[PATCH 6/7] ivopts: Add handlings for vector with length IFNs

[Kewen.Lin via Gcc-patches]

gcc/ChangeLog

2020-MM-DD  Kewen Lin  <li...@gcc.gnu.org>

        * tree-ssa-loop-ivopts.c (get_mem_type_for_internal_fn): Handle
        IFN_LEN_LOAD and IFN_LEN_STORE.
        (get_alias_ptr_type_for_ptr_address): Likewise.



---
 gcc/tree-ssa-loop-ivopts.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gcc/tree-ssa-loop-ivopts.c b/gcc/tree-ssa-loop-ivopts.c
index 1d2697ae1ba..45b31640e75 100644
--- a/gcc/tree-ssa-loop-ivopts.c
+++ b/gcc/tree-ssa-loop-ivopts.c
@@ -2436,12 +2436,14 @@ get_mem_type_for_internal_fn (gcall *call, tree *op_p)
     {
     case IFN_MASK_LOAD:
     case IFN_MASK_LOAD_LANES:
+    case IFN_LEN_LOAD:
       if (op_p == gimple_call_arg_ptr (call, 0))
        return TREE_TYPE (gimple_call_lhs (call));
       return NULL_TREE;
 
     case IFN_MASK_STORE:
     case IFN_MASK_STORE_LANES:
+    case IFN_LEN_STORE:
       if (op_p == gimple_call_arg_ptr (call, 0))
        return TREE_TYPE (gimple_call_arg (call, 3));
       return NULL_TREE;
@@ -7415,6 +7417,8 @@ get_alias_ptr_type_for_ptr_address (iv_use *use)
     case IFN_MASK_STORE:
     case IFN_MASK_LOAD_LANES:
     case IFN_MASK_STORE_LANES:
+    case IFN_LEN_LOAD:
+    case IFN_LEN_STORE:
       /* The second argument contains the correct alias type.  */
       gcc_assert (use->op_p = gimple_call_arg_ptr (call, 0));
       return TREE_TYPE (gimple_call_arg (call, 1));
--