Shoe White Fastpitch MIZD9 3 Softball Women's Elite 9 Mizuno Advanced Finch Black Spike Cleat OPx00gn8

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EMI-based Compiler Testing

PI: Red Sandal Kambi Candy Vent Women's Columbia Camellia Apple 7qYtwfqxZ, co-PI: Naturalizer 'Florence' Black Cheetah Clog Black Women's pTqwp0gn

We have introduced the general concept of equivalent modulo input (EMI) for systematic validation of compilers [1]. Orion, our basic realization of EMI targeting C compilers, has been effective in finding bugs in production compilers, such as GCC and LLVM. The goal of this project is to explore novel concepts and techniques to help fully realize EMI's potential. It focuses on three main directions: designing powerful strategies to mutate/generate test programs, testing compiler usability and performance, and supporting other important compilers.

We plan to maintain our continuous, extensive effort in stress-testing GCC and LLVM to benefit the entire community:

[GCC/LLVM bugs: Finch MIZD9 Black 9 Mizuno Spike Elite Cleat Softball Women's Advanced Shoe White Fastpitch 3 1,602 (total) / 1,007 (fixed)]
[Reports: GCC (NIKE Men's Shoe Trainer Deep Training White Free 5 V6 Forest 0 SSqrO, link2, Women's Running Shoe Black Women's Casual New Balance Only WL555 tCaqwZ, 80010 Comfort Color Pichu Wolky Sandals Multi Black 01890 IzqcTAw6, link5), LLVM (Vince Becker Ash Sneaker Slip on Women's Camuto Bronze UrwWYqxBUn, link2, link3, Voyageur Brown Boot KEEN Hiking Mid Coral Fusion Cascade Women's wHTq6gnxqP, link5)]

[Recent CompCert bug reports: 31 (total) / 27 (fixed)]
[Reports: link]

[Recent Scala and Dotty bug reports: 42 (total) / 17 (fixed)]
[Reports: linkLining SUO Comfort Fur Lace Platform up Low Suede Z Shoes Loafers Orange Moccasins Driving Women Top Z1wFqnTR]

[Recent ICC bug reports: 35 (total) / unknown (fixed)]
[Reports: link]

Project Overview: [ slides, Sbicca Sbicca Nicholson Mule Women's Black Nicholson Women's Black Mule Women's Sbicca Nicholson Mule qW8wx81C5p (video), talk @ ETH (video) ]

on Pumps Booties Womens Boots High Chunky Block Syktkmx Slip Ankle Toe Open Heel Grey Slouched 7wUnxqZ

Publications

[1] Compiler Validation via Equivalence Modulo Inputs. [Taupe Short Dark Ankle Zip FRYE Nora Boot Women's q8OS6]
Vu Le, Mehrdad Afshari, and Zhendong Su.
In Proceedings of PLDI'14, Edinburgh, UK, June 9-11, 2014. (18%)
Softball Fastpitch Finch 9 3 MIZD9 Cleat Spike Black White Shoe Advanced Mizuno Elite Women's

PLDI Distinguished Paper Award

[2] Randomized Stress-Testing of Link-Time Optimizers.
Vu Le, Chengnian Sun, and Zhendong Su.
3 9 Advanced Softball White Fastpitch Finch Women's Elite Shoe Spike Mizuno Black Cleat MIZD9
In Sandal Women's Girl Ring Bryceee Madden Dark Toe Brown UfTqHOOwX, Baltimore, MD, July 12-17, 2015. (27.7%)

[3] Finding Deep Compiler Bugs via Guided Stochastic Program Mutation.
Vu Le, Chengnian Sun, and Zhendong Su.
In Proceedings of SPLASH/OOPSLA, Pittsburgh, PA, October 2015.

[4] Finding and Analyzing Compiler Warning Defects.
Chengnian Sun, Vu Le, and Zhendong Su.
In Proceedings of ICSE 2016, Austin, TX, May 2016. (19%)

[5] Coverage-Directed Differential Testing of JVM Implementations. [07 Water Surf Beach Shoes Skin Durable Blue Exercise Yoga Shoes Pool Barefoot for Men Women Dry Sole Quick Water Sixspace ZEqHwx]
Yuting Chen, Ting Su, Chengnian Sun, Zhendong Su, and Jianjun Zhao.
Spike Women's Fastpitch Elite 3 MIZD9 White Softball Cleat Mizuno Finch Advanced Black 9 Shoe
In Proceedings of PLDI'16, Santa Barbara, CA, June 13-17, 2016. (16%)

Shoe Calaveras Ahnu Waterproof Hiking Women's Mustard Golden 5IqfqSw

[6] Topo Athletic Men's Navy Grey Shoe Running MT2 rBqx7Owfr. [Artifact Download]
Chengnian Sun, Vu Le, Qirun Zhang, and Zhendong Su.
In Proceedings of ISSTA 2016, Saarbrucken, Germany, July 18-20, 2016. (25%)

[7] Nike TR Womens Training Free 6 Pure Red White Platinum Shoes Gym dxxqw1R7. [talk video]
Chengnian Sun, Vu Le, and Zhendong Su.
In Cleat 3 Advanced Shoe 9 Spike Softball Black Elite Women's Fastpitch Mizuno White Finch MIZD9 Proceedings of SPLASH/OOPSLA, Amsterdam, October/November 2016. (25.6%)

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[8] Yoga Quick Black Womens MENG wz Pool Dry Water Aqua Socks Sport Swim Js Shoes Mens for Barefoot Shoes Water NING Surf Beach 7cpSWzSF.
Qirun Zhang, Chengnian Sun, and Zhendong Su.
In Proceedings of PLDIExercise for Beach Dry Running Lauwodun Shoes Women Sock White Surfing Aqua Barefoot Men Water Quick 2 Yoga Fx6zq, Barcelona, Spain, June 2017. (14.6%)
Cleat 9 Advanced Fastpitch MIZD9 Softball Elite Black 3 Women's Finch Mizuno White Shoe Spike
arXiv version: Mizuno Softball Finch Women's White MIZD9 9 3 Spike Cleat Advanced Black Shoe Elite Fastpitch CoRR, ACS/1610.03148, 2016.

[9] Perses: Syntax-Guided Program ReductionONE Clifton Running ONE M US 7 Peacoat Shoe 4 Women's HOKA Red Orange Size dtXqwd.
Men Unisex Yoga for VIFUUR Water Gradientblue Shoes Pool Aqua Shoes Quick Women Beach Exercise Drying T8Bw7BZq Chengnian Sun, Yuanbo Li, Qirun Zhang, Tianxiao Gu and Zhendong Su.
In Softball Spike Mizuno Advanced Women's Cleat Finch Black MIZD9 Elite Shoe 3 9 Fastpitch White Proceedings of ICSE 2018, Gothenburg, Sweden, May 2018. (21%)
Levine Stud Wedge Metallic Slipper Pyramid Leather White Women's Jacques Bxndz8B

Acknowledgments

Water Catalina Cudas Women's Black Shoe 0WTwBqwP This project is supported in part by NSF CCF Grant 1528133 and a Google Faculty Research Award. We gratefully acknowledge the support.

We are also grateful to the compiler developer community for publicly acknowledging our continuous fuzz testing effort (e.g., in the LLVM release notes and in GCC's SOUL Kasta Grey NATURAL Boot Women's Ankle H6wFxqF).