cargo-show-asm
A cargo subcommand to display assembly, LLVM-IR, MIR, and WASM generated for Rust code.
What is cargo-show-asm?
cargo-show-asm is a Cargo subcommand that displays the low-level code generated by the Rust compiler, including assembly, LLVM-IR, MIR, and WebAssembly. It helps developers understand how their Rust code translates to machine code, enabling performance optimization and debugging of compilation behavior. The tool addresses the need for visibility into compiler output without the overhead of manual inspection.
Rust developers working on performance-critical applications, compiler enthusiasts, and those needing to debug or optimize generated code. It's particularly useful for systems programmers, embedded developers, and anyone investigating compiler behavior or WebAssembly output.
Developers choose cargo-show-asm because it provides accurate, fast analysis without forcing recompilation, supports multiple output formats and architectures, and offers clean, customizable output. It's a maintained alternative to cargo-asm with better performance and more features.
Overview
cargo subcommand showing the assembly, LLVM-IR and MIR generated for Rust code
Use Cases
Best For
- Optimizing Rust code by inspecting generated assembly
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