Add a pointer to the owning LLVMContext to Module.  This requires threading LLVMContext through a lot
of the bitcode reader and ASM parser APIs, as well as supporting it in all of the tools.

Patches for Clang and LLVM-GCC to follow.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74614 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/lto/LTOModule.cpp b/tools/lto/LTOModule.cpp
index 939d0ea..64e7950 100644
--- a/tools/lto/LTOModule.cpp
+++ b/tools/lto/LTOModule.cpp
@@ -15,6 +15,7 @@
 #include "LTOModule.h"
 
 #include "llvm/Constants.h"
+#include "llvm/LLVMContext.h"
 #include "llvm/Module.h"
 #include "llvm/ModuleProvider.h"
 #include "llvm/ADT/OwningPtr.h"
@@ -67,7 +68,8 @@
 // takes ownership of buffer
 bool LTOModule::isTargetMatch(MemoryBuffer* buffer, const char* triplePrefix)
 {
-    OwningPtr<ModuleProvider> mp(getBitcodeModuleProvider(buffer));
+    OwningPtr<ModuleProvider> mp(getBitcodeModuleProvider(buffer,
+                                                          new LLVMContext()));
     // on success, mp owns buffer and both are deleted at end of this method
     if ( !mp ) {
         delete buffer;
@@ -84,12 +86,13 @@
 {
 }
 
-LTOModule* LTOModule::makeLTOModule(const char* path, std::string& errMsg)
+LTOModule* LTOModule::makeLTOModule(const char* path, LLVMContext* Context,
+                                    std::string& errMsg)
 {
     OwningPtr<MemoryBuffer> buffer(MemoryBuffer::getFile(path, &errMsg));
     if ( !buffer )
         return NULL;
-    return makeLTOModule(buffer.get(), errMsg);
+    return makeLTOModule(buffer.get(), Context, errMsg);
 }
 
 /// makeBuffer - create a MemoryBuffer from a memory range.
@@ -109,12 +112,13 @@
 
 
 LTOModule* LTOModule::makeLTOModule(const void* mem, size_t length, 
+                                    LLVMContext* Context,
                                     std::string& errMsg)
 {
     OwningPtr<MemoryBuffer> buffer(makeBuffer(mem, length));
     if ( !buffer )
         return NULL;
-    return makeLTOModule(buffer.get(), errMsg);
+    return makeLTOModule(buffer.get(), Context, errMsg);
 }
 
 /// getFeatureString - Return a string listing the features associated with the
@@ -136,10 +140,11 @@
   return Features.getString();
 }
 
-LTOModule* LTOModule::makeLTOModule(MemoryBuffer* buffer, std::string& errMsg)
+LTOModule* LTOModule::makeLTOModule(MemoryBuffer* buffer, LLVMContext* Context,
+                                    std::string& errMsg)
 {
     // parse bitcode buffer
-    OwningPtr<Module> m(ParseBitcodeFile(buffer, &errMsg));
+    OwningPtr<Module> m(ParseBitcodeFile(buffer, Context, &errMsg));
     if ( !m )
         return NULL;
     // find machine architecture for this module