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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/isolate-5.c | |
parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/isolate-5.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/isolate-5.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/isolate-5.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/isolate-5.c new file mode 100644 index 000000000..4d01d5c63 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/isolate-5.c @@ -0,0 +1,52 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-isolate-paths -fdump-tree-optimized" } */ + +struct demangle_component +{ + + int type; + int zzz; + +}; + +struct d_info +{ + struct demangle_component *comps; + int next_comp; + int num_comps; +}; + +static struct demangle_component * +d_make_empty (struct d_info *di) +{ + struct demangle_component *p; + + if (di->next_comp >= di->num_comps) + return ((void *)0); + p = &di->comps[di->next_comp]; + return p; +} + +struct demangle_component * +d_type (struct d_info *di) +{ + struct demangle_component *ret; + ret = d_make_empty (di); + foo (ret->type); + bar (ret->zzz); + return ret; +} + +/* We're testing two aspects of isolation here. First that isolation + occurs, second that if we have two null dereferences in a block that + that we delete everything from the first dereferece to the end of the + block, regardless of which comes first in the immediate use iterator. + + We leave the 0->type in the IL, so expect to see ->type twice. */ +/* { dg-final { scan-tree-dump-times "__builtin_trap" 1 "isolate-paths"} } */ +/* { dg-final { scan-tree-dump-times "->type" 2 "isolate-paths"} } */ +/* { dg-final { scan-tree-dump-times "->type" 1 "optimized"} } */ +/* { dg-final { scan-tree-dump-times "\\.type" 1 "optimized"} } */ +/* { dg-final { scan-tree-dump-times "->zzz" 1 "isolate-paths"} } */ +/* { dg-final { cleanup-tree-dump "isolate-paths" } } */ +/* { dg-final { cleanup-tree-dump "optimized" } } */ |