[PATCH] D67711: [DAG] Add SelectionDAG::MaxRecursionDepth constant

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon created this revision.
RKSimon added reviewers: spatel, arsenm, efriedma, craig.topper.
Herald added a subscriber: wdng.
Herald added a project: LLVM.

As commented on D67557 <https://reviews.llvm.org/D67557> we have a lot of uses of depth checks all using magic numbers.

This patch adds the SelectionDAG::MaxRecursionDepth constant and moves over some general cases to use this explicitly.


Repository:
  rL LLVM

https://reviews.llvm.org/D67711

Files:
  include/llvm/CodeGen/SelectionDAG.h
  lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  lib/CodeGen/SelectionDAG/SelectionDAG.cpp
  lib/CodeGen/SelectionDAG/TargetLowering.cpp
  lib/Target/AArch64/AArch64ISelDAGToDAG.cpp

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