[PATCH] D49837: [SelectionDAG] Handle unary SelectPatternFlavor for ABS case in SelectionDAGBuilder::visitSelect.
Simon Pilgrim via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri Oct 26 01:43:32 PDT 2018
RKSimon added inline comments.
================
Comment at: lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:2599
+
+ return DAG.getNode(ISD::XOR, dl, VT, Add, Shift);
+}
----------------
You might want to consider creating just TargetLowering::ExpandABS and getting both SelectionDAGLegalize/VectorLegalizer to call it - see the other TargetLowering::Expand* functions for examples.
Repository:
rL LLVM
https://reviews.llvm.org/D49837
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