espressif/llvm-project
Jan 2025 – Jan 2025
1 Month active
Languages Used
AssemblyC++
Technical Skills
Code GenerationCompiler DevelopmentDebuggingLow-Level OptimizationTesting
Hua Tian
PROFILE
Hua Tian
Akira Tian focused on enhancing the stability of the Hexagon backend in the espressif/llvm-project repository by addressing a critical crash in the LLVM CodeGen window scheduler. Using C++ and Assembly, Akira identified that stale slot indices during live interval checking led to failures when recycling Machine Instructions. The solution involved updating the slot index map before recycling, ensuring correctness and preventing future regressions. Akira also developed a Hexagon-specific regression test to validate the fix and maintain reliability. This work demonstrated depth in debugging, low-level optimization, and compiler development, prioritizing maintainability and aligning with LLVM CodeGen standards throughout the process.
Overall Statistics
Feature vs Bugs
0%Features
Repository Contributions
1Total
Bugs
1
Commits
1
Features
0
Lines of code
108
Activity Months1
Your Network
271 people
Work History
January 2025
1 Commits
Jan 1, 2025January 2025: Focused on stability and correctness in the LLVM CodeGen backend for Hexagon. Delivered a critical bug fix addressing a crash in the window scheduler caused by stale slot indices during live interval checking. The fix updates the slot index map before recycling Machine Instructions, and includes a Hexagon-specific regression test to prevent reoccurrence. No new features were released this month; the work emphasizes reliability and maintainability of the Hexagon backend.
1 Commits
Jan 1, 2025January 2025: Focused on stability and correctness in the LLVM CodeGen backend for Hexagon. Delivered a critical bug fix addressing a crash in the window scheduler caused by stale slot indices during live interval checking. The fix updates the slot index map before recycling Machine Instructions, and includes a Hexagon-specific regression test to prevent reoccurrence. No new features were released this month; the work emphasizes reliability and maintainability of the Hexagon backend.
January 2025
Activity
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Quality Metrics
Correctness100.0%
Maintainability80.0%
Architecture80.0%
Performance60.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
AssemblyC++
Technical Skills
Code GenerationCompiler DevelopmentDebuggingLow-Level OptimizationTesting
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