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...actice. For example, instrumenting every load or store with a call to a run-time function to print the accessed address is pretty simple. -- John T. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20131006/f90feb67/attachment.html>

Hello, I am a beginner in LLVM development with the aim of writing a new optimization pass. But then before I could do that, I thought of writing simple passes. I could successfully implement the Hello pass as given in the doc. Then I wrote a simple Constant Folding pass - evaluate instructions of the form c=10+20 and replace all uses of c with 30. Only later did I realize that Clang does this