[llvm] r177547 - DIBuilder: allow linkage name to be specified for global variables

[David Blaikie]

Author: dblaikie
Date: Wed Mar 20 12:49:48 2013
New Revision: 177547

URL: http://llvm.org/viewvc/llvm-project?rev=177547&view=rev
Log:
DIBuilder: allow linkage name to be specified for global variables

Patch by Kai Nacke (kai at redstar.de)

Modified:
    llvm/trunk/include/llvm/DIBuilder.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=177547&r1=177546&r2=177547&view=diff
==============================================================================
--- llvm/trunk/include/llvm/DIBuilder.h (original)
+++ llvm/trunk/include/llvm/DIBuilder.h Wed Mar 20 12:49:48 2013
@@ -407,6 +407,19 @@ namespace llvm {
     createGlobalVariable(StringRef Name, DIFile File, unsigned LineNo,
                          DIType Ty, bool isLocalToUnit, llvm::Value *Val);
 
+    /// \brief Create a new descriptor for the specified global.
+    /// @param Name        Name of the variable.
+    /// @param LinkageName Mangled variable name.
+    /// @param File        File where this variable is defined.
+    /// @param LineNo      Line number.
+    /// @param Ty          Variable Type.
+    /// @param isLocalToUnit Boolean flag indicate whether this variable is
+    ///                      externally visible or not.
+    /// @param Val         llvm::Value of the variable.
+    DIGlobalVariable
+    createGlobalVariable(StringRef Name, StringRef LinkageName, DIFile File,
+                         unsigned LineNo, DIType Ty, bool isLocalToUnit,
+                         llvm::Value *Val);
 
     /// createStaticVariable - Create a new descriptor for the specified 
     /// variable.

Modified: llvm/trunk/lib/IR/DIBuilder.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/DIBuilder.cpp?rev=177547&r1=177546&r2=177547&view=diff
==============================================================================
--- llvm/trunk/lib/IR/DIBuilder.cpp (original)
+++ llvm/trunk/lib/IR/DIBuilder.cpp Wed Mar 20 12:49:48 2013
@@ -773,17 +773,18 @@ DISubrange DIBuilder::getOrCreateSubrang
   return DISubrange(MDNode::get(VMContext, Elts));
 }
 
-/// createGlobalVariable - Create a new descriptor for the specified global.
+/// \brief Create a new descriptor for the specified global.
 DIGlobalVariable DIBuilder::
-createGlobalVariable(StringRef Name, DIFile F, unsigned LineNumber,
-                     DIType Ty, bool isLocalToUnit, Value *Val) {
+createGlobalVariable(StringRef Name, StringRef LinkageName, DIFile F,
+                     unsigned LineNumber, DIType Ty, bool isLocalToUnit,
+                     Value *Val) {
   Value *Elts[] = {
     GetTagConstant(VMContext, dwarf::DW_TAG_variable),
     Constant::getNullValue(Type::getInt32Ty(VMContext)),
     NULL, // TheCU,
     MDString::get(VMContext, Name),
     MDString::get(VMContext, Name),
-    MDString::get(VMContext, Name),
+    MDString::get(VMContext, LinkageName),
     F,
     ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
     Ty,
@@ -797,6 +798,14 @@ createGlobalVariable(StringRef Name, DIF
   return DIGlobalVariable(Node);
 }
 
+/// \brief Create a new descriptor for the specified global.
+DIGlobalVariable DIBuilder::
+createGlobalVariable(StringRef Name, DIFile F, unsigned LineNumber,
+                     DIType Ty, bool isLocalToUnit, Value *Val) {
+  return createGlobalVariable(Name, Name, F, LineNumber, Ty, isLocalToUnit,
+                              Val);
+}
+
 /// createStaticVariable - Create a new descriptor for the specified static
 /// variable.
 DIGlobalVariable DIBuilder::