xref: /llvm-project/clang/test/CoverageMapping/label.cpp (revision 9caa3fbe03f43e3eec30262fbba87c1ee15c05a3)
1 // RUN: %clang_cc1 -mllvm -emptyline-comment-coverage=false -fprofile-instrument=clang -fcoverage-mapping -dump-coverage-mapping -emit-llvm-only -main-file-name label.cpp %s | FileCheck %s
2 
3 // CHECK: func
4 void func() {                // CHECK-NEXT: File 0, [[@LINE]]:13 -> {{[0-9]+}}:2 = #0
5   int i = 0;                 // CHECK-NEXT: File 0, [[@LINE+2]]:14 -> [[@LINE+2]]:20 = (#0 + #3)
6                              // CHECK-NEXT: File 0, [[@LINE+1]]:22 -> [[@LINE+1]]:25 = #3
7   for(i = 0; i < 10; ++i) {  // CHECK: File 0, [[@LINE]]:27 -> [[@LINE+11]]:4 = #1
8                              // CHECK-NEXT: File 0, [[@LINE+1]]:8 -> [[@LINE+1]]:13 = #1
9     if(i < 5) {              // CHECK: File 0, [[@LINE]]:15 -> [[@LINE+6]]:6 = #2
10       {
11         x:                   // CHECK-NEXT: File 0, [[@LINE]]:9 -> [[@LINE+4]]:6 = #3
12           int j = 1;
13       }
14       int m = 2;
15     } else
16       goto x;                // CHECK: File 0, [[@LINE]]:7 -> [[@LINE]]:13 = (#1 - #2)
17     int k = 3;               // CHECK-NEXT: File 0, [[@LINE-1]]:13 -> [[@LINE]]:5 = #3
18   }                          // CHECK-NEXT: File 0, [[@LINE-1]]:5 -> [[@LINE]]:4 = #3
19   static int j = 0;          // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+4]]:2 = ((#0 + #3) - #1)
20   ++j;
21   if(j == 1)                 // CHECK-NEXT: File 0, [[@LINE]]:6 -> [[@LINE]]:12 = ((#0 + #3) - #1)
22     goto x;                  // CHECK: File 0, [[@LINE]]:5 -> [[@LINE]]:11 = #4
23 }
24 
25                              // CHECK-NEXT: test1
26 void test1(int x) {          // CHECK-NEXT: File 0, [[@LINE]]:19 -> {{[0-9]+}}:2 = #0
27   if(x == 0)                 // CHECK-NEXT: File 0, [[@LINE]]:6 -> [[@LINE]]:12 = #0
28     goto a;                  // CHECK: File 0, [[@LINE]]:5 -> [[@LINE]]:11 = #1
29                              // CHECK-NEXT: File 0, [[@LINE-1]]:11 -> [[@LINE+1]]:3 = (#0 - #1)
30   goto b;                    // CHECK: File 0, [[@LINE]]:3 -> [[@LINE+5]]:2 = (#0 - #1)
31                              // CHECK-NEXT: Gap,File 0, [[@LINE-1]]:9 -> [[@LINE+1]]:1 = #2
32 a:                           // CHECK-NEXT: File 0, [[@LINE]]:1 -> [[@LINE+3]]:2 = #2
33 b:                           // CHECK-NEXT: File 0, [[@LINE]]:1 -> [[@LINE+2]]:2 = #3
34   x = x + 1;
35 }
36 
37                              // CHECK-NEXT: test2
38 void test2(int x) {          // CHECK-NEXT: File 0, [[@LINE]]:19 -> {{[0-9]+}}:2 = #0
39   if(x == 0)                 // CHECK-NEXT: File 0, [[@LINE]]:6 -> [[@LINE]]:12 = #0
40     goto a;                  // CHECK: File 0, [[@LINE]]:5 -> [[@LINE]]:11 = #1
41                              // CHECK: Gap,File 0, [[@LINE-1]]:12 -> [[@LINE+3]]:8 = (#0 - #1)
42                              // CHECK-NEXT: File 0, [[@LINE+2]]:8 -> [[@LINE+3]]:11 = (#0 - #1)
43                              // CHECK-NEXT: File 0, [[@LINE+1]]:11 -> [[@LINE+1]]:17 = (#0 - #1)
44   else if(x == 1)            // CHECK: File 0, [[@LINE+1]]:5 -> [[@LINE+1]]:11 = #2
45     goto b;                  // CHECK-NEXT: File 0, [[@LINE]]:11 -> [[@LINE+1]]:1 = #3
46 a:                           // CHECK-NEXT: File 0, [[@LINE]]:1 -> [[@LINE+3]]:2 = #3
47 b:                           // CHECK-NEXT: File 0, [[@LINE]]:1 -> [[@LINE+2]]:2 = #4
48   x = x + 1;
49 }
50 
51 // CHECK-NEXT: test3
52 #define a b
53 void test3() {
54   if (0)
55     goto b; // CHECK: Gap,File 0, [[@LINE]]:11 -> [[@LINE+1]]:1 = [[retnCount:#[0-9]+]]
56 a: // CHECK-NEXT: Expansion,File 0, [[@LINE]]:1 -> [[@LINE]]:2 = [[retnCount]] (Expanded file = 1)
57   return; // CHECK-NEXT: File 0, [[@LINE-1]]:2 -> [[@LINE]]:9 = [[retnCount]]
58 }
59 #undef a
60 
61                              // CHECK: main
62 int main() {                 // CHECK-NEXT: File 0, [[@LINE]]:12 -> {{[0-9]+}}:2 = #0
63   int j = 0;
64   for(int i = 0; i < 10; ++i) { // CHECK: File 0, [[@LINE]]:31 -> [[@LINE+13]]:4 = #1
65   a:                         // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+12]]:4 = #2
66     if(i < 3)                // CHECK-NEXT: File 0, [[@LINE]]:8 -> [[@LINE]]:13 = #2
67       goto e;                // CHECK: File 0, [[@LINE]]:7 -> [[@LINE]]:13 = #3
68                              // CHECK-NEXT: File 0, [[@LINE-1]]:13 -> [[@LINE+1]]:5 = (#2 - #3)
69     goto c;                  // CHECK-NEXT: File 0, [[@LINE]]:5 -> [[@LINE+8]]:4 = (#2 - #3)
70                              // CHECK-NEXT: Gap,File 0, [[@LINE-1]]:11 -> [[@LINE+1]]:3 = #4
71   b:                         // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+6]]:4 = #4
72     j = 2;
73   c:                         // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+4]]:4 = #5
74     j = 1;
75                              // CHECK-NEXT: File 0, [[@LINE+1]]:3 -> [[@LINE+2]]:4 = #6
76   e: f: ;                    // CHECK-NEXT: File 0, [[@LINE]]:6 -> [[@LINE+1]]:4 = #7
77   }
78   func();                    // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+3]]:2 = ((#0 + #7) - #1)
79   test1(0);
80   test2(2);
81 }
82