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[DAGCombine] Use FoldConstantArithmetic() to perform C2-(A+C1) -> (C2-C1)-A fold
authorRoman Lebedev <lebedev.ri@gmail.com>
Thu, 30 May 2019 19:27:26 +0000 (19:27 +0000)
committerRoman Lebedev <lebedev.ri@gmail.com>
Thu, 30 May 2019 19:27:26 +0000 (19:27 +0000)
commit69aa60333249d4cdbf05744982ca05d8d8d31243
tree9b7748f0cab9b08de0e9bda997786738d4eeed44tree | snapshot
parent0a21e6fba316b0fc279ff90bd9124a78389ede32commit | diff
[DAGCombine] Use FoldConstantArithmetic() to perform C2-(A+C1) -> (C2-C1)-A fold

Summary:
No tests change, and i'm not sure how to test this, but it's better safe than sorry.

Reviewers: spatel, RKSimon, craig.topper, t.p.northover

Reviewed By: craig.topper

Subscribers: llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D62663

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@362132 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/DAGCombiner.cpp diff | blob | history
external/llvm
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