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clang-p2996/llvm/lib/CodeGen/SelectionDAG
Kerry McLaughlin 9b4fcfaa9e [SVE][CodeGen] Remove performMaskedGatherScatterCombine
The AArch64 DAG combine added by D90945 & D91433 extends the index
of a scalable masked gather or scatter to i32 if necessary.

This patch removes the combine and instead adds shouldExtendGSIndex, which
is used by visitMaskedGather/Scatter in SelectionDAGBuilder to query whether
the index should be extended before calling getMaskedGather/Scatter.

Reviewed By: david-arm

Differential Revision: https://reviews.llvm.org/D94525
2021-02-01 14:10:00 +00:00
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