George Burgess IV d33befca30 [Support] Add an enable bit to our DebugCounters ... r337748 made us start incrementing DebugCounters all of the time. This makes tsan unhappy in multithreaded environments. Since it doesn't make much sense to use DebugCounters with multiple threads, this patch makes us only count anything if the user passed a -debug-counter option or if some other piece of code explicitly asks for it (e.g. the pass in D50031). The amount of global state here makes writing a unittest for this behavior somewhat awkward. So, no test is provided. Differential Revision: https://reviews.llvm.org/D50150 llvm-svn: 338762		2018-08-02 19:50:27 +00:00
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llvm	[Support] Add an enable bit to our DebugCounters	2018-08-02 19:50:27 +00:00
llvm-c	Add PerfJITEventListener for perf profiling support.	2018-07-24 00:54:06 +00:00