[llvm-commits] [llvm] r171821 - in /llvm/trunk: docs/SourceLevelDebugging.rst include/llvm/Support/Dwarf.h lib/IR/DebugInfo.cpp lib/Support/Dwarf.cpp

[Eric Christopher]

Author: echristo
Date: Mon Jan  7 18:16:33 2013
New Revision: 171821

URL: http://llvm.org/viewvc/llvm-project?rev=171821&view=rev
Log:
Remove what appears to be a dead llvm-specific debug tag.

Modified:
    llvm/trunk/docs/SourceLevelDebugging.rst
    llvm/trunk/include/llvm/Support/Dwarf.h
    llvm/trunk/lib/IR/DebugInfo.cpp
    llvm/trunk/lib/Support/Dwarf.cpp

Modified: llvm/trunk/docs/SourceLevelDebugging.rst
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/docs/SourceLevelDebugging.rst?rev=171821&r1=171820&r2=171821&view=diff
==============================================================================
--- llvm/trunk/docs/SourceLevelDebugging.rst (original)
+++ llvm/trunk/docs/SourceLevelDebugging.rst Mon Jan  7 18:16:33 2013
@@ -585,12 +585,10 @@
 
   DW_TAG_auto_variable   = 256
   DW_TAG_arg_variable    = 257
-  DW_TAG_return_variable = 258
 
 An auto variable is any variable declared in the body of the function.  An
 argument variable is any variable that appears as a formal argument to the
-function.  A return variable is used to track the result of a function and has
-no source correspondent.
+function.
 
 The context is either the subprogram or block where the variable is defined.
 Name the source variable name.  Context and line indicate where the variable

Modified: llvm/trunk/include/llvm/Support/Dwarf.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/Dwarf.h?rev=171821&r1=171820&r2=171821&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Support/Dwarf.h (original)
+++ llvm/trunk/include/llvm/Support/Dwarf.h Mon Jan  7 18:16:33 2013
@@ -37,7 +37,7 @@
 namespace dwarf {
 
 //===----------------------------------------------------------------------===//
-// Dwarf constants as gleaned from the DWARF Debugging Information Format V.3
+// Dwarf constants as gleaned from the DWARF Debugging Information Format V.4
 // reference manual http://dwarf.freestandards.org .
 //
 
@@ -50,7 +50,7 @@
 
   DW_TAG_auto_variable = 0x100,         // Tag for local (auto) variables.
   DW_TAG_arg_variable = 0x101,          // Tag for argument variables.
-  DW_TAG_return_variable = 0x102,       // Tag for return variables.
+  // 0x102 - Unused.
   DW_TAG_vector_type = 0x103,           // Tag for vector types.
 
   DW_TAG_user_base = 0x1000,            // Recommended base for user tags.

Modified: llvm/trunk/lib/IR/DebugInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/DebugInfo.cpp?rev=171821&r1=171820&r2=171821&view=diff
==============================================================================
--- llvm/trunk/lib/IR/DebugInfo.cpp (original)
+++ llvm/trunk/lib/IR/DebugInfo.cpp Mon Jan  7 18:16:33 2013
@@ -212,7 +212,6 @@
   switch (getTag()) {
   case dwarf::DW_TAG_auto_variable:
   case dwarf::DW_TAG_arg_variable:
-  case dwarf::DW_TAG_return_variable:
     return true;
   default:
     return false;

Modified: llvm/trunk/lib/Support/Dwarf.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/Dwarf.cpp?rev=171821&r1=171820&r2=171821&view=diff
==============================================================================
--- llvm/trunk/lib/Support/Dwarf.cpp (original)
+++ llvm/trunk/lib/Support/Dwarf.cpp Mon Jan  7 18:16:33 2013
@@ -80,7 +80,6 @@
   case DW_TAG_hi_user:                   return "DW_TAG_hi_user";
   case DW_TAG_auto_variable:             return "DW_TAG_auto_variable";
   case DW_TAG_arg_variable:              return "DW_TAG_arg_variable";
-  case DW_TAG_return_variable:           return "DW_TAG_return_variable";
   case DW_TAG_vector_type:               return "DW_TAG_vector_type";
   case DW_TAG_rvalue_reference_type:     return "DW_TAG_rvalue_reference_type";
   case DW_TAG_template_alias:            return "DW_TAG_template_alias";