[PATCH V2] LOOP IVOPTS: Apply LEN_MASK_{LOAD,STORE}

[juzhe . zhong]

From: Ju-Zhe Zhong <juzhe.zh...@rivai.ai>

Hi, Jeff. I fix format as you suggested.
Ok for trunk ?

gcc/ChangeLog:

        * tree-ssa-loop-ivopts.cc (get_mem_type_for_internal_fn): Apply 
LEN_MASK_{LOAD,STORE}.
---
 gcc/tree-ssa-loop-ivopts.cc | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/gcc/tree-ssa-loop-ivopts.cc b/gcc/tree-ssa-loop-ivopts.cc
index 6671ff6db5a..dc7a29fead2 100644
--- a/gcc/tree-ssa-loop-ivopts.cc
+++ b/gcc/tree-ssa-loop-ivopts.cc
@@ -2442,6 +2442,7 @@ get_mem_type_for_internal_fn (gcall *call, tree *op_p)
     case IFN_MASK_LOAD:
     case IFN_MASK_LOAD_LANES:
     case IFN_LEN_LOAD:
+    case IFN_LEN_MASK_LOAD:
       if (op_p == gimple_call_arg_ptr (call, 0))
        return TREE_TYPE (gimple_call_lhs (call));
       return NULL_TREE;
@@ -2449,9 +2450,16 @@ get_mem_type_for_internal_fn (gcall *call, tree *op_p)
     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;
+    case IFN_LEN_MASK_STORE:
+      {
+       if (op_p == gimple_call_arg_ptr (call, 0))
+         {
+           internal_fn ifn = gimple_call_internal_fn (call);
+           int index = internal_fn_stored_value_index (ifn);
+           return TREE_TYPE (gimple_call_arg (call, index));
+         }
+       return NULL_TREE;
+      }
 
     default:
       return NULL_TREE;
-- 
2.36.3