[llc] Remove unused GetOutputStream params (llvm#167949)

(cherry-pick d68c71e)

Author: tomershafir

llvm/tools/llc/llc.cpp

@@ -287,9 +287,7 @@ static int compileModule(char **argv, LLVMContext &Context,
   llvm_unreachable("reportError() should not return");
 }
 
-static std::unique_ptr<ToolOutputFile> GetOutputStream(const char *TargetName,
-                                                       Triple::OSType OS,
-                                                       const char *ProgName) {
+static std::unique_ptr<ToolOutputFile> GetOutputStream(Triple::OSType OS) {
   // If we don't yet have an output filename, make one.
   if (OutputFilename.empty()) {
     if (InputFilename == "-")
@@ -681,9 +679,9 @@ static int compileModule(char **argv, LLVMContext &Context,
     Target->Options.FloatABIType = codegen::getFloatABIForCalls();
 
   // Figure out where we are going to send the output.
-  std::unique_ptr<ToolOutputFile> Out =
-      GetOutputStream(TheTarget->getName(), TheTriple.getOS(), argv[0]);
-  if (!Out) return 1;
+  std::unique_ptr<ToolOutputFile> Out = GetOutputStream(TheTriple.getOS());
+  if (!Out)
+    return 1;
 
   // Ensure the filename is passed down to CodeViewDebug.
   Target->Options.ObjectFilenameForDebug = Out->outputFilename();