diff options
Diffstat (limited to 'gcc/emit-rtl.c')
| -rw-r--r-- | gcc/emit-rtl.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index 4c48797..1c449d6 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -2613,7 +2613,7 @@ try_split (pat, trial, last) tem = emit_insn_after (seq, trial); - delete_insn (trial); + delete_related_insns (trial); if (has_barrier) emit_barrier_after (tem); @@ -2873,6 +2873,8 @@ remove_insn (insn) { rtx next = NEXT_INSN (insn); rtx prev = PREV_INSN (insn); + basic_block bb; + if (prev) { NEXT_INSN (prev) = next; @@ -2921,6 +2923,21 @@ remove_insn (insn) if (stack == 0) abort (); } + if (basic_block_for_insn + && (unsigned int)INSN_UID (insn) < basic_block_for_insn->num_elements + && (bb = BLOCK_FOR_INSN (insn))) + { + if (bb->head == insn) + { + /* Never ever delete the basic block note without deleting whole basic + block. */ + if (GET_CODE (insn) == NOTE) + abort (); + bb->head = next; + } + if (bb->end == insn) + bb->end = prev; + } } /* Delete all insns made since FROM. |