Mercurial > hg > CbC > CbC_gcc

annotate gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-64.c @ 131:84e7813d76e9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
131
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
1 /* { dg-do compile } */
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
2 /* { dg-options "-O -fdump-tree-fre1-details -fdump-tree-dse1-details" } */
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
3
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
4 int foo(unsigned char c, signed char d, int e)
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
5 {
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
6 int res = 0;
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
7 char x[256];
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
8 __builtin_memset (x, c, 256);
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
9 res += x[54];
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
10 __builtin_memset (x, d, 256);
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
11 res += x[54];
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
12 __builtin_memset (x, e, 256);
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
13 res += x[54];
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
14 return res;
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
15 }
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
16
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
17 /* The loads get replaced with conversions from c or d and e. */
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
18 /* { dg-final { scan-tree-dump-times "Inserted" 2 "fre1" } } */
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
19 /* { dg-final { scan-tree-dump-times "Replaced x" 3 "fre1" } } */
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
20 /* And the memsets removed as dead. */
84e7813d76e9 gcc-8.2
mir3636
parents:
diff changeset
21 /* { dg-final { scan-tree-dump-times "Deleted dead call" 3 "dse1" } } */