Implement review feedback for vector shuffle work.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70372 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelLowering.h b/lib/Target/X86/X86ISelLowering.h
index 5832702..a68a6fa 100644
--- a/lib/Target/X86/X86ISelLowering.h
+++ b/lib/Target/X86/X86ISelLowering.h
@@ -470,13 +470,15 @@
     /// support *some* VECTOR_SHUFFLE operations, those with specific masks.
     /// By default, if a target supports the VECTOR_SHUFFLE node, all mask
     /// values are assumed to be legal.
-    virtual bool isShuffleMaskLegal(SmallVectorImpl<int> &Mask, MVT VT) const;
+    virtual bool isShuffleMaskLegal(const SmallVectorImpl<int> &Mask,
+                                    MVT VT) const;
 
     /// isVectorClearMaskLegal - Similar to isShuffleMaskLegal. This is
     /// used by Targets can use this to indicate if there is a suitable
     /// VECTOR_SHUFFLE that can be used to replace a VAND with a constant
     /// pool entry.
-    virtual bool isVectorClearMaskLegal(SmallVectorImpl<int> &M, MVT VT) const;
+    virtual bool isVectorClearMaskLegal(const SmallVectorImpl<int> &Mask,
+                                        MVT VT) const;
 
     /// ShouldShrinkFPConstant - If true, then instruction selection should
     /// seek to shrink the FP constant of the specified type to a smaller type