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[msan] Instrument x86 BMI intrinsics.

Authored by eugenis on Mar 4 2019, 2:58 PM.

Description

[msan] Instrument x86 BMI intrinsics.

Summary:
They simply shuffle bits. MSan needs to do the same with shadow bits,
after making sure that the shuffle mask is fully initialized.

Reviewers: pcc, vitalybuka

Subscribers: hiraditya, #sanitizers, llvm-commits

Tags: #sanitizers, #llvm

Differential Revision: https://reviews.llvm.org/D58858

llvm-svn: 355348

Details

Committed
eugenisMar 4 2019, 2:58 PM
Differential Revision
D58858: [msan] Instrument x86 BMI intrinsics.
Parents
rG8cee2e8539ae: [sanitizer] Intercept bzero.
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