1 files changed, 13 insertions, 1 deletions
diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp
index bc9ddbb392..3063e5e1ef 100644
--- a/lib/CodeGen/LLVMTargetMachine.cpp
+++ b/lib/CodeGen/LLVMTargetMachine.cpp
@@ -62,6 +62,18 @@ static cl::opt<bool> VerifyMachineCode("verify-machineinstrs", cl::Hidden,
     cl::desc("Verify generated machine code"),
     cl::init(getenv("LLVM_VERIFY_MACHINEINSTRS")!=NULL));
 
+static cl::opt<cl::boolOrDefault>
+AsmVerbose("asm-verbose", cl::desc("Add comments to directives."),
+           cl::init(cl::BOU_UNSET));
+
+static bool getVerboseAsm(bool VDef) {
+  switch (AsmVerbose) {
+    default:
+    case cl::BOU_UNSET: return VDef;
+    case cl::BOU_TRUE:  return true;
+    case cl::BOU_FALSE: return false;
+  }      
+}
 
 // Enable or disable FastISel. Both options are needed, because
 // FastISel is enabled by default with -fast, and we wish to be
@@ -111,7 +123,7 @@ LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
   case CGFT_AssemblyFile: {
     FunctionPass *Printer =
       getTarget().createAsmPrinter(Out, *this, getMCAsmInfo(),
-                                   getAsmVerbosityDefault());
+                                   getVerboseAsm(getAsmVerbosityDefault()));
     if (Printer == 0) return CGFT_ErrorOccurred;
     PM.add(Printer);
     break;