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Mikhail R. Gadelha

PROFILE

Mikhail R. Gadelha

Mikhail contributed to esbmc/esbmc and espressif/llvm-project, focusing on cross-platform robustness, build stability, and vectorization improvements. He enhanced esbmc’s HTML reporting and execution engine, refactored test infrastructure, and resolved compatibility issues with Clang 18+, using C++ and LLVM IR to improve debugging and portability. In espressif/llvm-project, Mikhail addressed RISC-V backend issues by removing problematic static assertions, adding null-pointer checks to prevent crashes, and enabling vrgather optimizations for vector instructions. His work demonstrated depth in compiler development, low-level systems programming, and static analysis, resulting in more reliable builds, safer code paths, and clearer outputs for stakeholders and CI systems.

Overall Statistics

Feature vs Bugs

17%Features

Repository Contributions

14Total
Bugs
10
Commits
14
Features
2
Lines of code
1,601
Activity Months2

Work History

January 2025

4 Commits • 1 Features

Jan 1, 2025

Summary for 2025-01: Focused RISCV backend work in espressif/llvm-project delivering build stability, safety, and vectorization improvements. Key outcomes include enabling vrgather for in-bounds constant indices via a refactor of matchSplatAsGather, fixing rv32 builds by removing a static_assert in dup2.cpp, adding a null-pointer check in RISCV lowering to prevent potential clang crashes, and introducing a regression test for PR119527 to cover 32-bit to 64-bit promotion (add_shl_sext). These changes reduce CI flakiness, harden the toolchain, and improve correctness of vector code paths. Technologies demonstrated: C++, LLVM, RISCV backend development, regression testing, and vectorization.

December 2024

10 Commits • 1 Features

Dec 1, 2024

December 2024: Delivered cross-platform robustness and improved reporting for esbmc/esbmc. Implemented HTML report improvements, reinforced execution engine stability (breakpoints and recursion), cleaned test infrastructure, and fixed build issues across Clang 18+. Resulting changes reduce debugging time, improve portability, and deliver clearer, more actionable outputs for stakeholders.

Activity

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Quality Metrics

Correctness90.0%
Maintainability91.4%
Architecture88.6%
Performance85.8%
AI Usage20.0%

Skills & Technologies

Programming Languages

C++LLVM IR

Technical Skills

Build SystemBuild SystemsC++C++ DevelopmentC++ ParsingCode ImprovementCode RefactoringCompiler DevelopmentData Type OptimizationDebuggingError HandlingLoggingLow-Level OptimizationLow-Level Systems ProgrammingLow-level Programming

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

esbmc/esbmc

Dec 2024 Dec 2024
1 Month active

Languages Used

C++

Technical Skills

Build SystemBuild SystemsC++C++ DevelopmentC++ ParsingCode Improvement

espressif/llvm-project

Jan 2025 Jan 2025
1 Month active

Languages Used

C++LLVM IR

Technical Skills

Build SystemsC++ DevelopmentCompiler DevelopmentLow-Level OptimizationLow-Level Systems ProgrammingRISC-V Architecture