llvm/clang/test/CoverageMapping/moremacros.c

// RUN: %clang_cc1 -mllvm -emptyline-comment-coverage=false -fprofile-instrument=clang -fcoverage-mapping -dump-coverage-mapping -emit-llvm-only -main-file-name macro-expansion.c %s | FileCheck %s

#define LBRAC {
#define RBRAC }

// CHECK: main:
// CHECK-NEXT: File 0, [[@LINE+1]]:40 -> {{[0-9]+}}:2 = #0
int main(int argc, const char *argv[]) {
  // CHECK-NEXT: File 0, [[@LINE+1]]:7 -> [[@LINE+1]]:12 = #0
  if (!argc) {} // CHECK: File 0, [[@LINE]]:14 -> [[@LINE]]:16 = #1

  // CHECK-NEXT: File 0, [[@LINE+5]]:7 -> [[@LINE+5]]:12 = #0
  // CHECK-NEXT: Branch,File 0, [[@LINE+4]]:7 -> [[@LINE+4]]:12 = #2, (#0 - #2)
  // CHECK-NEXT: Gap,File 0, [[@LINE+3]]:13 -> [[@LINE+3]]:14 = #2
  // CHECK-NEXT: Expansion,File 0, [[@LINE+2]]:14 -> [[@LINE+2]]:19 = #2
  // CHECK-NEXT: File 0, [[@LINE+1]]:19 -> [[@LINE+4]]:8 = #2
  if (!argc) LBRAC
    return 0;
  // CHECK-NEXT: Expansion,File 0, [[@LINE+1]]:3 -> [[@LINE+1]]:8 = #2
  RBRAC // CHECK-NEXT: [[@LINE]]:8 -> [[@LINE+8]]:3 = (#0 - #2)

  // CHECK-NEXT: File 0, [[@LINE+6]]:3 -> [[@LINE+17]]:2 = (#0 - #2)
  // CHECK-NEXT: File 0, [[@LINE+5]]:7 -> [[@LINE+5]]:12 = (#0 - #2)
  // CHECK-NEXT: Branch,File 0, [[@LINE+4]]:7 -> [[@LINE+4]]:12 = #3, ((#0 - #2) - #3)
  // CHECK-NEXT: Gap,File 0, [[@LINE+3]]:13 -> [[@LINE+3]]:14 = #3
  // CHECK-NEXT: Expansion,File 0, [[@LINE+2]]:14 -> [[@LINE+2]]:19 = #3
  // CHECK-NEXT: File 0, [[@LINE+1]]:19 -> [[@LINE+3]]:4 = #3
  if (!argc) LBRAC
    return 0;
  } // CHECK-NEXT: [[@LINE]]:4 -> [[@LINE+5]]:3 = ((#0 - #2) - #3)

  // CHECK-NEXT: File 0, [[@LINE+3]]:3 -> [[@LINE+7]]:2 = ((#0 - #2) - #3)
  // CHECK-NEXT: File 0, [[@LINE+2]]:7 -> [[@LINE+2]]:12 = ((#0 - #2) - #3)
  // CHECK: File 0, [[@LINE+1]]:14 -> [[@LINE+4]]:8 = #4
  if (!argc) {
    return 0;
  // CHECK-NEXT: Expansion,File 0, [[@LINE+1]]:3 -> [[@LINE+1]]:8 = #4
  RBRAC
}

// CHECK-NEXT: File 1, 3:15 -> 3:16 = #2
// CHECK-NEXT: File 2, 4:15 -> 4:16 = #2
// CHECK-NEXT: File 3, 3:15 -> 3:16 = #3
// CHECK-NEXT: File 4, 4:15 -> 4:16 = #4