diff options
Diffstat (limited to 'gcc/var-tracking.c')
| -rw-r--r-- | gcc/var-tracking.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/gcc/var-tracking.c b/gcc/var-tracking.c index 11d4efdcdc2..95bc02b183c 100644 --- a/gcc/var-tracking.c +++ b/gcc/var-tracking.c @@ -9517,6 +9517,12 @@ vt_initialize (void) return true; } +/* This is *not* reset after each function. It gives each + NOTE_INSN_DELETED_DEBUG_LABEL in the entire compilation + a unique label number. */ + +static int debug_label_num = 1; + /* Get rid of all debug insns from the insn stream. */ static void @@ -9532,7 +9538,22 @@ delete_debug_insns (void) { FOR_BB_INSNS_SAFE (bb, insn, next) if (DEBUG_INSN_P (insn)) - delete_insn (insn); + { + tree decl = INSN_VAR_LOCATION_DECL (insn); + if (TREE_CODE (decl) == LABEL_DECL + && DECL_NAME (decl) + && !DECL_RTL_SET_P (decl)) + { + PUT_CODE (insn, NOTE); + NOTE_KIND (insn) = NOTE_INSN_DELETED_DEBUG_LABEL; + NOTE_DELETED_LABEL_NAME (insn) + = IDENTIFIER_POINTER (DECL_NAME (decl)); + SET_DECL_RTL (decl, insn); + CODE_LABEL_NUMBER (insn) = debug_label_num++; + } + else + delete_insn (insn); + } } } |