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/* Copyright (C) 2002 Free Software Foundation.
Test for composite comparison always true/false optimization.
Written by Roger Sayle, 7th June 2002. */
extern void link_error0 ();
extern void link_error1 ();
void
test1 (int x, int y)
{
if ((x==y) && (x!=y))
link_error0();
}
void
test2 (int x, int y)
{
if ((x<y) && (x>y))
link_error0();
}
void
test3 (int x, int y)
{
if ((x<y) && (y<x))
link_error0();
}
void
test4 (int x, int y)
{
if ((x==y) || (x!=y))
{
}
else
link_error1 ();
}
void
test5 (int x, int y)
{
if ((x>=y) || (x<y))
{
}
else
link_error1 ();
}
void
test6 (int x, int y)
{
if ((x<=y) || (y<x))
{
}
else
link_error1 ();
}
void
all_tests (int x, int y)
{
test1 (x, y);
test2 (x, y);
test3 (x, y);
test4 (x, y);
test5 (x, y);
test6 (x, y);
}
int
main ()
{
all_tests (0, 0);
all_tests (1, 2);
all_tests (4, 3);
return 0;
}
#ifndef __OPTIMIZE__
void link_error0() {}
void link_error1() {}
#endif /* ! __OPTIMIZE__ */
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