33 lines
520 B
C
33 lines
520 B
C
/* { dg-do compile } */
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/* { dg-options "-O2 -fdump-tree-original" } */
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/* x | ~(x | y) -> x | ~y */
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int fn1 (int x, int y)
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{
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return x | ~(x | y);
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}
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int fn2 (int x, int y)
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{
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return ~(x | y) | x;
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}
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int fn3 (int x, int y)
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{
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return x | ~(y | x);
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}
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int fn4 (int x, int y)
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{
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return ~(y | x) | x;
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}
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int fn5 (int z)
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{
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return z | ~(z | 3);
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}
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int fn6 (int z)
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{
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return ~(z | 3) | z;
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}
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/* { dg-final { scan-tree-dump-times "~y \\| x" 4 "original" } } */
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/* { dg-final { scan-tree-dump-times "z \\| -4" 2 "original" } } */
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