sambuc // CHECK4-LABEL: define linkonce_odr i32 @foo()
63f4a2713aSLionel Sambuc 
ei()64f4a2713aSLionel Sambuc extern __inline int ei() { return 123; }
65f4a2713aSLionel Sambuc 
foo()66f4a2713aSLionel Sambuc __inline int foo() {
67f4a2713aSLionel Sambuc   return ei();
68f4a2713aSLionel Sambuc }
69f4a2713aSLionel Sambuc 
bar()70f4a2713aSLionel Sambuc int bar() { return foo(); }
71f4a2713aSLionel Sambuc 
72f4a2713aSLionel Sambuc 
unreferenced1()73f4a2713aSLionel Sambuc __inline void unreferenced1() {}
unreferenced2()74f4a2713aSLionel Sambuc extern __inline void unreferenced2() {}
75f4a2713aSLionel Sambuc 
gnu_inline()76f4a2713aSLionel Sambuc __inline __attribute((__gnu_inline__)) void gnu_inline() {}
77f4a2713aSLionel Sambuc 
78f4a2713aSLionel Sambuc // PR3988
gnu_ei_inline()79f4a2713aSLionel Sambuc extern __inline __attribute__((gnu_inline)) void gnu_ei_inline() {}
80f4a2713aSLionel Sambuc void (*P)() = gnu_ei_inline;
81f4a2713aSLionel Sambuc 
82f4a2713aSLionel Sambuc // <rdar://problem/6818429>
83f4a2713aSLionel Sambuc int test1();
test1()84f4a2713aSLionel Sambuc __inline int test1() { return 4; }
test2()85f4a2713aSLionel Sambuc __inline int test2() { return 5; }
86f4a2713aSLionel Sambuc __inline int test2();
87f4a2713aSLionel Sambuc int test2();
88f4a2713aSLionel Sambuc 
test_test1()89f4a2713aSLionel Sambuc void test_test1() { test1(); }
test_test2()90f4a2713aSLionel Sambuc void test_test2() { test2(); }
91f4a2713aSLionel Sambuc 
92f4a2713aSLionel Sambuc // PR3989
93f4a2713aSLionel Sambuc extern __inline void test3() __attribute__((gnu_inline));
test3()94f4a2713aSLionel Sambuc __inline void __attribute__((gnu_inline)) test3() {}
95f4a2713aSLionel Sambuc 
96f4a2713aSLionel Sambuc extern int test4(void);
test4(void)97f4a2713aSLionel Sambuc extern __inline __attribute__ ((__gnu_inline__)) int test4(void)
98f4a2713aSLionel Sambuc {
99f4a2713aSLionel Sambuc   return 0;
100f4a2713aSLionel Sambuc }
101f4a2713aSLionel Sambuc 
test_test4()102f4a2713aSLionel Sambuc void test_test4() { test4(); }
103f4a2713aSLionel Sambuc 
104f4a2713aSLionel Sambuc extern __inline int test5(void)  __attribute__ ((__gnu_inline__));
test5(void)105f4a2713aSLionel Sambuc extern __inline int __attribute__ ((__gnu_inline__)) test5(void)
106f4a2713aSLionel Sambuc {
107f4a2713aSLionel Sambuc   return 0;
108f4a2713aSLionel Sambuc }
109f4a2713aSLionel Sambuc 
test_test5()110f4a2713aSLionel Sambuc void test_test5() { test5(); }
111f4a2713aSLionel Sambuc 
112f4a2713aSLionel Sambuc // PR10233
113f4a2713aSLionel Sambuc 
test6()114f4a2713aSLionel Sambuc __inline int test6() { return 0; }
115f4a2713aSLionel Sambuc extern int test6();
116f4a2713aSLionel Sambuc 
117f4a2713aSLionel Sambuc 
118f4a2713aSLionel Sambuc // No PR#, but this once crashed clang in C99 mode due to buggy extern inline
119f4a2713aSLionel Sambuc // redeclaration detection.
test7()120f4a2713aSLionel Sambuc void test7() { }
121f4a2713aSLionel Sambuc void test7();
122f4a2713aSLionel Sambuc 
123f4a2713aSLionel Sambuc // PR11062; the fact that the function is named strlcpy matters here.
strlcpy(char * dest,const char * src,__typeof(sizeof (int)) size)124f4a2713aSLionel Sambuc inline __typeof(sizeof(int)) strlcpy(char *dest, const char *src, __typeof(sizeof(int)) size) { return 3; }
test8()125f4a2713aSLionel Sambuc void test8() { strlcpy(0,0,0); }
126f4a2713aSLionel Sambuc 
127f4a2713aSLionel Sambuc // PR10657; the test crashed in C99 mode
test9()128f4a2713aSLionel Sambuc extern inline void test9() { }
129f4a2713aSLionel Sambuc void test9();
130f4a2713aSLionel Sambuc 
testA()131f4a2713aSLionel Sambuc inline void testA() {}
132f4a2713aSLionel Sambuc void testA();
133f4a2713aSLionel Sambuc 
134f4a2713aSLionel Sambuc void testB();
testB()135f4a2713aSLionel Sambuc inline void testB() {}
136f4a2713aSLionel Sambuc extern void testB();
137f4a2713aSLionel Sambuc 
testC()138f4a2713aSLionel Sambuc extern inline void testC() {}
139f4a2713aSLionel Sambuc inline void testC();
140