C++程序  |  29行  |  1.48 KB

// RUN: %clang_cc1 -fprofile-instrument=clang -fcoverage-mapping -dump-coverage-mapping -emit-llvm-only -main-file-name if.c %s | FileCheck %s

int main() {                    // CHECK: File 0, [[@LINE]]:12 -> {{[0-9]+}}:2 = #0
  int i = 0;
                                // CHECK-NEXT: File 0, [[@LINE+1]]:6 -> [[@LINE+1]]:12 = #0
  if(i == 0) i = 1;             // CHECK-NEXT: File 0, [[@LINE]]:14 -> [[@LINE]]:19 = #1
                                // CHECK-NEXT: File 0, [[@LINE+1]]:6 -> [[@LINE+1]]:12 = #0
  if(i == 1)
    i = 2;                      // CHECK-NEXT: File 0, [[@LINE]]:5 -> [[@LINE]]:10 = #2
                                // CHECK-NEXT: File 0, [[@LINE+1]]:6 -> [[@LINE+1]]:12 = #0
  if(i == 0) { i = 1;           // CHECK-NEXT: File 0, [[@LINE]]:14 -> [[@LINE+2]]:4 = #3
    i = 2;
  }
                                // CHECK-NEXT: File 0, [[@LINE+1]]:6 -> [[@LINE+1]]:12 = #0
  if(i != 0) {                  // CHECK-NEXT: File 0, [[@LINE]]:14 -> [[@LINE+2]]:4 = #4
    i = 1;
  } else {                      // CHECK-NEXT: File 0, [[@LINE]]:10 -> [[@LINE+2]]:4 = (#0 - #4)
    i = 3;
  }

  i = i == 0?
        i + 1 :                 // CHECK-NEXT: File 0, [[@LINE]]:9 -> [[@LINE]]:14 = #5
        i + 2;                  // CHECK-NEXT: File 0, [[@LINE]]:9 -> [[@LINE]]:14 = (#0 - #5)
                                // CHECK-NEXT: File 0, [[@LINE+1]]:14 -> [[@LINE+1]]:20 = #6
  i = i == 0?i + 12:i + 10;     // CHECK-NEXT: File 0, [[@LINE]]:21 -> [[@LINE]]:27 = (#0 - #6)

  return 0;
}