Add support for matching vmrg(x,x) patterns


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27463 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCISelLowering.h b/lib/Target/PowerPC/PPCISelLowering.h
index c2666ed..559256b 100644
--- a/lib/Target/PowerPC/PPCISelLowering.h
+++ b/lib/Target/PowerPC/PPCISelLowering.h
@@ -112,11 +112,11 @@
 
     /// isVMRGLShuffleMask - Return true if this is a shuffle mask suitable for
     /// a VRGL* instruction with the specified unit size (1,2 or 4 bytes).
-    bool isVMRGLShuffleMask(SDNode *N, unsigned UnitSize);
+    bool isVMRGLShuffleMask(SDNode *N, unsigned UnitSize, bool isUnary);
 
     /// isVMRGHShuffleMask - Return true if this is a shuffle mask suitable for
     /// a VRGH* instruction with the specified unit size (1,2 or 4 bytes).
-    bool isVMRGHShuffleMask(SDNode *N, unsigned UnitSize);
+    bool isVMRGHShuffleMask(SDNode *N, unsigned UnitSize, bool isUnary);
     
     /// isVSLDOIShuffleMask - If this is a vsldoi shuffle mask, return the shift
     /// amount, otherwise return -1.