Kotlin Multiplatform iOS compilation pipeline diagram

How Does Kotlin Code Actually Run on iPhone? The KMP Compilation Pipeline Explained

Kotlin Multiplatform (KMP) compiles Kotlin code into native iOS ARM64 machine code through Kotlin/Native and LLVM. This article breaks down the full 7-step compilation pipeline from Kotlin source to LLVM IR, Objective-C bridging, and Swift interop, with performance insights and build optimization tips.

February 19, 2026 · 10 min · 1962 words · Rex Programming
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