bricks: Update LLVM bricks to build with LLVM version 7.

bricks/brick-llvm

@@ -235,7 +235,7 @@ inline void writeModule( ::llvm::Module *m, std::string out ) {
     ::llvm::raw_fd_ostream fs( out.c_str(), serr, ::llvm::sys::fs::F_None );
     if ( serr )
         _throwLLVMError( serr );
-    WriteBitcodeToFile( m, fs );
+    WriteBitcodeToFile( *m, fs );
 }
 
 inline std::string getModuleBytes( ::llvm::Module *m ) {
@@ -243,7 +243,7 @@ inline std::string getModuleBytes( ::llvm::Module *m ) {
     verifyModule( *m );
     {
         ::llvm::raw_string_ostream fs( s );
-        WriteBitcodeToFile( m, fs );
+        WriteBitcodeToFile( *m, fs );
     }
     return s;
 }

bricks/brick-llvm-link

@@ -115,7 +115,7 @@ inline void writeArchive( It begin, It end, std::string out )
             throw std::runtime_error( "member " + bc.second + " multiply defined creating " + out );
 
         ::llvm::raw_string_ostream stream( bc.first );
-        ::llvm::WriteBitcodeToFile( mod.get(), stream );
+        ::llvm::WriteBitcodeToFile( *mod.get(), stream );
         stream.flush();
 
         members.emplace_back( ::llvm::MemoryBufferRef( bc.first, bc.second ) );
@@ -330,7 +330,7 @@ struct Linker {
     using StringRef = ::llvm::StringRef;
 
     void link( Module &src ) {
-        return link( std::unique_ptr< Module >( ::llvm::CloneModule( &src ) ) );
+        return link( std::unique_ptr< Module >( ::llvm::CloneModule( src ) ) );
     }
 
     void link_decls( std::unique_ptr< Module > src )
@@ -461,7 +461,7 @@ struct Linker {
 
     template< typename It >
     static std::unique_ptr< Module > _takeModule( It it ) {
-        return std::unique_ptr< Module >( ::llvm::CloneModule( *it ) );
+        return std::unique_ptr< Module >( ::llvm::CloneModule( **it ) );
     }
 
     static std::unique_ptr< Module > _takeModule( ArchiveReader::BitcodeIterator &bcit ) {