Clang/LLVM overview

Compilers are complex programs with complex requirements. The two most widespread C compilers, GCC and Clang/LLVM, are 10–15 million lines of code behemoths, designed to produce optimal machine code for whatever arbitrary target the user desires. In this blog post I’m going to give an overview of how the Clang/LLVM C compiler works; from processing the source code to writing native binaries.

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