fix typo


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21693 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCISelPattern.cpp b/lib/Target/PowerPC/PPCISelPattern.cpp
index 6ed3338..7faaee8 100644
--- a/lib/Target/PowerPC/PPCISelPattern.cpp
+++ b/lib/Target/PowerPC/PPCISelPattern.cpp
@@ -72,7 +72,7 @@
       //PowerPC has these, but they are not implemented
       setOperationAction(ISD::CTPOP, MVT::i32  , Expand);
       setOperationAction(ISD::CTTZ , MVT::i32  , Expand);
-      setOperationAction(ISD::CTTZ , MVT::i32  , Expand);
+      setOperationAction(ISD::CTLZ , MVT::i32  , Expand);
 
       setSetCCResultContents(ZeroOrOneSetCCResult);
       addLegalFPImmediate(+0.0); // Necessary for FSEL