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// RUN: %clang_analyze_cc1 -verify %s \
// RUN: -Wno-unreachable-code -ffreestanding \
// RUN: -analyzer-checker=core \
// RUN: -analyzer-checker=debug.ExprInspection
#include <stdint.h>
int clang_analyzer_eval(int);
void f1(int * p) {
// This branch should be infeasible
// because __imag__ p is 0.
if (!p && __imag__ (intptr_t) p)
*p = 1; // no-warning
// If p != 0 then this branch is feasible; otherwise it is not.
if (__real__ (intptr_t) p)
*p = 1; // no-warning
*p = 2; // expected-warning{{Dereference of null pointer}}
}
void complexFloat(__complex__ float f) {
clang_analyzer_eval(__real__(f) == 1); // expected-warning{{UNKNOWN}}
clang_analyzer_eval(__imag__(f) == 1); // expected-warning{{UNKNOWN}}
__real__(f) = 1;
__imag__(f) = 1;
clang_analyzer_eval(__real__(f) == 1); // expected-warning{{UNKNOWN}}
clang_analyzer_eval(__imag__(f) == 1); // expected-warning{{UNKNOWN}}
}
void complexInt(__complex__ int f) {
clang_analyzer_eval(__real__(f) == 1); // expected-warning{{UNKNOWN}}
clang_analyzer_eval(__imag__(f) == 1); // expected-warning{{UNKNOWN}}
__real__(f) = 1;
__imag__(f) = 1;
clang_analyzer_eval(__real__(f) == 1); // expected-warning{{UNKNOWN}}
clang_analyzer_eval(__imag__(f) == 1); // expected-warning{{UNKNOWN}}
}
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