// RUN: %clang_analyze_cc1 -Wno-pointer-bool-conversion -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; } // These crashed the analyzer at some point. int between(char *x) { extern char start[]; extern char end[]; return x >= start && x < end; } int undef(void) {} // expected-warning{{control reaches end of non-void function}} void useUndef(void) { 0 || undef(); } void testPointer(void) { (void) (1 && testPointer && 0); } |