[gcc r12-1325] Simplify vect_is_simple_use

[Richard Biener <rguenth@gcc.gnu.org>]

https://gcc.gnu.org/g:12913c7125f15d4385c28860126b33834b6dd267

commit r12-1325-g12913c7125f15d4385c28860126b33834b6dd267
Author: Richard Biener <rguenther@suse.de>
Date:   Wed Jun 9 13:07:19 2021 +0200

    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:
---
 gcc/tree-vect-stmts.c | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/gcc/tree-vect-stmts.c b/gcc/tree-vect-stmts.c
index bd2a1c89e67..eeef96a2eb6 100644
--- 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;
 	}