From 37ed9c199ca639565f6ce88105f9e39e898d82d0 Mon Sep 17 00:00:00 2001
From: Stephen Hines <srhines@google.com>
Date: Mon, 1 Dec 2014 14:51:49 -0800
Subject: Update aosp/master LLVM for rebase to r222494.

Change-Id: Ic787f5e0124df789bd26f3f24680f45e678eef2d
---
 lib/CodeGen/AsmPrinter/DwarfFile.h | 45 +++++++++++++++++++++++++++++++++-----
 1 file changed, 39 insertions(+), 6 deletions(-)

(limited to 'lib/CodeGen/AsmPrinter/DwarfFile.h')

diff --git a/lib/CodeGen/AsmPrinter/DwarfFile.h b/lib/CodeGen/AsmPrinter/DwarfFile.h
index 3985eb28cd..9d64bfcdb9 100644
--- a/lib/CodeGen/AsmPrinter/DwarfFile.h
+++ b/lib/CodeGen/AsmPrinter/DwarfFile.h
@@ -7,8 +7,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef CODEGEN_ASMPRINTER_DWARFFILE_H__
-#define CODEGEN_ASMPRINTER_DWARFFILE_H__
+#ifndef LLVM_LIB_CODEGEN_ASMPRINTER_DWARFFILE_H
+#define LLVM_LIB_CODEGEN_ASMPRINTER_DWARFFILE_H
 
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/FoldingSet.h"
@@ -24,10 +24,13 @@
 
 namespace llvm {
 class AsmPrinter;
+class DbgVariable;
 class DwarfUnit;
 class DIEAbbrev;
 class MCSymbol;
 class DIE;
+class DISubprogram;
+class LexicalScope;
 class StringRef;
 class DwarfDebug;
 class MCSection;
@@ -35,6 +38,8 @@ class DwarfFile {
   // Target of Dwarf emission, used for sizing of abbreviations.
   AsmPrinter *Asm;
 
+  DwarfDebug &DD;
+
   // Used to uniquely define abbreviations.
   FoldingSet<DIEAbbrev> AbbreviationsSet;
 
@@ -46,8 +51,20 @@ class DwarfFile {
 
   DwarfStringPool StrPool;
 
+  // Collection of dbg variables of a scope.
+  DenseMap<LexicalScope *, SmallVector<DbgVariable *, 8>> ScopeVariables;
+
+  // Collection of abstract subprogram DIEs.
+  DenseMap<const MDNode *, DIE *> AbstractSPDies;
+
+  /// Maps MDNodes for type system with the corresponding DIEs. These DIEs can
+  /// be shared across CUs, that is why we keep the map here instead
+  /// of in DwarfCompileUnit.
+  DenseMap<const MDNode *, DIE *> MDTypeNodeToDieMap;
+
 public:
-  DwarfFile(AsmPrinter *AP, StringRef Pref, BumpPtrAllocator &DA);
+  DwarfFile(AsmPrinter *AP, DwarfDebug &DD, StringRef Pref,
+            BumpPtrAllocator &DA);
 
   ~DwarfFile();
 
@@ -67,18 +84,34 @@ public:
 
   /// \brief Emit all of the units to the section listed with the given
   /// abbreviation section.
-  void emitUnits(DwarfDebug *DD, const MCSymbol *ASectionSym);
+  void emitUnits(const MCSymbol *ASectionSym);
 
   /// \brief Emit a set of abbreviations to the specific section.
   void emitAbbrevs(const MCSection *);
 
   /// \brief Emit all of the strings to the section given.
   void emitStrings(const MCSection *StrSection,
-                   const MCSection *OffsetSection = nullptr,
-                   const MCSymbol *StrSecSym = nullptr);
+                   const MCSection *OffsetSection = nullptr);
 
   /// \brief Returns the string pool.
   DwarfStringPool &getStringPool() { return StrPool; }
+
+  void addScopeVariable(LexicalScope *LS, DbgVariable *Var);
+
+  DenseMap<LexicalScope *, SmallVector<DbgVariable *, 8>> &getScopeVariables() {
+    return ScopeVariables;
+  }
+
+  DenseMap<const MDNode *, DIE *> &getAbstractSPDies() {
+    return AbstractSPDies;
+  }
+
+  void insertDIE(const MDNode *TypeMD, DIE *Die) {
+    MDTypeNodeToDieMap.insert(std::make_pair(TypeMD, Die));
+  }
+  DIE *getDIE(const MDNode *TypeMD) {
+    return MDTypeNodeToDieMap.lookup(TypeMD);
+  }
 };
 }
 #endif
-- 
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