1 // RUN: %clang_cc1 -fprofile-instr-generate -fcoverage-mapping -dump-coverage-mapping -emit-llvm-only -main-file-name switch.c %s | FileCheck %s
2 // CHECK: foo
foo(int i)3 void foo(int i) { // CHECK-NEXT: File 0, [[@LINE]]:17 -> [[@LINE+8]]:2 = #0
4 switch(i) {
5 case 1: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+3]]:10 = #2
6 return;
7 case 2: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:10 = #3
8 break;
9 }
10 int x = 0; // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:2 = #1
11 }
12
nop()13 void nop() {}
14
15 // CHECK: bar
bar(int i)16 void bar(int i) { // CHECK-NEXT: File 0, [[@LINE]]:17 -> [[@LINE+20]]:2 = #0
17 switch (i)
18 ; // CHECK-NEXT: File 0, [[@LINE]]:5 -> [[@LINE]]:6 = 0
19
20 switch (i) { // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+16]]:2 = #1
21 }
22
23 switch (i) // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+13]]:2 = #2
24 nop(); // CHECK-NEXT: File 0, [[@LINE]]:5 -> [[@LINE]]:10 = 0
25
26 switch (i) // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+10]]:2 = #3
27 case 1: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:10 = #5
28 nop();
29
30 switch (i) { // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+6]]:2 = #4
31 nop(); // CHECK-NEXT: File 0, [[@LINE]]:5 -> [[@LINE+2]]:10 = 0
32 case 1: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:10 = #7
33 nop();
34 }
35 nop(); // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:2 = #6
36 }
37
38 // CHECK-NEXT: main
main()39 int main() { // CHECK-NEXT: File 0, [[@LINE]]:12 -> [[@LINE+34]]:2 = #0
40 int i = 0;
41 switch(i) {
42 case 0: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+7]]:10 = #2
43 i = 1;
44 break;
45 case 1: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+2]]:10 = #3
46 i = 2;
47 break;
48 default: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:10 = #4
49 break;
50 }
51 switch(i) { // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+22]]:2 = #1
52 case 0: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+6]]:10 = #6
53 i = 1;
54 break;
55 case 1: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+3]]:10 = #7
56 i = 2;
57 default: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:10 = (#7 + #8)
58 break;
59 }
60
61 switch(i) { // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+12]]:2 = #5
62 case 1: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+5]]:11 = #10
63 case 2: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+4]]:11 = (#10 + #11)
64 i = 11;
65 case 3: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+2]]:11 = ((#10 + #11) + #12)
66 case 4: // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:11 = (((#10 + #11) + #12) + #13)
67 i = 99;
68 }
69
70 foo(1); // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+2]]:11 = #9
71 bar(1);
72 return 0;
73 }
74