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5 Commits

Author SHA1 Message Date
David Bolvansky cd3eb99016 [InstCombine] [NFC] Added more tests for unlocked IO transformation 
Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D47243

llvm-svn: 333057
 2018-05-23 03:01:45 +00:00
Benjamin Kramer 8ac15bf4dc [InstCombine] Fix the signature of fgets_unlocked. 
It returns a pointer, not an int. This miscompiles all code that uses
the return value of fgets.

llvm-svn: 332531
 2018-05-16 21:45:39 +00:00
David Bolvansky ca22d427b9 [SimplifyLibcalls] Replace locked IO with unlocked IO 
Summary: If file stream arg is not captured and source is fopen, we could replace IO calls by unlocked IO ("_unlocked" function variants) to gain better speed,

Reviewers: efriedma, RKSimon, spatel, sanjoy, hfinkel, majnemer, lebedev.ri, rja

Reviewed By: rja

Subscribers: rja, srhines, efriedma, lebedev.ri, llvm-commits

Differential Revision: https://reviews.llvm.org/D45736

llvm-svn: 332452
 2018-05-16 11:39:52 +00:00
Matt Morehouse 1ae1febfde Revert "[SimplifyLibcalls] Replace locked IO with unlocked IO" 
This reverts r331002 due to sanitizer bot breakage.

llvm-svn: 331011
 2018-04-27 01:48:09 +00:00
David Bolvansky 2c9cc9c731 [SimplifyLibcalls] Replace locked IO with unlocked IO 
Summary: If file stream arg is not captured and source is fopen, we could replace IO calls by unlocked IO ("_unlocked" function variants) to gain better speed,

Reviewers: efriedma, RKSimon, spatel, sanjoy, hfinkel, majnemer

Subscribers: lebedev.ri, llvm-commits

Differential Revision: https://reviews.llvm.org/D45736

llvm-svn: 331002
 2018-04-26 22:31:43 +00:00