Merging r355136:
------------------------------------------------------------------------
r355136 | efriedma | 2019-02-28 21:38:45 +0100 (Thu, 28 Feb 2019) | 12 lines
[AArch64] [Windows] Don't skip constructing UnwindHelp.
In certain cases, the first non-frame-setup instruction in a function is
a branch. For example, it could be a cbz on an argument. Make sure we
correctly allocate the UnwindHelp, and find an appropriate register to
use to initialize it.
Fixes https://bugs.llvm.org/show_bug.cgi?id=40184
Differential Revision: https://reviews.llvm.org/D58752
------------------------------------------------------------------------
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_80@355313 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed