1 // RUN: %clang_cc1 -Wno-pointer-bool-conversion -analyze -analyzer-checker=core,debug.ExprInspection -verify %s 2 3 void clang_analyzer_eval(int); 4 5 void testAnd(int i, int *p) { 6 int *nullP = 0; 7 int *knownP = &i; 8 clang_analyzer_eval((knownP && knownP) == 1); // expected-warning{{TRUE}} 9 clang_analyzer_eval((knownP && nullP) == 0); // expected-warning{{TRUE}} 10 clang_analyzer_eval((knownP && p) == 1); // expected-warning{{UNKNOWN}} 11 } 12 13 void testOr(int i, int *p) { 14 int *nullP = 0; 15 int *knownP = &i; 16 clang_analyzer_eval((nullP || knownP) == 1); // expected-warning{{TRUE}} 17 clang_analyzer_eval((nullP || nullP) == 0); // expected-warning{{TRUE}} 18 clang_analyzer_eval((nullP || p) == 1); // expected-warning{{UNKNOWN}} 19 } 20 21 22 // PR13461 23 int testTypeIsInt(int i, void *p) { 24 if (i | (p && p)) 25 return 1; 26 return 0; 27 } 28 29 // These crashed the analyzer at some point. 30 int between(char *x) { 31 extern char start[]; 32 extern char end[]; 33 return x >= start && x < end; 34 } 35 36 int undef(void) {} // expected-warning{{control reaches end of non-void function}} 37 void useUndef(void) { 0 || undef(); } 38 39 void testPointer(void) { (void) (1 && testPointer && 0); } 40
