Commute vector_shuffle to match more movlhps, movlp{s|d} cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27840 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelLowering.h b/lib/Target/X86/X86ISelLowering.h
index 543e762..202ed08 100644
--- a/lib/Target/X86/X86ISelLowering.h
+++ b/lib/Target/X86/X86ISelLowering.h
@@ -204,10 +204,6 @@
    /// specifies a shuffle of elements that is suitable for input to SHUFP*.
    bool isSHUFPMask(SDNode *N);
 
-   /// isMOVLHPSMask - Return true if the specified VECTOR_SHUFFLE operand
-   /// specifies a shuffle of elements that is suitable for input to MOVHLPS.
-   bool isMOVLHPSMask(SDNode *N);
-
    /// isMOVHLPSMask - Return true if the specified VECTOR_SHUFFLE operand
    /// specifies a shuffle of elements that is suitable for input to MOVHLPS.
    bool isMOVHLPSMask(SDNode *N);
@@ -217,7 +213,8 @@
    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}.
+   /// specifies a shuffle of elements that is suitable for input to MOVHP{S|D}
+   /// as well as MOVLHPS.
    bool isMOVHPMask(SDNode *N);
 
    /// isUNPCKLMask - Return true if the specified VECTOR_SHUFFLE operand