31 lines
664 B
C
31 lines
664 B
C
/* { dg-do compile } */
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/* { dg-options "-O2 -fdump-tree-ifcombine" } */
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#include <limits.h>
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_Bool or1(unsigned x, unsigned y)
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{
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/* x > y || x != 0 --> x != 0 */
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return x > y || x != 0;
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}
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_Bool or2(unsigned x, unsigned y)
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{
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/* x < y || x != UINT_MAX --> x != UINT_MAX */
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return x < y || x != UINT_MAX;
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}
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_Bool or3(signed x, signed y)
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{
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/* x > y || x != INT_MIN --> x != INT_MIN */
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return x > y || x != INT_MIN;
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}
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_Bool or4(signed x, signed y)
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{
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/* x < y || x != INT_MAX --> x != INT_MAX */
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return x < y || x != INT_MAX;
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}
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/* { dg-final { scan-tree-dump-not " > " "ifcombine" } } */
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/* { dg-final { scan-tree-dump-not " < " "ifcombine" } } */
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