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#include <string.h>
#include "analyzer-decls.h"
/* Test GT_EXPR comparison of symbolic values. */
void test1 (size_t size)
{
size_t a = 4 * size + 1;
size_t b = 4 * size;
__analyzer_eval (a > b); /* { dg-warning "TRUE" } */
}
void test2 (size_t size, size_t offset)
{
size_t a = size + offset;
size_t b = size;
__analyzer_eval (a > b); /* { dg-warning "TRUE" } */
}
void test3 (size_t size, size_t offset)
{
size_t a = size * offset;
size_t b = size;
__analyzer_eval (a > b); /* { dg-warning "TRUE" } */
}
void test4 (size_t size)
{
size_t op = -1;
size_t a = size + op;
size_t b = size;
__analyzer_eval (a > b); /* { dg-warning "UNKNOWN" } */
}
void test5 (size_t size)
{
size_t a = size - 1;
size_t b = size;
__analyzer_eval (a > b); /* { dg-warning "UNKNOWN" } */
}
void test6 (size_t size, int offset)
{
/* OFFSET is a symbolic integer, thus could be negative. */
size_t a = size + offset;
size_t b = size;
__analyzer_eval (a > b); /* { dg-warning "UNKNOWN" } */
}
void test7 (size_t size, size_t mul)
{
size_t a = mul * size + 1;
size_t b = mul * size;
__analyzer_eval (a > b); /* { dg-warning "TRUE" } */
}
void test8 (size_t size)
{
size_t a = size - 5;
size_t b = size - 1;
__analyzer_eval (a > b); /* { dg-warning "UNKNOWN" } */
}
void test9 (size_t size)
{
size_t a = size + 1;
size_t b = size + 2;
__analyzer_eval (a > b); /* { dg-warning "UNKNOWN" } */
}
void test10 (size_t size)
{
size_t a = size + 2;
size_t b = size + 1;
__analyzer_eval (a > b); /* { dg-warning "TRUE" } */
}
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