reference, declaration → definition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced

    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51

// RUN: %clang_analyze_cc1 -std=gnu++11 -analyzer-checker=alpha.clone.CloneChecker -analyzer-config alpha.clone.CloneChecker:MinimumCloneComplexity=10 -verify %s

// expected-no-diagnostics


bool foo1(int x) {
  start:
  if (x != 3) {
    ++x;
    void *ptr = &&start;
    goto start;
  }
  end:
  return false;
}

// Targeting a different label with the address-of-label operator.
bool foo2(int x) {
  start:
  if (x != 3) {
    ++x;
    void *ptr = &&end;
    goto start;
  }
  end:
  return false;
}

// Different target label in goto
bool foo3(int x) {
  start:
  if (x != 3) {
    ++x;
    void *ptr = &&start;
    goto end;
  }
  end:
  return false;
}

// FIXME: Can't detect same algorithm as in foo1 but with different label names.
bool foo4(int x) {
  foo:
  if (x != 3) {
    ++x;
    void *ptr = &&foo;
    goto foo;
  }
  end:
  return false;
}