[llvm] r175933 - Add a field to the compile unit of where we plan on splitting out

[Eric Christopher]

Author: echristo
Date: Fri Feb 22 17:50:04 2013
New Revision: 175933

URL: http://llvm.org/viewvc/llvm-project?rev=175933&view=rev
Log:
Add a field to the compile unit of where we plan on splitting out
the debug info for -gsplit-dwarf so we can encode that location
in the skeleton cu.

Modified:
    llvm/trunk/include/llvm/DIBuilder.h
    llvm/trunk/include/llvm/DebugInfo.h
    llvm/trunk/lib/IR/DIBuilder.cpp

Modified: llvm/trunk/include/llvm/DIBuilder.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/DIBuilder.h?rev=175933&r1=175932&r2=175933&view=diff
==============================================================================
--- llvm/trunk/include/llvm/DIBuilder.h (original)
+++ llvm/trunk/include/llvm/DIBuilder.h Fri Feb 22 17:50:04 2013
@@ -91,9 +91,12 @@ namespace llvm {
     ///                 by a tool analyzing generated debugging information.
     /// @param RV       This indicates runtime version for languages like 
     ///                 Objective-C.
+    /// @param SplitName The name of the file that we'll split debug info out
+    ///                  into.
     void createCompileUnit(unsigned Lang, StringRef File, StringRef Dir, 
-                           StringRef Producer,
-                           bool isOptimized, StringRef Flags, unsigned RV);
+                           StringRef Producer, bool isOptimized,
+                           StringRef Flags, unsigned RV,
+                           StringRef SplitName = StringRef());
 
     /// createFile - Create a file descriptor to hold debugging information
     /// for a file.

Modified: llvm/trunk/include/llvm/DebugInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/DebugInfo.h?rev=175933&r1=175932&r2=175933&view=diff
==============================================================================
--- llvm/trunk/include/llvm/DebugInfo.h (original)
+++ llvm/trunk/include/llvm/DebugInfo.h Fri Feb 22 17:50:04 2013
@@ -203,6 +203,8 @@ namespace llvm {
     DIArray getSubprograms() const;
     DIArray getGlobalVariables() const;
 
+    StringRef getSplitDebugFilename() const { return getStringField(14); }
+
     /// Verify - Verify that a compile unit is well formed.
     bool Verify() const;
   };

Modified: llvm/trunk/lib/IR/DIBuilder.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/DIBuilder.cpp?rev=175933&r1=175932&r2=175933&view=diff
==============================================================================
--- llvm/trunk/lib/IR/DIBuilder.cpp (original)
+++ llvm/trunk/lib/IR/DIBuilder.cpp Fri Feb 22 17:50:04 2013
@@ -76,7 +76,7 @@ static MDNode *getNonCompileUnitScope(MD
 void DIBuilder::createCompileUnit(unsigned Lang, StringRef Filename,
                                   StringRef Directory, StringRef Producer,
                                   bool isOptimized, StringRef Flags,
-                                  unsigned RunTimeVer) {
+                                  unsigned RunTimeVer, StringRef SplitName) {
   assert(((Lang <= dwarf::DW_LANG_Python && Lang >= dwarf::DW_LANG_C89) ||
           (Lang <= dwarf::DW_LANG_hi_user && Lang >= dwarf::DW_LANG_lo_user)) &&
          "Invalid Language tag");
@@ -106,7 +106,8 @@ void DIBuilder::createCompileUnit(unsign
     TempEnumTypes,
     TempRetainTypes,
     TempSubprograms,
-    TempGVs
+    TempGVs,
+    MDString::get(VMContext, SplitName)
   };
   TheCU = DICompileUnit(MDNode::get(VMContext, Elts));