diff options
Diffstat (limited to 'gcc/gimple.c')
| -rw-r--r-- | gcc/gimple.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/gimple.c b/gcc/gimple.c index a0eac87..633ef51 100644 --- a/gcc/gimple.c +++ b/gcc/gimple.c @@ -2057,6 +2057,18 @@ gimple_copy (gimple *stmt) return copy; } +/* Move OLD_STMT's vuse and vdef operands to NEW_STMT, on the assumption + that OLD_STMT is about to be removed. */ + +void +gimple_move_vops (gimple *new_stmt, gimple *old_stmt) +{ + tree vdef = gimple_vdef (old_stmt); + gimple_set_vuse (new_stmt, gimple_vuse (old_stmt)); + gimple_set_vdef (new_stmt, vdef); + if (vdef && TREE_CODE (vdef) == SSA_NAME) + SSA_NAME_DEF_STMT (vdef) = new_stmt; +} /* Return true if statement S has side-effects. We consider a statement to have side effects if: |