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// RUN: %clang_analyze_cc1 -w -analyzer-checker=core,debug.ExprInspection\
// RUN: -analyzer-config eagerly-assume=false -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) {}
void useUndef(void) { 0 || undef(); }
void testPointer(void) { (void) (1 && testPointer && 0); }
char *global_ap, *global_bp, *global_cp;
void ambiguous_backtrack_1() {
for (;;) {
(global_bp - global_ap ? global_cp[global_bp - global_ap] : 0) || 1;
global_bp++;
}
}
int global_a, global_b;
void ambiguous_backtrack_2(int x) {
global_a = x >= 2 ? 1 : x;
global_b == x && 9 || 2;
}
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