[llvm-dev] BLX relocation regression on Thumb2 bot

Renato Golin via llvm-dev llvm-dev at lists.llvm.org
Wed May 18 07:33:19 PDT 2016

On 18 May 2016 at 15:12, Tim Northover <t.p.northover at gmail.com> wrote:
> I don't suppose you could grab a -save-temps output for MallocChecker.cpp?

Not from the bot any more. I didn't expect this to be a heisenbug. And
I'm having trouble replicating it on my other machine.

> I think we only produce R_ARM_THM_JUMP24 for tail calls. The veneer is
> then needed if a mode change is required because there's no "bx (imm)"
> instruction.

I'm curious as to what changed the behaviour, and from what? bx reg?
or non-tail call?

If I manage to reproduce it, I'll post back here.


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