- movlp{s|d} and movhp{s|d} support.
- Normalize shuffle nodes so result vector lower half elements come from the
  first vector, the rest come from the second vector. (Except for the
  exceptions :-).
- Other minor fixes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27474 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelLowering.h b/lib/Target/X86/X86ISelLowering.h
index aec0cd8..46cb2c8 100644
--- a/lib/Target/X86/X86ISelLowering.h
+++ b/lib/Target/X86/X86ISelLowering.h
@@ -212,6 +212,14 @@
    /// specifies a shuffle of elements that is suitable for input to MOVHLPS.
    bool isMOVHLPSMask(SDNode *N);
 
+   /// isMOVLPMask - Return true if the specified VECTOR_SHUFFLE operand
+   /// specifies a shuffle of elements that is suitable for input to MOVLP{S|D}.
+   bool isMOVLPMask(SDNode *N);
+
+   /// isMOVHPMask - Return true if the specified VECTOR_SHUFFLE operand
+   /// specifies a shuffle of elements that is suitable for input to MOVHP{S|D}.
+   bool isMOVHPMask(SDNode *N);
+
    /// isUNPCKLMask - Return true if the specified VECTOR_SHUFFLE operand
    /// specifies a shuffle of elements that is suitable for input to UNPCKL.
    bool isUNPCKLMask(SDNode *N);