From: Devang Patel <dpatel@apple.com>
Date: Mon, 31 Aug 2009 22:00:15 +0000 (+0000)
Subject: Rename DIBlock as DILexicalBlock.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5e005d814f13f1796cf9e32c7525a5241fface1a;p=oota-llvm.git

Rename DIBlock as DILexicalBlock.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80633 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/Analysis/DebugInfo.h b/include/llvm/Analysis/DebugInfo.h
index e6737d0ef0a..f27d03b7d0b 100644
--- a/include/llvm/Analysis/DebugInfo.h
+++ b/include/llvm/Analysis/DebugInfo.h
@@ -96,6 +96,7 @@ namespace llvm {
     bool isGlobalVariable() const;
     bool isScope() const;
     bool isCompileUnit() const;
+    bool isLexicalBlock() const;
   };
 
   /// DISubrange - This is used to represent ranges, for array bounds.
@@ -419,12 +420,14 @@ namespace llvm {
     void dump() const;
   };
 
-  /// DIBlock - This is a wrapper for a block (e.g. a function, scope, etc).
-  class DIBlock : public DIDescriptor {
+  /// DILexicalBlock - This is a wrapper for a lexical block.
+  class DILexicalBlock : public DIScope {
   public:
-    explicit DIBlock(MDNode *N = 0)
-      : DIDescriptor(N, dwarf::DW_TAG_lexical_block) {}
-
+    explicit DILexicalBlock(MDNode *N = 0) {
+      DbgNode = N;
+      if (DbgNode && !isLexicalBlock()) 
+	DbgNode = 0;
+    }
     DIDescriptor getContext() const { return getDescriptorField(1); }
   };
 
@@ -524,9 +527,9 @@ namespace llvm {
                               DICompileUnit CompileUnit, unsigned LineNo,
                               DIType Type);
 
-    /// CreateBlock - This creates a descriptor for a lexical block with the
-    /// specified parent context.
-    DIBlock CreateBlock(DIDescriptor Context);
+    /// CreateLexicalBlock - This creates a descriptor for a lexical block 
+    /// with the specified parent context.
+    DILexicalBlock CreateLexicalBlock(DIDescriptor Context);
 
     /// InsertStopPoint - Create a new llvm.dbg.stoppoint intrinsic invocation,
     /// inserting it at the end of the specified basic block.
diff --git a/lib/Analysis/DebugInfo.cpp b/lib/Analysis/DebugInfo.cpp
index 3e3b8023024..92731335af9 100644
--- a/lib/Analysis/DebugInfo.cpp
+++ b/lib/Analysis/DebugInfo.cpp
@@ -235,6 +235,14 @@ bool DIDescriptor::isCompileUnit() const {
   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 @@ DIVariable DIFactory::CreateVariable(unsigned Tag, DIDescriptor Context,
 
 /// 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));
 }
 
 
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 40ff3e49cf7..f7e782c794a 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -1222,7 +1222,7 @@ DbgScope *DwarfDebug::getOrCreateScope(MDNode *N) {
   if (Slot) return Slot;
 
   DbgScope *Parent = NULL;
-  DIBlock Block(N);
+  DILexicalBlock Block(N);
 
   // Don't create a new scope if we already created one for an inlined function.
   DenseMap<const MDNode *, DbgScope *>::iterator