[DAGCombine] ((c1-A)-c2) -> ((c1-c2)-A) constant-fold
authorRoman Lebedev <lebedev.ri@gmail.com>
Thu, 30 May 2019 19:27:51 +0000 (19:27 +0000)
committerRoman Lebedev <lebedev.ri@gmail.com>
Thu, 30 May 2019 19:27:51 +0000 (19:27 +0000)
commit7eb8b5b5ddb4517dfb168e4700779a4f2be8960a
treef23eb9e7e0b50f6d22a77f13651b6248666fddba
parent691b5e2eccc5c21f020793c39c3e011348df19f7
[DAGCombine] ((c1-A)-c2) -> ((c1-c2)-A)  constant-fold

Summary: https://rise4fun.com/Alive/B0A

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

Reviewed By: RKSimon

Subscribers: javed.absar, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D62691

llvm-svn: 362135
llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
llvm/test/CodeGen/AArch64/addsub-constant-folding.ll
llvm/test/CodeGen/X86/addsub-constant-folding.ll