diff options
| -rw-r--r-- | gcc/haifa-sched.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/haifa-sched.c b/gcc/haifa-sched.c index b0d34b6..af9161f 100644 --- a/gcc/haifa-sched.c +++ b/gcc/haifa-sched.c @@ -860,6 +860,12 @@ add_dependence (insn, elem, dep_type) if (insn == elem) return; + /* We can get a dependency on deleted insns due to optimizations in + the register allocation and reloading or due to splitting. Any + such dependency is useless and can be ignored. */ + if (GET_CODE (elem) == NOTE) + return; + /* If elem is part of a sequence that must be scheduled together, then make the dependence point to the last insn of the sequence. When HAVE_cc0, it is possible for NOTEs to exist between users and |