diff --git a/include/llvm-c/BitReader.h b/include/llvm-c/BitReader.h
index 5dce27eb23b..a184f609d6b 100644
--- a/include/llvm-c/BitReader.h
+++ b/include/llvm-c/BitReader.h
@@ -32,8 +32,8 @@ extern "C" {
 int LLVMParseBitcode(LLVMMemoryBufferRef MemBuf,
                      LLVMModuleRef *OutModule, char **OutMessage);
 
-int LLVMParseBitcodeInContext(LLVMMemoryBufferRef MemBuf,
-                              LLVMContextRef ContextRef,
+int LLVMParseBitcodeInContext(LLVMContextRef ContextRef,
+                              LLVMMemoryBufferRef MemBuf,
                               LLVMModuleRef *OutModule, char **OutMessage);
 
 /* Reads a module from the specified path, returning via the OutMP parameter
@@ -43,8 +43,8 @@ int LLVMGetBitcodeModuleProvider(LLVMMemoryBufferRef MemBuf,
                                  LLVMModuleProviderRef *OutMP,
                                  char **OutMessage);
 
-int LLVMGetBitcodeModuleProviderInContext(LLVMMemoryBufferRef MemBuf,
-                                          LLVMContextRef ContextRef,
+int LLVMGetBitcodeModuleProviderInContext(LLVMContextRef ContextRef,
+                                          LLVMMemoryBufferRef MemBuf,
                                           LLVMModuleProviderRef *OutMP,
                                           char **OutMessage);
 
diff --git a/lib/Bitcode/Reader/BitReader.cpp b/lib/Bitcode/Reader/BitReader.cpp
index e5b8f7c7685..f513d41ce3b 100644
--- a/lib/Bitcode/Reader/BitReader.cpp
+++ b/lib/Bitcode/Reader/BitReader.cpp
@@ -34,12 +34,12 @@ int LLVMParseBitcode(LLVMMemoryBufferRef MemBuf,
   return 0;
 }
 
-int LLVMParseBitcodeInContext(LLVMMemoryBufferRef MemBuf,
-                              LLVMContextRef ContextRef,
+int LLVMParseBitcodeInContext(LLVMContextRef ContextRef,
+                              LLVMMemoryBufferRef MemBuf,
                               LLVMModuleRef *OutModule, char **OutMessage) {
   std::string Message;
   
-  *OutModule = wrap(ParseBitcodeFile(unwrap(MemBuf), *unwrap(ContextRef),  
+  *OutModule = wrap(ParseBitcodeFile(unwrap(MemBuf), *unwrap(ContextRef),
                                      &Message));
   if (!*OutModule) {
     if (OutMessage)
@@ -70,13 +70,13 @@ int LLVMGetBitcodeModuleProvider(LLVMMemoryBufferRef MemBuf,
   return 0;
 }
 
-int LLVMGetBitcodeModuleProviderInContext(LLVMMemoryBufferRef MemBuf,
-                                          LLVMContextRef ContextRef,
+int LLVMGetBitcodeModuleProviderInContext(LLVMContextRef ContextRef,
+                                          LLVMMemoryBufferRef MemBuf,
                                           LLVMModuleProviderRef *OutMP,
                                           char **OutMessage) {
   std::string Message;
   
-  *OutMP = wrap(getBitcodeModuleProvider(unwrap(MemBuf), *unwrap(ContextRef), 
+  *OutMP = wrap(getBitcodeModuleProvider(unwrap(MemBuf), *unwrap(ContextRef),
                                          &Message));
   if (!*OutMP) {
     if (OutMessage)