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[Hexagon] Copy subregisters in HexagonStoreWiden
authorKrzysztof Parzyszek <kparzysz@codeaurora.org>
Fri, 23 Mar 2018 17:22:55 +0000 (17:22 +0000)
committerKrzysztof Parzyszek <kparzysz@codeaurora.org>
Fri, 23 Mar 2018 17:22:55 +0000 (17:22 +0000)
commitc1ba2003d3034f89d0e2c8122477ceb7a601e826
tree98365ae1bb5f5d475773029bb13b5ac6b83e06f3
parentaa42861b09ef4447ccf2be3b06262d3d41f40a2a
[Hexagon] Copy subregisters in HexagonStoreWiden

When converting an instruction to the wider version, copy any
subregisters if the original operand has a subregister.

Patch by Brendon Cahoon.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@328333 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/Hexagon/HexagonStoreWidening.cpp