logical-ops.c   [plain text]

// RUN: %clang_cc1 -analyze -analyzer-checker=core,debug.ExprInspection -verify %s

void clang_analyzer_eval(int);

void testAnd(int i, int *p) {
  int *nullP = 0;
  int *knownP = &i;
  clang_analyzer_eval((knownP && knownP) == 1); // expected-warning{{TRUE}}
  clang_analyzer_eval((knownP && nullP) == 0); // expected-warning{{TRUE}}
  clang_analyzer_eval((knownP && p) == 1); // expected-warning{{UNKNOWN}}
}

void testOr(int i, int *p) {
  int *nullP = 0;
  int *knownP = &i;
  clang_analyzer_eval((nullP || knownP) == 1); // expected-warning{{TRUE}}
  clang_analyzer_eval((nullP || nullP) == 0); // expected-warning{{TRUE}}
  clang_analyzer_eval((nullP || p) == 1); // expected-warning{{UNKNOWN}}
}


// PR13461
int testTypeIsInt(int i, void *p) {
  if (i | (p && p))
    return 1;
  return 0;
}