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[XRay] basic mode PID and TID always fetch

Description

[XRay] basic mode PID and TID always fetch

Summary: XRayRecords now includes a PID field. Basic handlers fetch pid and tid each time they are called instead of caching the value. Added a testcase that calls fork and checks if the child TID is different from the parent TID to verify that the processes' TID are different in the trace.

Reviewers: dberris, Maknee

Reviewed By: dberris, Maknee

Subscribers: kpw, llvm-commits, #sanitizers

Differential Revision: https://reviews.llvm.org/D49025

Details

Committed
dberrisJul 11 2018, 12:14 AM
Reviewer
dberris
Differential Revision
D49025: [XRay] basic mode PID and TID always fetch
Parents
rL336768: [X86] The TEST instruction is eliminated when BSF/TZCNT is used
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