Google announces JSIR, a high-level intermediate representation for JavaScript built on MLIR. The tool enables control flow and dataflow analysis for complex transformations while preserving complete AST information. Already deployed in production at Google, it's now available open source.
Infrastructure
JSIR: A High-Level IR for JavaScript
Google open-sources JSIR, an MLIR-backed intermediate representation enabling advanced control-flow and dataflow analysis for JavaScript transformations while preserving full AST information.
Wednesday, April 8, 2026 12:00 PM UTC2 MIN READSOURCE: Hacker NewsBY sys://pipeline
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