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4 Commits

Author SHA1 Message Date
Eugene Zelenko
a9f4ca477c [CodeGen] Fix some Clang-tidy modernize and Include What You Use warnings; other minor fixes (NFC). 
llvm-svn: 315380
 2017-10-10 22:33:29 +00:00
Evgeniy Stepanov
9cf1a99ef6 [safestack] Layout large allocas first to reduce fragmentation. 
llvm-svn: 277544
 2016-08-02 23:21:30 +00:00
Evgeniy Stepanov
c6a9ac755b Fix invalid iterator use in safestack coloring. 
llvm-svn: 276676
 2016-07-25 19:25:40 +00:00
Evgeniy Stepanov
203ebe4c82 StackColoring for SafeStack. 
This is a fix for PR27842.

An IR-level implementation of stack coloring tailored to work with
SafeStack. It is a bit weaker than the MI implementation in that it
does not the "lifetime start at first access" logic. This can be
improved in the future.

This patch also replaces the naive implementation of stack frame
layout with a greedy algorithm that can split existing stack slots
and even fit small objects inside the alignment padding of other
objects.

llvm-svn: 274162
 2016-06-29 20:37:43 +00:00