forked from OSchip/llvm-project
44 lines
888 B
C
44 lines
888 B
C
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// RUN: %clang_cc1 -analyze -analyzer-checker=core,unix.Malloc,debug.ExprInspection -DNO_CROSSCHECK -verify %s
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// RUN: %clang_cc1 -analyze -analyzer-checker=core,unix.Malloc,debug.ExprInspection -analyzer-config crosscheck-with-z3=true -verify %s
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// REQUIRES: z3
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int foo(int x)
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{
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int *z = 0;
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if ((x & 1) && ((x & 1) ^ 1))
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#ifdef NO_CROSSCHECK
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return *z; // expected-warning {{Dereference of null pointer (loaded from variable 'z')}}
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#else
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return *z; // no-warning
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#endif
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return 0;
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}
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void g(int d);
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void f(int *a, int *b) {
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int c = 5;
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if ((a - b) == 0)
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c = 0;
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if (a != b)
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g(3 / c); // no-warning
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}
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_Bool nondet_bool();
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void h(int d) {
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int x, y, k, z = 1;
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while (z < k) { // expected-warning {{The right operand of '<' is a garbage value}}
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z = 2 * z;
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}
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}
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void i() {
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_Bool c = nondet_bool();
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if (c) {
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h(1);
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} else {
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h(2);
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}
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}
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