[llvm] r310481 - [ValueTracking] Honour recursion limit.
Davide Italiano via llvm-commits
llvm-commits at lists.llvm.org
Wed Aug 9 08:19:07 PDT 2017
On Wed, Aug 9, 2017 at 8:13 AM, Davide Italiano via llvm-commits
<llvm-commits at lists.llvm.org> wrote:
> Author: davide
> Date: Wed Aug 9 08:13:50 2017
> New Revision: 310481
> URL: http://llvm.org/viewvc/llvm-project?rev=310481&view=rev
> [ValueTracking] Honour recursion limit.
> The recently improved support for `icmp` in ValueTracking
> (r307304) exposes the fact that `isImplied` condition doesn't
> really bail out if we hit the recursion limit (and calls
> `computeKnownBits` which increases the depth and asserts).
Hans, I think this could be considered as a candidate to be backported
to 5 [cc: Petr & Chad].
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