Igor Kudrin
Software Developer at Access Softek
Greater Vancouver Metropolitan Area Canada
Summary
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Rockstar🎓
Top SchoolIgor Kudrin is a seasoned software developer with over 10 years of experience building and hardening low-level compiler backends and debugging toolchains from the Greater Vancouver area. He has contributed notable patches to the widely used LLVM project—improving DWARF debug-info handling, enabling 64-bit offsets, and refining AArch64 code generation and pointer authentication—work that improves correctness and reduces binary size. He combines deep systems-level expertise with practical engineering discipline honed across long tenures at Access Softek, DoubleGIS, and DataEast. Colleagues rely on him for bug-forensics and subtle refactors that make compilers and debuggers more robust, and he often focuses on edge cases such as platform-specific line endings and reserved-value handling that are easy to miss but critical in production.
10 years of coding experience
12 years of employment as a software developer
Novosibirsk State Technical University (NSTU)
Russian, English, Esperanto
Stackoverflow
185reputation
91kreached
5answers
0questions
Github Skills (22)
debugging10
assembly10
c-language10
dwarf10
llvm10
assemble10
assembler10
cprogramming-language10
executable9
elf9
data-structures8
data-structure8
linker8
script8
scripting8
Programming languages (5)
Github contributions (5)
apple/swift-llvm
Feb 2017 - Aug 2019
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 commits in 2 years 5 months
Contributions summary:Igor's contributions center on debugging and enhancing the DWARF (Debug With Attribute Record Format) debugging information implementation within the LLVM project. They addressed issues related to handling Windows line endings when parsing demangled symbols, as well as adding constants for reserved values and fixing inconsistencies. Furthermore, they refactored code to support 64-bit offsets, ensuring compatibility and preparing for full 64-bit DWARF support. These changes touched upon multiple source files related to DWARF processing, including header and source files.
llvm/llvm-project
Dec 2021 - Dec 2021
The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.
Role in this project:Backend Developer
Backend DeveloperContributions:107 reviews, 1 commit, 118 PRs in 1 day
Contributions summary:Igor primarily contributed to the LLVM project's AArch64 architecture support, focusing on code generation and pointer authentication features. Their work involved fixing bugs related to check instructions and CFI generation, optimizing existing code, and reducing the size of synchronous CFI. They also addressed linker script issues and re-enabled previously disabled tests within the codebase, focusing on correctness and efficiency of the compiler's backend.
compilerllvmtoolchain
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