Add support for hashing location information for CU level hashes.

Add a testcase based on sret.cpp where we can now hash the entire
compile unit.

llvm-svn: 203319

1 files changed, 9 insertions, 3 deletions

diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h
index 0dadb73562e..b8cfdd354b1 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h
@@ -588,9 +588,6 @@ class DwarfDebug : public AsmPrinterHandler {
   /// \brief Emit visible names into a debug str section.
   void emitDebugStr();
 
-  /// \brief Emit an entry for the debug loc section.
-  void emitDebugLocEntry(ByteStreamer &Streamer, const DotDebugLocEntry &Entry);
-
   /// \brief Emit visible names into a debug loc section.
   void emitDebugLoc();
 
@@ -761,6 +758,15 @@ public:
   /// Returns the section symbol for the .debug_loc section.
   MCSymbol *getDebugLocSym() const { return DwarfDebugLocSectionSym; }
 
+  /// Returns the entries for the .debug_loc section.
+  const SmallVectorImpl<DotDebugLocEntry> &getDebugLocEntries() const {
+    return DotDebugLocEntries;
+  }
+
+  /// \brief Emit an entry for the debug loc section. This can be used to
+  /// handle an entry that's going to be emitted into the debug loc section.
+  void emitDebugLocEntry(ByteStreamer &Streamer, const DotDebugLocEntry &Entry);
+
   /// Find the MDNode for the given reference.
   template <typename T> T resolve(DIRef<T> Ref) const {
     return Ref.resolve(TypeIdentifierMap);