Add a C wrapper for accessing the global default context.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74675 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm-c/Core.h b/include/llvm-c/Core.h
index 7019b4c..c022c10 100644
--- a/include/llvm-c/Core.h
+++ b/include/llvm-c/Core.h
@@ -195,6 +195,7 @@
 
 /* Create and destroy contexts. */
 LLVMContextRef LLVMContextCreate();
+LLVMContextRef LLVMGetGlobalContext();
 void LLVMContextDispose(LLVMContextRef C);
 
 /* Create and destroy modules. */ 
diff --git a/lib/VMCore/Core.cpp b/lib/VMCore/Core.cpp
index 9f92e6f..f7fb1bb 100644
--- a/lib/VMCore/Core.cpp
+++ b/lib/VMCore/Core.cpp
@@ -45,6 +45,10 @@
   return wrap(new LLVMContext());
 }
 
+LLVMContextRef LLVMGetGlobalContext() {
+  return wrap(&getGlobalContext());
+}
+
 void LLVMContextDispose(LLVMContextRef C) {
   delete unwrap(C);
 }