43 lines
808 B
C
43 lines
808 B
C
/* PR tree-optimization/88800 - Spurious -Werror=array-bounds for non-taken
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branch
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Verify that out-of-bounds memcpy calls are not folded even when
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warnings are disabled.
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{ dg-do compile }
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{ dg-options "-O2 -w -fdump-tree-optimized" } */
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extern void* memcpy (void*, const void*, __SIZE_TYPE__);
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char a1[1], a2[2], a4[4], a8[8], a16[16], a32[32];
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void f1 (const void *p)
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{
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memcpy (a1, p, sizeof a1 * 2);
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}
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void f2 (const void *p)
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{
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memcpy (a2, p, sizeof a2 * 2);
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}
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void f4 (const void *p)
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{
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memcpy (a4, p, sizeof a4 * 2);
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}
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void f8 (const void *p)
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{
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memcpy (a8, p, sizeof a8 * 2);
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}
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void f16 (const void *p)
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{
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memcpy (a16, p, sizeof a16 * 2);
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}
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void f32 (const void *p)
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{
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memcpy (a32, p, sizeof a32 * 2);
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}
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/* { dg-final { scan-tree-dump-times "memcpy" 6 "optimized" } } */
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