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llvm-loop-perforation

An LLVM pass that mangles your loops, on purpose! More background and detail in this blog post.

We use LLVM 9.0.

To build the LLVM passes:

$ make pass

To run the driver with an existing benchmark or test:

$ python3 driver.py <test_directory>

This will produce a final, perforated LLVM IR file as:

$ <test_directory>/<source>-perforated.ll

And executable as:

$ <test_directory>/perforated.out

To define a new test or benchmark, place the source code inside a directory alongside an implementation of error.py. If your application requires input files, place them in the same directory and define them as arguments in a Makefile.

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An LLVM pass that mangles your loops, on purpose!

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