IR optimizer and lowerer
Pykit is a package for a pluggable intermediate representation, that is higher level and easier to use than LLVM. It allows pluggable compiler optimizations and custom opcodes, and aims to abstract over backends (e.g. C or LLVM), IR serialization and caching, debug information. exception handling and potentially GC root finding.
Pykit ships with a builtin set of opcodes, and has an IR verifier and interpreter for that set of operations. The IR is a function of basic blocks containing instructions (operations), similar to three-address code. It supports builtin variables and explicit SSA instructions through the dataflow and reg2mem passes.
Although pykit ships with builtin opcodes and passes, one is entirely free to use a custom set of opcodes, types and transformations.
- lowers and optimizes intermediate code
- tries to be independent from platform or high-level language
- can generate LLVM or C89 out of the box
- todo: finish C codegen :)
- supports pluggable opcodes
- has a number of builtin optimizations and transformations
- has a builtin set of goodies to work with the IR
- builder, interpreter, verifier
- supports float and complex math functions through llvmmath
pykit is inspired by VMKit and LLVM.
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