Add missing builtins to the PPC back end for ABI compliance (vol. 3)

This patch corresponds to review:
http://reviews.llvm.org/D10973

Back end portion of the third round of additions to altivec.h.

llvm-svn: 241900
diff --git a/llvm/lib/Target/PowerPC/PPCInstrVSX.td b/llvm/lib/Target/PowerPC/PPCInstrVSX.td
index 3cb67de..544f69f 100644
--- a/llvm/lib/Target/PowerPC/PPCInstrVSX.td
+++ b/llvm/lib/Target/PowerPC/PPCInstrVSX.td
@@ -1018,6 +1018,8 @@
                           [(set v4i32:$XT, (vnot_ppc (and v4i32:$XA,
                                                     v4i32:$XB)))]>;
   } // isCommutable
+  def : Pat<(int_ppc_vsx_xxleqv v4i32:$A, v4i32:$B),
+            (XXLEQV $A, $B)>;
 
   def XXLORC : XX3Form<60, 170,
                        (outs vsrc:$XT), (ins vsrc:$XA, vsrc:$XB),