diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/20030807-3.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/20030807-3.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20030807-3.c b/gcc/testsuite/gcc.dg/tree-ssa/20030807-3.c new file mode 100644 index 00000000000..7e10d382c4e --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/20030807-3.c @@ -0,0 +1,27 @@ +/* { dg-do compile } */ +/* { dg-options "-O1 -fdump-tree-dom3" } */ + +typedef unsigned int cppchar_t; +cppchar_t +cpp_parse_escape (pstr, limit, wide) + const unsigned char **pstr; + const unsigned char *limit; + int wide; +{ + cppchar_t i = 0; + int overflow = 0; + cppchar_t mask = ~0; + + while (*pstr < limit) + { + overflow |= i ^ (i << 4 >> 4); + i = oof (); + } + if (overflow | (i != (i & mask))) + foo(); +} + +/* There should be precisely three IF statements. If there is + more than two, then the dominator optimizations failed. */ +/* { dg-final { scan-tree-dump-times "if " 3 "dom3"} } */ + |