Target: Replace getSection().empty() with hasSection()

No functional change, just a small cleanup.

llvm-svn: 209064
diff --git a/llvm/lib/Target/TargetLoweringObjectFile.cpp b/llvm/lib/Target/TargetLoweringObjectFile.cpp
index 2f37ede..39e04591 100644
--- a/llvm/lib/Target/TargetLoweringObjectFile.cpp
+++ b/llvm/lib/Target/TargetLoweringObjectFile.cpp
@@ -62,7 +62,7 @@
     return false;
 
   // If the global has an explicit section specified, don't put it in BSS.
-  if (!GV->getSection().empty())
+  if (GV->hasSection())
     return false;
 
   // If -nozero-initialized-in-bss is specified, don't ever use BSS.