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| author | Alexey Samsonov <vonosmas@gmail.com> | 2014-09-02 16:19:41 +0000 |
|---|---|---|
| committer | Alexey Samsonov <vonosmas@gmail.com> | 2014-09-02 16:19:41 +0000 |
| commit | 729b12ede3201bd2e78c24bd739884d3bb4cd87d (patch) | |
| tree | 6c6ee80ec0fd15116f5cbcb12d70211acc54959b /llvm/lib/MC/MCDisassembler/Disassembler.cpp | |
| parent | bbb3a7f51c45f2956c569798680a37a814561cf7 (diff) | |
| download | llvm-729b12ede3201bd2e78c24bd739884d3bb4cd87d.zip llvm-729b12ede3201bd2e78c24bd739884d3bb4cd87d.tar.gz llvm-729b12ede3201bd2e78c24bd739884d3bb4cd87d.tar.bz2 | |
Fix left shifts of negative integers in AArch64 InstPrinter/Disassembler
Summary:
Left shift of negative integer is an undefined behavior, and
is reported by UBSan. It's ok for imm values to be negative, so we can
just replace left shifts with multiplications.
Test Plan: check-llvm test suite
Reviewers: t.p.northover
Reviewed By: t.p.northover
Subscribers: aemerson, mcrosier, llvm-commits
Differential Revision: http://reviews.llvm.org/D5132
llvm-svn: 216910
Diffstat (limited to 'llvm/lib/MC/MCDisassembler/Disassembler.cpp')
0 files changed, 0 insertions, 0 deletions