[PATCH] Fix left shifts of negative integers in AArch64 InstPrinter/Disassembler

[Alexey Samsonov]

Hi t.p.northover,

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.

http://reviews.llvm.org/D5132

Files:
  lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp
  lib/Target/AArch64/InstPrinter/AArch64InstPrinter.cpp
-------------- next part --------------
A non-text attachment was scrubbed...
Name: D5132.13117.patch
Type: text/x-patch
Size: 2082 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20140829/71b97613/attachment.bin>