On Tue, Jun 3, 2014 at 9:13 AM, Ilya Enkovich <enkovich....@gmail.com> wrote: > Hi, > > This patch preserves CALL_WITH_BOUNDS flag for calls during PRE.
Ok. Richard. > Bootstrapped and tested on linux-x86_64. > > Thanks, > Ilya > -- > gcc/ > > 2014-06-03 Ilya Enkovich <ilya.enkov...@intel.com> > > * tree-ssa-pre.c (create_component_ref_by_pieces_1): Store > CALL_WITH_BOUNDS_P for calls. > (copy_reference_ops_from_call): Restore CALL_WITH_BOUNDS_P > flag. > > > diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c > index 1e55356..d5b9f3b 100644 > --- a/gcc/tree-ssa-pre.c > +++ b/gcc/tree-ssa-pre.c > @@ -2579,6 +2579,8 @@ create_component_ref_by_pieces_1 (basic_block block, > vn_reference_t ref, > (TREE_CODE (fn) == FUNCTION_DECL > ? build_fold_addr_expr (fn) : fn), > nargs, args); > + if (currop->op2 == integer_one_node) > + CALL_WITH_BOUNDS_P (folded) = true; > free (args); > if (sc) > CALL_EXPR_STATIC_CHAIN (folded) = sc; > diff --git a/gcc/tree-ssa-sccvn.c b/gcc/tree-ssa-sccvn.c > index f7ec8b6..e83d9dc 100644 > --- a/gcc/tree-ssa-sccvn.c > +++ b/gcc/tree-ssa-sccvn.c > @@ -1124,6 +1124,8 @@ copy_reference_ops_from_call (gimple call, > temp.opcode = CALL_EXPR; > temp.op0 = gimple_call_fn (call); > temp.op1 = gimple_call_chain (call); > + if (gimple_call_with_bounds_p (call)) > + temp.op2 = integer_one_node; > temp.off = -1; > result->safe_push (temp); >
