Renaming ISD::BIT_CONVERT to ISD::BITCAST to better reflect the LLVM IR concept.

llvm-svn: 119990
diff --git a/llvm/lib/Target/SystemZ/SystemZISelLowering.cpp b/llvm/lib/Target/SystemZ/SystemZISelLowering.cpp
index 2cc2ad5..6b55d98 100644
--- a/llvm/lib/Target/SystemZ/SystemZISelLowering.cpp
+++ b/llvm/lib/Target/SystemZ/SystemZISelLowering.cpp
@@ -147,8 +147,8 @@
   setOperationAction(ISD::FREM,             MVT::f64, Expand);
 
   // We have only 64-bit bitconverts
-  setOperationAction(ISD::BIT_CONVERT,      MVT::f32, Expand);
-  setOperationAction(ISD::BIT_CONVERT,      MVT::i32, Expand);
+  setOperationAction(ISD::BITCAST,          MVT::f32, Expand);
+  setOperationAction(ISD::BITCAST,          MVT::i32, Expand);
 
   setOperationAction(ISD::UINT_TO_FP,       MVT::i32, Expand);
   setOperationAction(ISD::UINT_TO_FP,       MVT::i64, Expand);