Debug Info: rename getDebugInfoVersionFromModule to getDebugMetadataVersionFromModule.

Suggested by Eric.

llvm-svn: 196172
diff --git a/llvm/lib/IR/DebugInfo.cpp b/llvm/lib/IR/DebugInfo.cpp
index 68015b7..75a7096 100644
--- a/llvm/lib/IR/DebugInfo.cpp
+++ b/llvm/lib/IR/DebugInfo.cpp
@@ -1478,8 +1478,8 @@
   return Changed;
 }
 
-/// Return Debug Info Version by checking module flags.
-unsigned llvm::getDebugInfoVersionFromModule(const Module &M) {
+/// Return Debug Info Metadata Version by checking module flags.
+unsigned llvm::getDebugMetadataVersionFromModule(const Module &M) {
   Value *Val = M.getModuleFlag("Debug Info Version");
   if (!Val)
     return 0;