1 /* PR tree-optimization/46309 */
2 /* { dg-do compile } */
3 /* { dg-skip-if "branch cost is always one" { "frv-*-*" "m32c-*-*" "mn10300-*-*" "sh-*-*" } "*" { "" } } */
4 /* { dg-options "-O2 -fdump-tree-reassoc-details" } */
5 /* The transformation depends on BRANCH_COST being greater than 1
6 (see the notes in the PR), so try to force that. */
7 /* { dg-additional-options "-mtune=octeon2" { target mips*-*-* } } */
8 /* { dg-additional-options "-mbranch-cost=2" { target avr*-*-* s390*-*-* } } */
17 return v1 || v2 || v3 || v4;
27 return v1 || v2 || v3 || v4;
50 int v2 = (a >= 64 && a <= 95);
58 int v2 = (a >= 64 && a <= 95);
59 int v3 = (a >= 128 && a <= 159);
60 int v4 = (a >= 192 && a <= 223);
61 return v1 || v2 || v3 || v4;
64 /* { 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" } } */
65 /* { dg-final { scan-tree-dump-times "Optimizing range tests a_\[0-9\]*.D. -.1, 1. and -.3, 3.\[\n\r\]* into" 1 "reassoc1" } } */
66 /* { dg-final { scan-tree-dump-times "Optimizing range tests a_\[0-9\]*.D. -.1, 1. and -.2, 2.\[\n\r\]* into" 1 "reassoc1" } } */
67 /* { dg-final { scan-tree-dump-times "Optimizing range tests a_\[0-9\]*.D. -.0, 31. and -.64, 95.\[\n\r\]* into" 2 "reassoc1" } } */
68 /* { dg-final { scan-tree-dump-times "Optimizing range tests a_\[0-9\]*.D. -.128, 159. and -.192, 223.\[\n\r\]* into" 1 "reassoc1" } } */
69 /* { dg-final { scan-tree-dump-times "Optimizing range tests D.\[0-9\]*_\[0-9\]* -.0, 31. and -.128, 159.\[\n\r\]* into" 1 "reassoc2" } } */
70 /* { dg-final { cleanup-tree-dump "reassoc1" } } */
71 /* { dg-final { cleanup-tree-dump "reassoc2" } } */