================
@@ -12,12 +12,33 @@
//===----------------------------------------------------------------------===//
#include "llvm/Transforms/Instrumentation.h"
+#include "llvm/IR/DiagnosticInfo.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Module.h"
#include "llvm/TargetParser/Triple.h"
using namespace llvm;
+static cl::opt<bool> ClIgnoreRedundantInstrumentation(
+ "ignore-redundant-instrumentation",
+ cl::desc("Ignore redundant instrumentation"), cl::Hidden, cl::init(false));
+
+/// Check if module has flag attached, if not add the flag.
+bool llvm::checkIfAlreadyInstrumented(Module &M, StringRef flag) {
----------------
nikic wrote:
```suggestion
bool llvm::checkIfAlreadyInstrumented(Module &M, StringRef Flag) {
```
https://github.com/llvm/llvm-project/pull/99439
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