test/CoverageMapping/single-byte-counters.cpp

// RUN: %clang_cc1 -mllvm -emptyline-comment-coverage=false -mllvm -enable-single-byte-coverage=true -fprofile-instrument=clang -fcoverage-mapping -dump-coverage-mapping -emit-llvm-only -main-file-name single-byte-counters.cpp %s | FileCheck %s

// CHECK: testIf
int testIf(int x) { // CHECK-NEXT: File 0, [[@LINE]]:19 -> [[@LINE+10]]:2 = #0
                    // CHECK-NEXT: File 0, [[@LINE+5]]:7 -> [[@LINE+5]]:13 = #0
                    // CHECK-NEXT: Gap,File 0, [[@LINE+4]]:14 -> [[@LINE+5]]:5 = #1
                    // CHECK-NEXT: File 0, [[@LINE+4]]:5 -> [[@LINE+4]]:16 = #1
                    // CHECK-NEXT: File 0, [[@LINE+5]]:3 -> [[@LINE+5]]:16 = #2
  int result = 0;
  if (x == 0)
    result = -1;

  return result;
}

// CHECK-NEXT: testIfElse
int testIfElse(int x) { // CHECK-NEXT: File 0, [[@LINE]]:23 -> [[@LINE+13]]:2 = #0
                        // CHECK-NEXT: File 0, [[@LINE+7]]:7 -> [[@LINE+7]]:12 = #0
                        // CHECK-NEXT: Gap,File 0, [[@LINE+6]]:13 -> [[@LINE+7]]:5 = #1
                        // CHECK-NEXT: File 0, [[@LINE+6]]:5 -> [[@LINE+6]]:15 = #1
                        // CHECK-NEXT: Gap,File 0, [[@LINE+5]]:16 -> [[@LINE+7]]:5 = #2
                        // CHECK-NEXT: File 0, [[@LINE+6]]:5 -> [[@LINE+6]]:19 = #2
                        // CHECK-NEXT: File 0, [[@LINE+6]]:3 -> [[@LINE+6]]:16 = #3
  int result = 0;
  if (x < 0)
    result = 0;
  else
    result = x * x;
  return result;
}

// CHECK-NEXT: testIfElseReturn
int testIfElseReturn(int x) { // CHECK-NEXT: File 0, [[@LINE]]:29 -> [[@LINE+14]]:2 = #0
                              // CHECK-NEXT: File 0, [[@LINE+8]]:7 -> [[@LINE+8]]:12 = #0
                              // CHECK-NEXT: Gap,File 0, [[@LINE+7]]:13 -> [[@LINE+8]]:5 = #1
                              // CHECK-NEXT: File 0, [[@LINE+7]]:5 -> [[@LINE+7]]:19 = #1
                              // CHECK-NEXT: Gap,File 0, [[@LINE+6]]:20 -> [[@LINE+8]]:5 = #2
                              // CHECK-NEXT: File 0, [[@LINE+7]]:5 -> [[@LINE+7]]:13 = #2
                              // CHECK-NEXT: Gap,File 0, [[@LINE+6]]:14 -> [[@LINE+7]]:3 = #3
                              // CHECK-NEXT: File 0, [[@LINE+6]]:3 -> [[@LINE+6]]:16 = #3
  int result = 0;
  if (x > 0)
    result = x * x;
  else
    return 0;
  return result;
}

// CHECK-NEXT: testSwitch
int testSwitch(int x) { // CHECK-NEXT: File 0, [[@LINE]]:23 -> [[@LINE+22]]:2 = #0
                        // CHECK-NEXT: Gap,File 0, [[@LINE+9]]:14 -> [[@LINE+17]]:15 = 0
                        // CHECK-NEXT: File 0, [[@LINE+9]]:3 -> [[@LINE+11]]:10 = #2
                        // CHECK-NEXT: Gap,File 0, [[@LINE+10]]:11 -> [[@LINE+11]]:3 = 0
                        // CHECK-NEXT: File 0, [[@LINE+10]]:3 -> [[@LINE+12]]:10 = #3
                        // CHECK-NEXT: Gap,File 0, [[@LINE+11]]:11 -> [[@LINE+12]]:3 = 0
                        // CHECK-NEXT: File 0, [[@LINE+11]]:3 -> [[@LINE+12]]:15 = #4
                        // CHECK-NEXT: Gap,File 0, [[@LINE+12]]:4 -> [[@LINE+14]]:3 = #1
                        // CHECK-NEXT: File 0, [[@LINE+13]]:3 -> [[@LINE+13]]:16 = #1
  int result;
  switch (x) {
  case 1:
    result = 1;
    break;
  case 2:
    result = 2;
    break;
  default:
    result = 0;
  }

  return result;
}

// CHECK-NEXT: testWhile
int testWhile() { // CHECK-NEXT: File 0, [[@LINE]]:17 -> [[@LINE+13]]:2 = #0
                  // CHECK-NEXT: File 0, [[@LINE+6]]:10 -> [[@LINE+6]]:16 = #1
                  // CHECK-NEXT: Gap,File 0, [[@LINE+5]]:17 -> [[@LINE+5]]:18 = #2
                  // CHECK-NEXT: File 0, [[@LINE+4]]:18 -> [[@LINE+7]]:4 = #2
                  // CHECK-NEXT: File 0, [[@LINE+8]]:3 -> [[@LINE+8]]:13 = #3
  int i = 0;
  int sum = 0;
  while (i < 10) {
    sum += i;
    i++;
  }

  return sum;
}

// CHECK-NEXT: testContinue
int testContinue() { // CHECK-NEXT: File 0, [[@LINE]]:20 -> [[@LINE+21]]:2 = #0
                     // CHECK-NEXT: File 0, [[@LINE+12]]:10 -> [[@LINE+12]]:16 = #1
                     // CHECK-NEXT: Gap,File 0, [[@LINE+11]]:17 -> [[@LINE+11]]:18 = #2
                     // CHECK-NEXT: File 0, [[@LINE+10]]:18 -> [[@LINE+15]]:4 = #2
                     // CHECK-NEXT: File 0, [[@LINE+10]]:9 -> [[@LINE+10]]:15 = #2
                     // CHECK-NEXT: Gap,File 0, [[@LINE+9]]:16 -> [[@LINE+10]]:7 = #4
                     // CHECK-NEXT: File 0, [[@LINE+9]]:7 -> [[@LINE+9]]:15 = #4
                     // CHECK-NEXT: Gap,File 0, [[@LINE+8]]:16 -> [[@LINE+9]]:5 = #5
                     // CHECK-NEXT: File 0, [[@LINE+8]]:5 -> [[@LINE+10]]:4 = #5
                     // CHECK-NEXT: Gap,File 0, [[@LINE+9]]:4 -> [[@LINE+11]]:3 = #3
                     // CHECK-NEXT: File 0, [[@LINE+10]]:3 -> [[@LINE+10]]:13 = #3
  int i = 0;
  int sum = 0;
  while (i < 10) {
    if (i == 4)
      continue;
    sum += i;
    i++;
  }

  return sum;
}

// CHECK-NEXT: testFor
int testFor() { // CHECK-NEXT: File 0, [[@LINE]]:15 -> [[@LINE+13]]:2 = #0
                // CHECK-NEXT: File 0, [[@LINE+7]]:19 -> [[@LINE+7]]:25 = #1
                // CHECK-NEXT: File 0, [[@LINE+6]]:27 -> [[@LINE+6]]:30 = #2
                // CHECK-NEXT: Gap,File 0, [[@LINE+5]]:31 -> [[@LINE+5]]:32 = #3
                // CHECK-NEXT: File 0, [[@LINE+4]]:32 -> [[@LINE+6]]:4 = #3
                // CHECK-NEXT: File 0, [[@LINE+7]]:3 -> [[@LINE+7]]:13 = #4
  int i;
  int sum = 0;
  for (int i = 0; i < 10; i++) {
    sum += i;
  }

  return sum;
}

// CHECK-NEXT: testForRange
int testForRange() { // CHECK-NEXT: File 0, [[@LINE]]:20 -> [[@LINE+12]]:2 = #0
                     // CHECK-NEXT: Gap,File 0, [[@LINE+6]]:28 -> [[@LINE+6]]:29 = #1
                     // CHECK-NEXT: File 0, [[@LINE+5]]:29 -> [[@LINE+7]]:4 = #1
                     // CHECK-NEXT: File 0, [[@LINE+8]]:3 -> [[@LINE+8]]:13 = #2
  int sum = 0;
  int array[] = {1, 2, 3, 4, 5};

  for (int element : array) {
      sum += element;
  }

  return sum;
}

// CHECK-NEXT: testDo
int testDo() { // CHECK-NEXT: File 0, [[@LINE]]:14 -> [[@LINE+12]]:2 = #0
               // CHECK-NEXT: File 0, [[@LINE+5]]:6 -> [[@LINE+8]]:4 = #1
               // CHECK-NEXT: File 0, [[@LINE+7]]:12 -> [[@LINE+7]]:17 = #2
               // CHECK-NEXT: File 0, [[@LINE+8]]:3 -> [[@LINE+8]]:13 = #3
  int i = 0;
  int sum = 0;
  do {
    sum += i;
    i++;
  } while (i < 5);

  return sum;
}

// CHECK-NEXT: testConditional
int testConditional(int x) { // CHECK-NEXT: File 0, [[@LINE]]:28 -> [[@LINE+8]]:2 = #0
                             // CHECK-NEXT: File 0, [[@LINE+5]]:15 -> [[@LINE+5]]:22 = #0
                             // CHECK-NEXT: Gap,File 0, [[@LINE+4]]:24 -> [[@LINE+4]]:25 = #2
                             // CHECK-NEXT: File 0, [[@LINE+3]]:25 -> [[@LINE+3]]:26 = #2
                             // CHECK-NEXT: File 0, [[@LINE+2]]:29 -> [[@LINE+2]]:31 = #3
                             // CHECK-NEXT: File 0, [[@LINE+2]]:2 -> [[@LINE+2]]:15 = #1
 int result = (x > 0) ? 1 : -1;
 return result;
}