s390x: remove IntegerMinMaxVectorOps multiclass

The more general smin/umin/smax/umax are now legal, so these patterns are no longer needed

Author: folkertdev

llvm/lib/Target/SystemZ/SystemZInstrVector.td

@@ -1250,55 +1250,6 @@ defm : IntegerAbsoluteVectorOps<v8i16, VLCH, VLPH, 15>;
 defm : IntegerAbsoluteVectorOps<v4i32, VLCF, VLPF, 31>;
 defm : IntegerAbsoluteVectorOps<v2i64, VLCG, VLPG, 63>;
 
-// Instantiate minimum- and maximum-related patterns for TYPE.  CMPH is the
-// signed or unsigned "set if greater than" comparison instruction and
-// MIN and MAX are the associated minimum and maximum instructions.
-multiclass IntegerMinMaxVectorOps<ValueType type, SDPatternOperator cmph,
-                                  Instruction min, Instruction max> {
-  let Predicates = [FeatureVector] in {
-    def : Pat<(type (vselect (cmph VR128:$x, VR128:$y), VR128:$x, VR128:$y)),
-              (max VR128:$x, VR128:$y)>;
-    def : Pat<(type (vselect (cmph VR128:$x, VR128:$y), VR128:$y, VR128:$x)),
-              (min VR128:$x, VR128:$y)>;
-    def : Pat<(type (vselect (z_vnot (cmph VR128:$x, VR128:$y)),
-                             VR128:$x, VR128:$y)),
-              (min VR128:$x, VR128:$y)>;
-    def : Pat<(type (vselect (z_vnot (cmph VR128:$x, VR128:$y)),
-                             VR128:$y, VR128:$x)),
-              (max VR128:$x, VR128:$y)>;
-  }
-}
-
-// Signed min/max.
-defm : IntegerMinMaxVectorOps<v16i8, z_vicmph, VMNB, VMXB>;
-defm : IntegerMinMaxVectorOps<v8i16, z_vicmph, VMNH, VMXH>;
-defm : IntegerMinMaxVectorOps<v4i32, z_vicmph, VMNF, VMXF>;
-defm : IntegerMinMaxVectorOps<v2i64, z_vicmph, VMNG, VMXG>;
-
-let Predicates = [FeatureVectorEnhancements3] in {
-  def : Pat<(i128 (or (and VR128:$x, (z_vicmph VR128:$x, VR128:$y)),
-                      (and VR128:$y, (not (z_vicmph VR128:$x, VR128:$y))))),
-            (VMXQ VR128:$x, VR128:$y)>;
-  def : Pat<(i128 (or (and VR128:$y, (z_vicmph VR128:$x, VR128:$y)),
-                      (and VR128:$x, (not (z_vicmph VR128:$x, VR128:$y))))),
-            (VMNQ VR128:$x, VR128:$y)>;
-}
-
-// Unsigned min/max.
-defm : IntegerMinMaxVectorOps<v16i8, z_vicmphl, VMNLB, VMXLB>;
-defm : IntegerMinMaxVectorOps<v8i16, z_vicmphl, VMNLH, VMXLH>;
-defm : IntegerMinMaxVectorOps<v4i32, z_vicmphl, VMNLF, VMXLF>;
-defm : IntegerMinMaxVectorOps<v2i64, z_vicmphl, VMNLG, VMXLG>;
-
-let Predicates = [FeatureVectorEnhancements3] in {
-  def : Pat<(i128 (or (and VR128:$x, (z_vicmphl VR128:$x, VR128:$y)),
-                      (and VR128:$y, (not (z_vicmphl VR128:$x, VR128:$y))))),
-            (VMXLQ VR128:$x, VR128:$y)>;
-  def : Pat<(i128 (or (and VR128:$y, (z_vicmphl VR128:$x, VR128:$y)),
-                      (and VR128:$x, (not (z_vicmphl VR128:$x, VR128:$y))))),
-            (VMNLQ VR128:$x, VR128:$y)>;
-}
-
 // Instantiate packs/packu: recognize a saturating truncation and convert
 // into the corresponding packs/packu instruction.
 multiclass SignedSaturatingTruncate<ValueType input, ValueType output,