xref: /llvm-project/clang/test/CoverageMapping/macros.c (revision d83511dd26ca8d0dd5be6302ad7b55de05cedab2)
1 // RUN: %clang_cc1 -mllvm -emptyline-comment-coverage=false -fprofile-instrument=clang -fcoverage-mapping -dump-coverage-mapping -emit-llvm-only -main-file-name macros.c %s | FileCheck %s
2 
3 #define MACRO return; bar()
4 #define MACRO_2 bar()
5 #define MACRO_1 return; MACRO_2
6 #define MACRO_3 MACRO_2
7 #define GOTO goto
8 
9 void bar() {}
10 
11 // CHECK: func
12 void func() {  // CHECK-NEXT: File 0, [[@LINE]]:13 -> [[@LINE+5]]:2 = #0
13   int i = 0;
14   // CHECK-NEXT: Expansion,File 0, [[@LINE+1]]:3 -> [[@LINE+1]]:8 = #0
15   MACRO;       // CHECK-NEXT: File 0, [[@LINE]]:8 -> [[@LINE+2]]:2 = 0
16   i = 2;
17 }
18 // CHECK-NEXT: File 1, 3:15 -> 3:28 = #0
19 // CHECK-NEXT: File 1, 3:23 -> 3:28 = 0
20 
21 // CHECK-NEXT: func2
22 void func2() { // CHECK-NEXT: File 0, [[@LINE]]:14 -> [[@LINE+5]]:2 = #0
23   int i = 0;
24   // CHECK-NEXT: Expansion,File 0, [[@LINE+1]]:3 -> [[@LINE+1]]:10 = #0
25   MACRO_1;     // CHECK-NEXT: File 0, [[@LINE]]:10 -> [[@LINE+2]]:2 = 0
26   i = 2;
27 }
28 // CHECK-NEXT: File 1, 5:17 -> 5:32 = #0
29 // CHECK-NEXT: Expansion,File 1, 5:25 -> 5:32 = 0
30 // CHECK-NEXT: File 2, 4:17 -> 4:22 = 0
31 
32 // CHECK-NEXT: func3
33 void func3() { // CHECK-NEXT: File 0, [[@LINE]]:14 -> [[@LINE+3]]:2 = #0
34   MACRO_2; // CHECK-NEXT: Expansion,File 0, [[@LINE]]:3 -> [[@LINE]]:10 = #0
35   MACRO_2; // CHECK-NEXT: Expansion,File 0, [[@LINE]]:3 -> [[@LINE]]:10 = #0
36 }
37 // CHECK-NEXT: File 1, 4:17 -> 4:22 = #0
38 // CHECK-NEXT: File 2, 4:17 -> 4:22 = #0
39 
40 // CHECK-NEXT: func4
41 void func4() { // CHECK-NEXT: File 0, [[@LINE]]:14 -> [[@LINE+8]]:2 = #0
42   int i = 0;
43   while (i++ < 10) // CHECK-NEXT: File 0, [[@LINE]]:10 -> [[@LINE]]:18 = (#0 + #1)
44     if (i < 5) // CHECK: File 0, [[@LINE]]:5 -> [[@LINE+4]]:14 = #1
45                // CHECK-NEXT: File 0, [[@LINE-1]]:9 -> [[@LINE-1]]:14 = #1
46                // CHECK-NEXT: Branch,File 0, [[@LINE-2]]:9 -> [[@LINE-2]]:14 = #2, (#1 - #2)
47                // CHECK-NEXT: Gap,File 0, [[@LINE-3]]:15 -> [[@LINE+1]]:7 = #2
48       MACRO_2; // CHECK-NEXT: Expansion,File 0, [[@LINE]]:7 -> [[@LINE]]:14 = #2
49 }
50 // CHECK-NEXT: File 1, 4:17 -> 4:22 = #2
51 // CHECK-NOT: File 1
52 
53 // CHECK-NEXT: func5
54 void func5() { // CHECK-NEXT: File 0, [[@LINE]]:14 -> [[@LINE+6]]:2 = #0
55   int i = 0;
56   if (i > 5) // CHECK-NEXT: File 0, [[@LINE]]:7 -> [[@LINE]]:12 = #0
57              // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:7 -> [[@LINE-1]]:12 = #1, (#0 - #1)
58              // CHECK-NEXT: Gap,File 0, [[@LINE-2]]:13 -> [[@LINE+1]]:5 = #1
59     MACRO_3; // CHECK-NEXT: Expansion,File 0, [[@LINE]]:5 -> [[@LINE]]:12 = #1
60 }
61 // CHECK-NEXT: Expansion,File 1, 6:17 -> 6:24 = #1
62 // CHECK-NEXT: File 2, 4:17 -> 4:22 = #1
63 
64 // CHECK-NEXT: func6
65 void func6(unsigned count) { // CHECK-NEXT: File 0, [[@LINE]]:28 -> [[@LINE+6]]:2 = #0
66 begin:                       // CHECK-NEXT: File 0, [[@LINE]]:1 -> [[@LINE+5]]:2 = #1
67     if (count--)             // CHECK-NEXT: File 0, [[@LINE]]:9 -> [[@LINE]]:16 = #1
68                              // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:9 -> [[@LINE-1]]:16 = #2, (#1 - #2)
69                              // CHECK-NEXT: Gap,File 0, [[@LINE-2]]:17 -> [[@LINE+1]]:9 = #2
70         GOTO begin;          // CHECK-NEXT: File 0, [[@LINE]]:9 -> [[@LINE]]:19 = #2
71 }
72 // CHECK-NEXT: Expansion,File 0, [[@LINE-2]]:9 -> [[@LINE-2]]:13 = #2
73 // CHECK-NEXT: File 1, 7:14 -> 7:18 = #2
74 
75 // Regression test for gap region between macros.
76 // CHECK-NEXT: func7
77 int k, l;
78 #define m(e) e##e
79 void func7() { // CHECK-NEXT: File 0, [[@LINE]]:14 -> [[@LINE+6]]:2 = #0
80   int kk,ll;   // CHECK-NEXT: File 0, [[@LINE+1]]:7 -> [[@LINE+1]]:8 = #0
81   if (k)       // CHECK-NEXT: Branch,File 0, [[@LINE]]:7 -> [[@LINE]]:8 = #1
82     m(k);      // CHECK-NEXT: Gap,File 0, [[@LINE-1]]:9 -> [[@LINE]]:5 = #1
83   else         // CHECK-NEXT: Expansion,File 0, [[@LINE-1]]:5 -> [[@LINE-1]]:6 = #0
84     l = m(l);  // CHECK-NEXT: Gap,File 0, [[@LINE-2]]:7 -> [[@LINE]]:5 = (#0 - #1)
85 }              // CHECK-NEXT: File 0, [[@LINE-1]]:5 -> [[@LINE-1]]:10 = (#0 - #1)
86                // CHECK-NEXT: Expansion,File 0, [[@LINE-2]]:9 -> [[@LINE-2]]:10 = (#0 - #1)
87                // CHECK-NEXT: File 1, [[@LINE-9]]:14 -> [[@LINE-9]]:18 = #0
88                // CHECK-NEXT: File 2, [[@LINE-10]]:14 -> [[@LINE-10]]:15 = (#0 - #1)
89 
90 int main(int argc, const char *argv[]) {
91   func();
92   func2();
93   func3();
94   func4();
95 }
96