MSan: handle callbr instructions
Summary:
Handling callbr is very similar to handling an inline assembly call:
MSan must checks the instruction's inputs.
callbr doesn't (yet) have outputs, so there's nothing to unpoison,
and conservative assembly handling doesn't apply either.
Fixes PR42479.
Reviewers: eugenis
Subscribers: hiraditya, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D64072
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@365008
91177308-0d34-0410-b5e6-
96231b3b80d8
OSDN Git Service
