annotate gcc/testsuite/gcc.dg/fold-plusmult-2.c @ 131:84e7813d76e9

gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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111
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1 /* { dg-do compile } */
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2 /* { dg-options "-fdump-tree-original" } */
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3
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4 int foo (int i)
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5 {
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6 return 2 + i * 4;
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7 }
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8
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9 /* We do _not_ want the above to be canonicalized to (i * 2 + 1) * 2. */
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10
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11 int bar (int i)
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12 {
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13 return 4 + i * 2;
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14 }
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15
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16 /* But eventually this to be canonicalized to (i + 2) * 2. */
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17
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18 /* { dg-final { scan-tree-dump "i \\\* 4 \\\+ 2" "original" } } */
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19 /* { dg-final { scan-tree-dump "\\\(i \\\+ 2\\\) \\\* 2" "original" } } */