Date of Original Version

4-2002

Type

Technical Report

Rights Management

All Rights Reserved

Abstract or Description

We present Pegasus, a compact and expressive intermediate representation for imperative languages. The representation is suitable for target architectures supporting predicated execution and aggressive speculation. In Pegasus information about the global dataflow of the program is encoded in local structures, enabling compact and efficient algorithms for program optimizations. As a proof of the versatility of Pegasus, we have used it in a compiler translating C programs to hardware implementations.

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