Xilinx/llvm-aie
Jul 2025 – Apr 2026
3 Months active
Languages Used
C++LLVM IRTableGenMir
Technical Skills
Assembly LanguageCompiler DevelopmentLLVM IRLow-Level OptimizationLow-Level ProgrammingTableGen
Alexandre Isoard
PROFILE
Alexandre Isoard
Contributed to the Xilinx/llvm-aie repository by developing and refining core compiler features and test infrastructure over three months. Focused on low-level programming and compiler development using C++, LLVM IR, and TableGen, the work included stabilizing test suites for evolving AIE2P/Strix support, refactoring spill code for register management, and enhancing memory promotion for SSA correctness. Addressed bugs in code generation and test reliability, improved handling of register copies and lifetime semantics, and implemented targeted optimizations for scalable-vector allocation. These efforts reduced test flakiness, improved codegen correctness, and streamlined downstream optimizations, supporting robust hardware architecture and faster validation cycles.
Overall Statistics
Feature vs Bugs
38%Features
Repository Contributions
15Total
Bugs
5
Commits
15
Features
3
Lines of code
621
Activity Months3
Your Network
2295 peopleSame Organization
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Work History
April 2026
3 Commits • 2 Features
Apr 1, 2026April 2026 monthly summary: Delivered core register handling improvement, memory promotion enhancements, and lifetime semantics fixes for Xilinx/llvm-aie, delivering tangible performance and correctness gains across AIE2PS, SSA promotion, and inout parameter handling. These changes reduce phi-Node clutter, improve scalable-vector allocation handling, and ensure proper lifetime semantics for inout arguments, contributing to more robust codegen and downstream optimizations.
3 Commits • 2 Features
Apr 1, 2026April 2026 monthly summary: Delivered core register handling improvement, memory promotion enhancements, and lifetime semantics fixes for Xilinx/llvm-aie, delivering tangible performance and correctness gains across AIE2PS, SSA promotion, and inout parameter handling. These changes reduce phi-Node clutter, improve scalable-vector allocation handling, and ensure proper lifetime semantics for inout arguments, contributing to more robust codegen and downstream optimizations.
April 2026
March 2026
2 Commits • 1 Features
Mar 1, 2026March 2026 monthly summary for Xilinx/llvm-aie focusing on delivering high-value features, stabilizing the AIE2PS code generation path, and strengthening the codebase through targeted fixes and tests.
March 2026
2 Commits • 1 Features
Mar 1, 2026March 2026 monthly summary for Xilinx/llvm-aie focusing on delivering high-value features, stabilizing the AIE2PS code generation path, and strengthening the codebase through targeted fixes and tests.
July 2025
10 Commits
Jul 1, 2025July 2025 monthly summary focusing on stabilizing the LLVM-AIE test suites and aligning expectations with evolving AIE2P/Strix support. Delivered targeted bug fixes across TableGen/GlobalISel, improved test suite accuracy for AIE2P/Strix, and corrected LICM tests for AMDGPU. These changes reduce test flakiness, increase confidence in codegen correctness, and prepare the project for broader Strix/AIE2P adoption, delivering business value through faster validation and lower maintenance costs.
10 Commits
Jul 1, 2025July 2025 monthly summary focusing on stabilizing the LLVM-AIE test suites and aligning expectations with evolving AIE2P/Strix support. Delivered targeted bug fixes across TableGen/GlobalISel, improved test suite accuracy for AIE2P/Strix, and corrected LICM tests for AMDGPU. These changes reduce test flakiness, increase confidence in codegen correctness, and prepare the project for broader Strix/AIE2P adoption, delivering business value through faster validation and lower maintenance costs.
July 2025
Activity
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Quality Metrics
Correctness92.0%
Maintainability89.4%
Architecture92.0%
Performance85.4%
AI Usage22.6%
Skills & Technologies
Programming Languages
C++LLVM IRMirTableGen
Technical Skills
Assembly LanguageC++ programmingCompiler DevelopmentHLSLLLVMLLVM IRLow-Level OptimizationLow-Level ProgrammingTableGenTestingcode generationcompiler designcompiler developmenthardware architecturelow-level programming
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