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[AMDGPU] Do not combine dpp mov reading physregs
authorStanislav Mekhanoshin <Stanislav.Mekhanoshin@amd.com>
Wed, 16 Oct 2019 19:28:25 +0000 (19:28 +0000)
committerStanislav Mekhanoshin <Stanislav.Mekhanoshin@amd.com>
Wed, 16 Oct 2019 19:28:25 +0000 (19:28 +0000)
commitcb2a2f79aed14bcac3a191f9085f7449f5eaf75a
treee02e55638c02d4e321b982a9ff937342132f8574tree | snapshot
parent139b3c56f6d99396433c12213e433482906a3a1ecommit | diff
[AMDGPU] Do not combine dpp mov reading physregs

We cannot be sure physregs will stay unchanged.

Differential Revision: https://reviews.llvm.org/D69065

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@375033 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/AMDGPU/GCNDPPCombine.cpp diff | blob | history
test/CodeGen/AMDGPU/dpp_combine.mir diff | blob | history
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