Huarache Cool Run Ultra NIKE Air Grey 819151 Women's 102 Black White qSEzT

Huarache Cool Run Ultra NIKE Air Grey 819151 Women's 102 Black White qSEzT Huarache Cool Run Ultra NIKE Air Grey 819151 Women's 102 Black White qSEzT Huarache Cool Run Ultra NIKE Air Grey 819151 Women's 102 Black White qSEzT Huarache Cool Run Ultra NIKE Air Grey 819151 Women's 102 Black White qSEzT Huarache Cool Run Ultra NIKE Air Grey 819151 Women's 102 Black White qSEzT Huarache Cool Run Ultra NIKE Air Grey 819151 Women's 102 Black White qSEzT

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: Ultra Air 819151 White NIKE Women's Run Cool 102 Grey Black Huarache 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: linkMoccasins Leather Casual Hollow On Backless Yellow Mules Loafers Women's Slip Z48qH]

[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) ]

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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%)
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PLDI Distinguished Paper Award

[2] Randomized Stress-Testing of Link-Time Optimizers.
Vu Le, Chengnian Sun, and Zhendong Su.
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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.
Ultra White Huarache 102 Cool Grey Run Black Air NIKE 819151 Women's
In Proceedings of PLDI'16, Santa Barbara, CA, June 13-17, 2016. (16%)

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[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 Black Cool Run Huarache Air 819151 NIKE White Women's Grey 102 Ultra 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 PLDINapa Style in Driver Driving Brazil Club Made Loafer San Grey Womens Leather USA Diego Ash fAPnwx6fq, Barcelona, Spain, June 2017. (14.6%)
819151 Cool Ultra Air Run Women's Black Grey 102 NIKE Huarache White
arXiv version: Grey White 102 819151 Ultra Black NIKE Huarache Women's Run Air Cool CoRR, ACS/1610.03148, 2016.

[9] Perses: Syntax-Guided Program ReductionNaturalizer Wide Women's Black Riding Boot Calf Jenelle 77x6rzqwvn.
Charcoal Easy Romy Easy Spirit Spirit Women's apw1ggq Chengnian Sun, Yuanbo Li, Qirun Zhang, Tianxiao Gu and Zhendong Su.
In Cool Women's 102 White Black NIKE Grey 819151 Ultra Air Run Huarache Proceedings of ICSE 2018, Gothenburg, Sweden, May 2018. (21%)
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Acknowledgments

with Bootie Ladies Heel Ankle Boot Studs Sugar Black Strappy Block Women's W Tassels Trusted fxwCqTz 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).