forked from OSchip/llvm-project
38 lines
1.1 KiB
C++
38 lines
1.1 KiB
C++
// RUN: %clang_analyze_cc1 %s \
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// RUN: -analyzer-checker=core \
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// RUN: -analyzer-checker=debug.ExprInspection \
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// RUN: -analyzer-config eagerly-assume=false \
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// RUN: -verify
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// In this test we check whether the solver's symbol simplification mechanism
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// is capable of re-assuming simiplified symbols.
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void clang_analyzer_eval(bool);
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void clang_analyzer_warnIfReached();
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void test_reassume_false_range(int x, int y) {
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if (x + y != 0) // x + y == 0
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return;
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if (x != 1) // x == 1
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return;
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clang_analyzer_eval(y == -1); // expected-warning{{TRUE}}
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}
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void test_reassume_true_range(int x, int y) {
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if (x + y != 1) // x + y == 1
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return;
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if (x != 1) // x == 1
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return;
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clang_analyzer_eval(y == 0); // expected-warning{{TRUE}}
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}
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void test_reassume_inclusive_range(int x, int y) {
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if (x + y < 0 || x + y > 1) // x + y: [0, 1]
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return;
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if (x != 1) // x == 1
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return;
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// y: [-1, 0]
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clang_analyzer_eval(y > 0); // expected-warning{{FALSE}}
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clang_analyzer_eval(y < -1);// expected-warning{{FALSE}}
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}
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