Remove unused PatLeaf.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141720 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Mips/MipsInstrInfo.td b/lib/Target/Mips/MipsInstrInfo.td
index 702b376..a47d032 100644
--- a/lib/Target/Mips/MipsInstrInfo.td
+++ b/lib/Target/Mips/MipsInstrInfo.td
@@ -741,10 +741,6 @@
     def WSBW : ByteSwap<0x20, "wsbw">;
 }
 
-/// Conditional Move
-def MIPS_CMOV_ZERO  : PatLeaf<(i32 0)>;
-def MIPS_CMOV_NZERO : PatLeaf<(i32 1)>;
-
 // Conditional moves:
 // These instructions are expanded in
 // MipsISelLowering::EmitInstrWithCustomInserter if target does not have