59 lines
1.4 KiB
C++
59 lines
1.4 KiB
C++
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// RUN: %clang_analyze_cc1 -std=c++11 -analyzer-checker=alpha.clone.CloneChecker -analyzer-config alpha.clone.CloneChecker:MinimumCloneComplexity=10 -verify %s
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// This tests if we search for clones in functions.
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void log();
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int max(int a, int b) { // expected-warning{{Duplicate code detected}}
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log();
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if (a > b)
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return a;
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return b;
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}
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int maxClone(int x, int y) { // expected-note{{Similar code here}}
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log();
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if (x > y)
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return x;
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return y;
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}
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// Functions below are not clones and should not be reported.
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// The next two functions test that statement classes are still respected when
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// checking for clones in expressions. This will show that the statement
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// specific data of all base classes is collected, and not just the data of the
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// first base class.
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int testBaseClass(int a, int b) { // no-warning
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log();
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if (a > b)
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return true ? a : b;
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return b;
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}
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int testBaseClass2(int a, int b) { // no-warning
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log();
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if (a > b)
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return __builtin_choose_expr(true, a, b);
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return b;
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}
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// No clone because of the different comparison operator.
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int min1(int a, int b) { // no-warning
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log();
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if (a < b)
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return a;
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return b;
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}
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// No clone because of the different pattern in which the variables are used.
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int min2(int a, int b) { // no-warning
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log();
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if (a > b)
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return b;
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return a;
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}
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int foo(int a, int b) { // no-warning
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return a + b;
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}
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