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annotate gcc/testsuite/gcc.dg/analyzer/conditionals-3.c @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
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145
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1 /* { dg-additional-options "-fno-analyzer-state-merge" } */
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2
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3 #include "analyzer-decls.h"
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4
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5 static void only_called_when_flag_a_true (int i)
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6 {
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7 __analyzer_eval (i == 42); /* { dg-warning "TRUE" } */
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8 }
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9
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10 static void only_called_when_flag_b_true (int i)
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11 {
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12 __analyzer_eval (i == 17); /* { dg-warning "TRUE" } */
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13 }
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14
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15 int test_1 (int flag_a, int flag_b)
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16 {
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17 int i = 17;
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18
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19 __analyzer_eval (flag_a); /* { dg-warning "UNKNOWN" } */
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20 __analyzer_eval (flag_b); /* { dg-warning "UNKNOWN" } */
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21
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22 if (flag_a)
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23 {
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24 __analyzer_eval (flag_a); /* { dg-warning "TRUE" } */
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25 __analyzer_eval (flag_b); /* { dg-warning "UNKNOWN" } */
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26 i = 42;
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27 }
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28
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29 __analyzer_eval (flag_b); /* { dg-warning "UNKNOWN" } */
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30
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31 if (flag_a)
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32 {
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33 __analyzer_eval (flag_a); /* { dg-warning "TRUE" } */
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34 __analyzer_eval (flag_b); /* { dg-warning "UNKNOWN" } */
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35 __analyzer_eval (i == 42); /* { dg-warning "TRUE" } */
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36 __analyzer_eval (i == 17); /* { dg-warning "FALSE" } */
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37 only_called_when_flag_a_true (i);
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38 }
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39 else
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40 {
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41 __analyzer_eval (flag_a); /* { dg-warning "FALSE" } */
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42 __analyzer_eval (flag_b); /* { dg-warning "UNKNOWN" } */
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43 __analyzer_eval (i == 42); /* { dg-warning "FALSE" } */
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44 __analyzer_eval (i == 17); /* { dg-warning "TRUE" } */
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45 only_called_when_flag_b_true (i);
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46 }
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47 }