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Rev 338 |
/* Copyright (C) 2002 Free Software Foundation.
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/* Copyright (C) 2002 Free Software Foundation.
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Test for composite comparison always true/false optimization.
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Test for composite comparison always true/false optimization.
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Written by Roger Sayle, 7th June 2002. */
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Written by Roger Sayle, 7th June 2002. */
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extern void link_error0 ();
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extern void link_error0 ();
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extern void link_error1 ();
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extern void link_error1 ();
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void
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void
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test1 (int x, int y)
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test1 (int x, int y)
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{
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{
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if ((x==y) && (x!=y))
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if ((x==y) && (x!=y))
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link_error0();
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link_error0();
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}
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}
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void
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void
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test2 (int x, int y)
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test2 (int x, int y)
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{
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{
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if ((x<y) && (x>y))
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if ((x<y) && (x>y))
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link_error0();
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link_error0();
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}
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}
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void
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void
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test3 (int x, int y)
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test3 (int x, int y)
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{
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{
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if ((x<y) && (y<x))
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if ((x<y) && (y<x))
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link_error0();
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link_error0();
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}
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}
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void
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void
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test4 (int x, int y)
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test4 (int x, int y)
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{
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{
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if ((x==y) || (x!=y))
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if ((x==y) || (x!=y))
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{
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{
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}
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}
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else
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else
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link_error1 ();
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link_error1 ();
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}
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}
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void
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void
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test5 (int x, int y)
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test5 (int x, int y)
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{
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{
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if ((x>=y) || (x<y))
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if ((x>=y) || (x<y))
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{
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{
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}
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}
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else
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else
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link_error1 ();
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link_error1 ();
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}
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}
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void
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void
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test6 (int x, int y)
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test6 (int x, int y)
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{
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{
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if ((x<=y) || (y<x))
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if ((x<=y) || (y<x))
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{
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{
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}
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}
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else
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else
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link_error1 ();
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link_error1 ();
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}
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}
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void
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void
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all_tests (int x, int y)
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all_tests (int x, int y)
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{
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{
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test1 (x, y);
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test1 (x, y);
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test2 (x, y);
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test2 (x, y);
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test3 (x, y);
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test3 (x, y);
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test4 (x, y);
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test4 (x, y);
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test5 (x, y);
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test5 (x, y);
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test6 (x, y);
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test6 (x, y);
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}
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}
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int
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int
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main ()
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main ()
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{
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{
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all_tests (0, 0);
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all_tests (0, 0);
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all_tests (1, 2);
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all_tests (1, 2);
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all_tests (4, 3);
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all_tests (4, 3);
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return 0;
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return 0;
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}
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}
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#ifndef __OPTIMIZE__
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#ifndef __OPTIMIZE__
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void link_error0() {}
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void link_error0() {}
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void link_error1() {}
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void link_error1() {}
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#endif /* ! __OPTIMIZE__ */
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#endif /* ! __OPTIMIZE__ */
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