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/include/llvm-c/BitReader.h b/include/llvm-c/BitReader.h
index e30b431..4284d7d 100644
--- a/include/llvm-c/BitReader.h
+++ b/include/llvm-c/BitReader.h
@@ -29,13 +29,14 @@
 /* Builds a module from the bitcode in the specified memory buffer, returning a
    reference to the module via the OutModule parameter. Returns 0 on success.
    Optionally returns a human-readable error message via OutMessage. */ 
-int LLVMParseBitcode(LLVMMemoryBufferRef MemBuf,
+int LLVMParseBitcode(LLVMMemoryBufferRef MemBuf, LLVMContextRef ContextRef,
                      LLVMModuleRef *OutModule, char **OutMessage);
 
 /* Reads a module from the specified path, returning via the OutMP parameter
    a module provider which performs lazy deserialization. Returns 0 on success.
    Optionally returns a human-readable error message via OutMessage. */ 
 int LLVMGetBitcodeModuleProvider(LLVMMemoryBufferRef MemBuf,
+                                 LLVMContextRef ContextRef,
                                  LLVMModuleProviderRef *OutMP,
                                  char **OutMessage);