Where Triple has a suitable predicate, use it rather than the enum values. NFC.

Reviewers: mcrosier

Subscribers: llvm-commits, rengolin

Differential Revision: http://reviews.llvm.org/D10960

llvm-svn: 241469
diff --git a/llvm/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp b/llvm/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp
index 4d12bfb..d17fdb9 100644
--- a/llvm/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp
+++ b/llvm/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp
@@ -1362,7 +1362,7 @@
 MCTargetStreamer *createARMObjectTargetStreamer(MCStreamer &S,
                                                 const MCSubtargetInfo &STI) {
   const Triple &TT = STI.getTargetTriple();
-  if (TT.getObjectFormat() == Triple::ELF)
+  if (TT.isOSBinFormatELF())
     return new ARMTargetELFStreamer(S);
   return new ARMTargetStreamer(S);
 }