clang/test/CoverageMapping/return.c

   1 // RUN: %clang_cc1 -mllvm -emptyline-comment-coverage=false -fprofile-instrument=clang -fcoverage-mapping -dump-coverage-mapping -emit-llvm-only -main-file-name return.c %s | FileCheck %s
   2
   3 // CHECK: func
   4 void func(void) {               // CHECK: File 0, [[@LINE]]:17 -> [[@LINE+3]]:2 = #0
   5   return;                       // CHECK-NEXT: Gap,File 0, [[@LINE]]:10 -> [[@LINE+1]]:3 = 0
   6   int i = 0;                    // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:2 = 0
   7 }
   8
   9                                 // CHECK-NEXT: func2
  10 void func2(void) {              // CHECK-NEXT: File 0, [[@LINE]]:18 -> {{[0-9]+}}:2 = #0
  11                                 // CHECK-NEXT: File 0, [[@LINE+3]]:18 -> [[@LINE+3]]:24 = ((#0 + #1) - #2)
  12                                 // CHECK-NEXT: Branch,File 0, [[@LINE+2]]:18 -> [[@LINE+2]]:24 = #1, (#0 - #2)
  13                                 // CHECK-NEXT: File 0, [[@LINE+1]]:26 -> [[@LINE+1]]:29 = (#1 - #2)
  14   for(int i = 0; i < 10; ++i) { // CHECK: File 0, [[@LINE]]:31 -> {{[0-9]+}}:4 = #1
  15                                 // CHECK-NEXT: File 0, [[@LINE+1]]:8 -> [[@LINE+1]]:13 = #1
  16     if(i > 2) {                 // CHECK: File 0, [[@LINE]]:15 -> [[@LINE+2]]:6 = #2
  17       return;                   // CHECK-NEXT: Gap,File 0, [[@LINE+1]]:6 -> [[@LINE+3]]:5 = (#1 - #2)
  18     }                           // CHECK-NEXT: File 0, [[@LINE+2]]:5 -> {{[0-9]+}}:4 = (#1 - #2)
  19                                 // CHECK-NEXT: File 0, [[@LINE+1]]:8 -> [[@LINE+1]]:14 = (#1 - #2)
  20     if(i == 3) {                // CHECK: File 0, [[@LINE]]:16 -> [[@LINE+2]]:6 = #3
  21       int j = 1;
  22     } else {                    // CHECK: File 0, [[@LINE]]:12 -> [[@LINE+2]]:6 = ((#1 - #2) - #3)
  23       int j = 2;
  24     }
  25   }
  26 }
  27
  28                                // CHECK-NEXT: func3
  29 void func3(int x) {            // CHECK-NEXT: File 0, [[@LINE]]:19 -> {{[0-9]+}}:2 = #0
  30                                // CHECK-NEXT: File 0, [[@LINE+1]]:6 -> [[@LINE+1]]:11 = #0
  31   if(x > 5) {                  // CHECK: File 0, [[@LINE]]:13 -> [[@LINE+7]]:4 = #1
  32     while(x >= 9) {            // CHECK-NEXT: File 0, [[@LINE]]:11 -> [[@LINE]]:17 = #1
  33       return;                  // CHECK: File 0, [[@LINE-1]]:19 -> [[@LINE+3]]:6 = #2
  34                                // CHECK-NEXT: Gap,File 0, [[@LINE-1]]:14 -> [[@LINE+1]]:7 = 0
  35       --x;                     // CHECK-NEXT: File 0, [[@LINE]]:7 -> [[@LINE+1]]:6 = 0
  36     }                          // CHECK-NEXT: Gap,File 0, [[@LINE]]:6 -> [[@LINE+1]]:5 = (#1 - #2)
  37     int i = 0;                 // CHECK-NEXT: File 0, [[@LINE]]:5 -> [[@LINE+1]]:4 = (#1 - #2)
  38   }                            // CHECK-NEXT: Gap,File 0, [[@LINE]]:4 -> [[@LINE+1]]:3 = (#0 - #2)
  39   int j = 0;                   // CHECK-NEXT: File 0, [[@LINE]]:3 -> [[@LINE+1]]:2 = (#0 - #2)
  40 }
  41
  42 int main(int argc, const char *argv[]) {
  43   func();
  44   func2();
  45   func3(10);
  46 }