25 lines
904 B
C++
25 lines
904 B
C++
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// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -analyze -analyzer-checker=core,debug.ExprInspection %s -std=c++11 -verify
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void clang_analyzer_eval(bool);
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void testAddressof(int x) {
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clang_analyzer_eval(&x == __builtin_addressof(x)); // expected-warning{{TRUE}}
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}
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void testSize() {
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struct {
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int x;
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int y;
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char z;
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} object;
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clang_analyzer_eval(__builtin_object_size(&object.y, 0) == sizeof(object) - sizeof(int)); // expected-warning{{TRUE}}
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// Clang can't actually evaluate these builtin "calls", but importantly they don't actually evaluate the argument expression either.
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int i = 0;
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char buf[10];
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clang_analyzer_eval(__builtin_object_size(&buf[i++], 0) == sizeof(buf)); // expected-warning{{FALSE}}
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clang_analyzer_eval(__builtin_object_size(&buf[++i], 0) == sizeof(buf) - 1); // expected-warning{{FALSE}}
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clang_analyzer_eval(i == 0); // expected-warning{{TRUE}}
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}
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