[PATCH] D68957: Shift Amount Threshold in DAGCombine

[Joan LLuch via Phabricator via llvm-commits]

joanlluch created this revision.
joanlluch added a reviewer: spatel.
Herald added subscribers: llvm-commits, hiraditya.
Herald added a project: LLVM.

This is a proposal of a TLI hook to allow targets to relax the emission of shifts.
Contributes to a Fix for PR43559
(please note that the diff is from Release/9.x)


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D68957

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

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