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      1 // RUN: %clang_cc1 -fprofile-instrument=clang -fcoverage-mapping -dump-coverage-mapping -emit-llvm-only -main-file-name switch.c %s | FileCheck %s
      2                     // CHECK: foo
      3 void foo(int i) {   // CHECK-NEXT: File 0, [[@LINE]]:17 -> [[@LINE+8]]:2 = #0
      4   switch(i) {       // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+5]]:4 = #1
      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;
     11 }
     12 
     13 void nop() {}
     14 
     15                     // CHECK: bar
     16 void bar(int i) {   // CHECK-NEXT: File 0, [[@LINE]]:17 -> [[@LINE+20]]:2 = #0
     17   switch (i)        // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:6 = #1
     18     ;               // CHECK-NEXT: File 0, [[@LINE]]:5 -> [[@LINE]]:6 = 0
     19 
     20   switch (i) {      // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:4 = #2
     21   }
     22 
     23   switch (i)        // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:10 = #3
     24     nop();          // CHECK-NEXT: File 0, [[@LINE]]:5 -> [[@LINE]]:10 = 0
     25 
     26   switch (i)        // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+2]]:10 = #4
     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+4]]:4 = #6
     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();
     36 }
     37 
     38                     // CHECK-NEXT: main
     39 int main() {        // CHECK-NEXT: File 0, [[@LINE]]:12 -> [[@LINE+34]]:2 = #0
     40   int i = 0;
     41   switch(i) {       // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+9]]:4 = #1
     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+8]]:4 = #5
     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+7]]:4 = #9
     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);
     71   bar(1);
     72   return 0;
     73 }
     74