[llvm] r261387 - [X86ISelLowering] Fix TLSADDR lowering when shrink-wrapping is enabled.

[Hans Wennborg via llvm-commits]

On Fri, Feb 19, 2016 at 4:50 PM, Davide Italiano <davide at freebsd.org> wrote:
> On Fri, Feb 19, 2016 at 4:44 PM, Davide Italiano via llvm-commits
> <llvm-commits at lists.llvm.org> wrote:
>> Author: davide
>> Date: Fri Feb 19 18:44:47 2016
>> New Revision: 261387
>>
>> URL: http://llvm.org/viewvc/llvm-project?rev=261387&view=rev
>> Log:
>> [X86ISelLowering] Fix TLSADDR lowering when shrink-wrapping is enabled.
>>
>> TLSADDR nodes are lowered into actuall calls inside MC. In order to prevent
>> shrink-wrapping from pushing prologue/epilogue past them (which result
>> in TLS variables being accessed before the stack frame is set up), we
>> put markers, so that the stack gets adjusted properly.
>> Thanks to Quentin Colombet for guidance/help on how to fix this problem!
>>
>
> + Hans for 3.8 backport.

Many thanks! I'll let this bake in the tree for a bit, and then I'll merge.