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[MSAN] Reintroduce libatomic load/store instrumentation

Authored by guiand on Aug 14 2020, 1:31 PM.

Description

[MSAN] Reintroduce libatomic load/store instrumentation

Have the front-end use the nounwind attribute on atomic libcalls.
This prevents us from seeing invoke __atomic_load in MSAN, which
is problematic as it has no successor for instrumentation to be added.

Details

Committed
guiandAug 14 2020, 1:31 PM
Parents
rGf759b4e43be2: [AIX] Generate unique module id based on Pid and timestamp
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