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jeremybenn |
/* PR tree-optimization/46309 */
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/* { dg-do compile } */
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/* { dg-options "-O2 -fdump-tree-reassoc-details" } */
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/* The transformation depends on BRANCH_COST being greater than 1
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(see the notes in the PR), so try to force that. */
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/* { dg-additional-options "-mtune=octeon2" { target mips*-*-* } } */
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/* { dg-additional-options "-mbranch-cost=2" { target avr*-*-* s390*-*-* } } */
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int
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f1 (int a)
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{
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int v1 = (a == 3);
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int v2 = (a == 1);
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int v3 = (a == 4);
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int v4 = (a == 2);
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return v1 || v2 || v3 || v4;
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}
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int
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f2 (int a)
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{
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int v1 = (a == 1);
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int v2 = (a == 2);
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int v3 = (a == 3);
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int v4 = (a == 4);
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return v1 || v2 || v3 || v4;
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}
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int
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f3 (int a)
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{
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int v1 = (a == 3);
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int v2 = (a == 1);
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return v1 || v2;
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}
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int
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f4 (int a)
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{
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int v1 = (a == 1);
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int v2 = (a == 2);
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return v1 || v2;
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}
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int
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f5 (unsigned int a)
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{
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int v1 = (a <= 31);
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int v2 = (a >= 64 && a <= 95);
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return v1 || v2;
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}
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int
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f6 (unsigned int a)
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{
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int v1 = (a <= 31);
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int v2 = (a >= 64 && a <= 95);
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int v3 = (a >= 128 && a <= 159);
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int v4 = (a >= 192 && a <= 223);
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return v1 || v2 || v3 || v4;
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}
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/* { dg-final { scan-tree-dump-times "Optimizing range tests a_\[0-9\]*.D. -.1, 1. and -.2, 2. and -.3, 3. and -.4, 4.\[\n\r\]* into" 2 "reassoc1" } } */
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/* { dg-final { scan-tree-dump-times "Optimizing range tests a_\[0-9\]*.D. -.1, 1. and -.3, 3.\[\n\r\]* into" 1 "reassoc1" } } */
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/* { dg-final { scan-tree-dump-times "Optimizing range tests a_\[0-9\]*.D. -.1, 1. and -.2, 2.\[\n\r\]* into" 1 "reassoc1" } } */
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/* { dg-final { scan-tree-dump-times "Optimizing range tests a_\[0-9\]*.D. -.0, 31. and -.64, 95.\[\n\r\]* into" 2 "reassoc1" } } */
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/* { dg-final { scan-tree-dump-times "Optimizing range tests a_\[0-9\]*.D. -.128, 159. and -.192, 223.\[\n\r\]* into" 1 "reassoc1" } } */
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/* { dg-final { scan-tree-dump-times "Optimizing range tests D.\[0-9\]*_\[0-9\]* -.0, 31. and -.128, 159.\[\n\r\]* into" 1 "reassoc2" } } */
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/* { dg-final { cleanup-tree-dump "reassoc1" } } */
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/* { dg-final { cleanup-tree-dump "reassoc2" } } */
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