22 lines
673 B
C
22 lines
673 B
C
/* This was a missed optimization in tree constant propagation
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that CSE would catch later on. */
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/* { dg-do compile } */
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/* { dg-options "-O -fdump-tree-dce2" } */
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double _Complex *a;
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static const double _Complex b[10] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
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void
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test (void)
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{
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a[0] = b[0] + b[1];
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a[1] = b[0] + b[1];
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return;
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}
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/* After DCE2 which runs after FRE, the expressions should be fully
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constant folded. There should be no loads from b left. */
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/* { dg-final { scan-tree-dump-times "__complex__ \\\(1.0e\\\+0, 0.0\\\)" 2 "dce2" } } */
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/* { dg-final { scan-tree-dump-times "= b" 0 "dce2" } } */
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/* { dg-final { cleanup-tree-dump "dce2" } } */
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