Add support for compressed bytecode


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17535 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-as/llvm-as.cpp b/tools/llvm-as/llvm-as.cpp
index 1d48f7a..edefe69 100644
--- a/tools/llvm-as/llvm-as.cpp
+++ b/tools/llvm-as/llvm-as.cpp
@@ -40,6 +40,9 @@
 static cl::opt<bool>
 DumpAsm("d", cl::desc("Print assembly as parsed"), cl::Hidden);
 
+static cl::opt<bool> Compress("compress", cl::Optional,
+       cl::desc("Compress the generated bytecode"));
+
 static cl::opt<bool>
 DisableVerify("disable-verify", cl::Hidden,
               cl::desc("Do not run verifier on input LLVM (dangerous!)"));
@@ -119,7 +122,7 @@
       return 1;
     }
    
-    WriteBytecodeToFile(M.get(), *Out);
+    WriteBytecodeToFile(M.get(), *Out, Compress);
   } catch (const ParseException &E) {
     std::cerr << argv[0] << ": " << E.getMessage() << "\n";
     return 1;