MC: Clean up MCExpr naming. NFC.

llvm-svn: 238634
diff --git a/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp b/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp
index ef1db07..c879a38 100644
--- a/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp
+++ b/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp
@@ -163,7 +163,7 @@
     MCAssembler &MCA = getStreamer().getAssembler();
 
     int64_t Res;
-    if (!LocalOffset->EvaluateAsAbsolute(Res, MCA))
+    if (!LocalOffset->evaluateAsAbsolute(Res, MCA))
       report_fatal_error(".localentry expression must be absolute.");
 
     unsigned Encoded = ELF::encodePPC64LocalEntryOffset(Res);