+static cl::opt<bool>
+ShowAnnotations("show-annotations",
+ cl::desc("Add informational comments to the .ll file"));
+
+namespace {
+
+class CommentWriter : public AssemblyAnnotationWriter {
+public:
+ void emitFunctionAnnot(const Function *F,
+ formatted_raw_ostream &OS) {
+ OS << "; [#uses=" << F->getNumUses() << ']'; // Output # uses
+ OS << '\n';
+ }
+ void printInfoComment(const Value &V, formatted_raw_ostream &OS) {
+ if (V.getType()->isVoidTy()) return;
+
+ OS.PadToColumn(50);
+ OS << "; [#uses=" << V.getNumUses() << ']'; // Output # uses
+ }
+};
+
+} // end anon namespace
+