remove obsolete code from SLP invariant costing

Message ID nycvar.YFH.7.76.2005281320450.4397@zhemvz.fhfr.qr
State New
Headers show
Series
  • remove obsolete code from SLP invariant costing
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Commit Message

Richard Biener May 28, 2020, 11:20 a.m.
This removes handling of !SLP_TREE_VECTYPE from invariant costing.
The single caller guards against this case already.

2020-05-28  Richard Biener  <rguenther@suse.de>

	* tree-vect-slp.c (vect_prologue_cost_for_slp): Remove
	case for !SLP_TREE_VECTYPE.
	(vect_slp_analyze_node_operations): Adjust.
---
 gcc/tree-vect-slp.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

-- 
2.26.2

Patch

diff --git a/gcc/tree-vect-slp.c b/gcc/tree-vect-slp.c
index aa95c0a7f75..5976e91cf62 100644
--- a/gcc/tree-vect-slp.c
+++ b/gcc/tree-vect-slp.c
@@ -2739,19 +2739,13 @@  vect_slp_convert_to_external (vec_info *vinfo, slp_tree node,
    by NODE.  */
 
 static void
-vect_prologue_cost_for_slp (vec_info *vinfo,
-			    slp_tree node,
+vect_prologue_cost_for_slp (slp_tree node,
 			    stmt_vector_for_cost *cost_vec)
 {
   /* Without looking at the actual initializer a vector of
      constants can be implemented as load from the constant pool.
      When all elements are the same we can use a splat.  */
   tree vectype = SLP_TREE_VECTYPE (node);
-  /* ???  Ideally we'd want all invariant nodes to have a vectype.  */
-  if (!vectype)
-    vectype = get_vectype_for_scalar_type (vinfo,
-					   TREE_TYPE (SLP_TREE_SCALAR_OPS
-							      (node)[0]), node);
   unsigned group_size = SLP_TREE_SCALAR_OPS (node).length ();
   unsigned num_vects_to_check;
   unsigned HOST_WIDE_INT const_nunits;
@@ -2911,7 +2905,7 @@  vect_slp_analyze_node_operations (vec_info *vinfo, slp_tree node,
 	  SLP_TREE_NUMBER_OF_VEC_STMTS (child)
 	    = vect_get_num_vectors (vf * group_size, vector_type);
 	  /* And cost them.  */
-	  vect_prologue_cost_for_slp (vinfo, child, cost_vec);
+	  vect_prologue_cost_for_slp (child, cost_vec);
 	}
 
   /* If this node can't be vectorized, try pruning the tree here rather