diff --git a/lib/Bitcode/Reader/BitReader.cpp b/lib/Bitcode/Reader/BitReader.cpp
index f513d41..32b97e8 100644
--- a/lib/Bitcode/Reader/BitReader.cpp
+++ b/lib/Bitcode/Reader/BitReader.cpp
@@ -18,9 +18,9 @@
 
 /* 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,
-                     LLVMModuleRef *OutModule, char **OutMessage) {
+   Optionally returns a human-readable error message via OutMessage. */
+LLVMBool LLVMParseBitcode(LLVMMemoryBufferRef MemBuf,
+                          LLVMModuleRef *OutModule, char **OutMessage) {
   std::string Message;
   
   *OutModule = wrap(ParseBitcodeFile(unwrap(MemBuf), getGlobalContext(),  
@@ -34,9 +34,10 @@
   return 0;
 }
 
-int LLVMParseBitcodeInContext(LLVMContextRef ContextRef,
-                              LLVMMemoryBufferRef MemBuf,
-                              LLVMModuleRef *OutModule, char **OutMessage) {
+LLVMBool LLVMParseBitcodeInContext(LLVMContextRef ContextRef,
+                                   LLVMMemoryBufferRef MemBuf,
+                                   LLVMModuleRef *OutModule,
+                                   char **OutMessage) {
   std::string Message;
   
   *OutModule = wrap(ParseBitcodeFile(unwrap(MemBuf), *unwrap(ContextRef),
@@ -53,9 +54,9 @@
 /* Reads a module from the specified path, returning via the OutModule 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,
-                                 LLVMModuleProviderRef *OutMP,
-                                  char **OutMessage) {
+LLVMBool LLVMGetBitcodeModuleProvider(LLVMMemoryBufferRef MemBuf,
+                                      LLVMModuleProviderRef *OutMP,
+                                      char **OutMessage) {
   std::string Message;
 
   *OutMP = wrap(getBitcodeModuleProvider(unwrap(MemBuf), getGlobalContext(), 
@@ -70,10 +71,10 @@
   return 0;
 }
 
-int LLVMGetBitcodeModuleProviderInContext(LLVMContextRef ContextRef,
-                                          LLVMMemoryBufferRef MemBuf,
-                                          LLVMModuleProviderRef *OutMP,
-                                          char **OutMessage) {
+LLVMBool LLVMGetBitcodeModuleProviderInContext(LLVMContextRef ContextRef,
+                                               LLVMMemoryBufferRef MemBuf,
+                                               LLVMModuleProviderRef *OutMP,
+                                               char **OutMessage) {
   std::string Message;
   
   *OutMP = wrap(getBitcodeModuleProvider(unwrap(MemBuf), *unwrap(ContextRef),