Rename DIBlock as DILexicalBlock.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80633 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/DebugInfo.cpp b/lib/Analysis/DebugInfo.cpp
index 3e3b802..9273133 100644
--- a/lib/Analysis/DebugInfo.cpp
+++ b/lib/Analysis/DebugInfo.cpp
@@ -235,6 +235,14 @@
   return Tag == dwarf::DW_TAG_compile_unit;
 }
 
+/// isLexicalBlock - Return true if the specified tag is DW_TAG_lexical_block.
+bool DIDescriptor::isLexicalBlock() const {
+  assert (!isNull() && "Invalid descriptor!");
+  unsigned Tag = getTag();
+
+  return Tag == dwarf::DW_TAG_lexical_block;
+}
+
 //===----------------------------------------------------------------------===//
 // Simple Descriptor Constructors and other Methods
 //===----------------------------------------------------------------------===//
@@ -758,12 +766,12 @@
 
 /// CreateBlock - This creates a descriptor for a lexical block with the
 /// specified parent VMContext.
-DIBlock DIFactory::CreateBlock(DIDescriptor Context) {
+DILexicalBlock DIFactory::CreateLexicalBlock(DIDescriptor Context) {
   Value *Elts[] = {
     GetTagConstant(dwarf::DW_TAG_lexical_block),
     Context.getNode()
   };
-  return DIBlock(MDNode::get(VMContext, &Elts[0], 2));
+  return DILexicalBlock(MDNode::get(VMContext, &Elts[0], 2));
 }