[esan|wset] EfficiencySanitizer working set tool fastpath

Description

[esan|wset] EfficiencySanitizer working set tool fastpath

Summary:
Adds fastpath instrumentation for esan's working set tool. The
instrumentation for an intra-cache-line load or store consists of an
inlined write to shadow memory bits for the corresponding cache line.

Adds a basic test for this instrumentation.

Reviewers: aizatsky

Subscribers: vitalybuka, zhaoqin, kcc, eugenis, llvm-commits

Differential Revision: http://reviews.llvm.org/D20483

Details

Committed
brueningMay 24 2016, 5:17 PM
Differential Revision
D20483: [esan] EfficiencySanitizer working set tool fastpath
Parents
rL270639: [libFuzzer] print stats if we crash on empty input
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