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[SelectionDAG] Require constant index for INSERT/EXTRACT_SUBVECTOR.
authorEli Friedman <efriedma@quicinc.com>
Tue, 12 May 2020 22:09:10 +0000 (15:09 -0700)
committerEli Friedman <efriedma@quicinc.com>
Wed, 13 May 2020 20:08:59 +0000 (13:08 -0700)
commited428c429e97592c260ad74a6198c210ce381a61
treea470c284a92f46c6176eff2a99a1b2d1373d7994tree | snapshot
parentbd541b217f4d750391677144ccaa586874236f38commit | diff
[SelectionDAG] Require constant index for INSERT/EXTRACT_SUBVECTOR.

It sounds like an interesting idea in theory, but nothing is actually
taking advantage of it, and specifying/implementing the edge cases is
painful. So just forbid it.

Differential Revision: https://reviews.llvm.org/D79814
llvm/include/llvm/CodeGen/ISDOpcodes.h diff | blob | history
llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp diff | blob | history
Domain: System / Toolchain;