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swift-3.0-PREVIEW-1
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@shahmishal shahmishal released this 13 Jun 22:10
· 7070 commits to stable since this release
swift-3.0-PREVIEW-1
27908e2 
[tsan] On OS X, optimize main thread’s ThreadState accesses

This is a very simple optimization that gets about 10% speedup for certain programs. We’re currently storing the pointer to the main thread’s ThreadState, but we can store the state directly in a static variable, which avoid the load acquire.

Differential Revision: http://reviews.llvm.org/D20910



git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@271906 91177308-0d34-0410-b5e6-96231b3b80d8
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