llvm-project/clang/test/CoverageMapping/if.cpp

// RUN: %clang_cc1 -fprofile-instrument=clang -fcoverage-mapping -dump-coverage-mapping -emit-llvm-only -std=c++1z -triple %itanium_abi_triple -main-file-name if.cpp %s | FileCheck %s

int nop() { return 0; }

// CHECK-LABEL: _Z3foov:
void foo() {                    // CHECK-NEXT: [[@LINE]]:12 -> [[@LINE+5]]:2 = #0
  if (int j = true ? nop()      // CHECK-NEXT: [[@LINE]]:22 -> [[@LINE]]:27 = #2
                   : nop();     // CHECK-NEXT: [[@LINE]]:22 -> [[@LINE]]:27 = (#0 - #2)
      j)                        // CHECK-NEXT: [[@LINE]]:7 -> [[@LINE]]:8 = #0
    ++j;                        // CHECK-NEXT: [[@LINE]]:5 -> [[@LINE]]:8 = #1
}

// CHECK-LABEL: main:
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;
}