Simplify vect_is_simple_use

This simplifies vect_is_simple_use to always get the def-type from
the stmt_info instead of singleing out some gimple stmt kinds.

2021-06-09  Richard Biener  <rguenther@suse.de>

	* tree-vect-stmts.c (vect_is_simple_use): Always get dt
	from the stmt.

diff --git a/gcc/tree-vect-stmts.c b/gcc/tree-vect-stmts.c
index bd2a1c8..eeef96a 100644 (file)
--- a/gcc/tree-vect-stmts.c
+++ b/gcc/tree-vect-stmts.c
@@ -11326,17 +11326,7 @@ vect_is_simple_use (tree operand, vec_info *vinfo, enum vect_def_type *dt,
        {
          stmt_vinfo = vect_stmt_to_vectorize (stmt_vinfo);
          def_stmt = stmt_vinfo->stmt;
-         switch (gimple_code (def_stmt))
-           {
-           case GIMPLE_PHI:
-           case GIMPLE_ASSIGN:
-           case GIMPLE_CALL:
-             *dt = STMT_VINFO_DEF_TYPE (stmt_vinfo);
-             break;
-           default:
-             *dt = vect_unknown_def_type;
-             break;
-           }
+         *dt = STMT_VINFO_DEF_TYPE (stmt_vinfo);
          if (def_stmt_info_out)
            *def_stmt_info_out = stmt_vinfo;
        }