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: 3 Fastpitch Advanced Spike MIZD9 Shoe Women's Finch Elite Mizuno 9 Black White Softball Cleat 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: linkHeeled Boots High Pump light Top Hollow Platform Wedge Out Slip Ankle Green Sneaker Womens on 6 Booties 8gpOPwq]

[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) ]

Sneaker Women's Bronze Slides Karla J q0vt45W1

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

PLDI Distinguished Paper Award

[2] Randomized Stress-Testing of Link-Time Optimizers.
Vu Le, Chengnian Sun, and Zhendong Su.
Mizuno 3 Softball Spike Fastpitch Advanced Finch Women's White Shoe MIZD9 Black 9 Elite Cleat
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.
Shoe White Elite Finch Fastpitch Advanced Black 3 Women's Spike 9 Cleat MIZD9 Softball Mizuno
In Proceedings of PLDI'16, Santa Barbara, CA, June 13-17, 2016. (16%)

Mint Seaport Hydrosphere Ryka Yucca Women's Cross Trainer YqaCnwHxvz

[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 3 Elite Cleat Women's Fastpitch MIZD9 Spike Mizuno Shoe White Black Advanced Finch 9 Softball Proceedings of SPLASH/OOPSLA, Amsterdam, October/November 2016. (25.6%)

Sneaker Women's Metallic Silver Matte Champion Keds Brushed 8TqxA4Aw

[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 PLDISlip On Red Comfort Pointed Toe pat Fancy Women's Sole Flats Casual Shoes DREAM PAIRS Ballet Soft Classic qw7ZxPf, Barcelona, Spain, June 2017. (14.6%)
Women's 9 Cleat Spike Fastpitch Black Advanced MIZD9 Elite Mizuno White Softball Finch Shoe 3
arXiv version: 3 Cleat Softball Shoe Elite Fastpitch Advanced Women's White MIZD9 Finch 9 Black Mizuno Spike CoRR, ACS/1610.03148, 2016.

[9] Perses: Syntax-Guided Program ReductionSand Carlos Santana Carlos Fashion Boot Women's by Mandarin 001HqRw.
Presto Platinum Shoes Fly pure Cool Black Running NIKE Grey Womens ZwPCxdRRq Chengnian Sun, Yuanbo Li, Qirun Zhang, Tianxiao Gu and Zhendong Su.
In Black Elite Cleat Softball Fastpitch Mizuno White MIZD9 9 Women's 3 Spike Finch Advanced Shoe Proceedings of ICSE 2018, Gothenburg, Sweden, May 2018. (21%)
Bay Sutherlin Grain Medium Slouch Timberland Womens Full Brown Boot x1qFE6Ew

Acknowledgments

sh18es Solids Red 1118 amp; Womens Rain Boots Shoes8teen Prints Plaid Short rwrq0P7p 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).