Florian Hahn 49d00824bb [VPlan] Use one VPWidenRecipe per original IR instruction. (NFC). ...

This patch changes VPWidenRecipe to only store a single original IR
instruction. This is the first required step towards modeling it's
operands as VPValues and also towards breaking it up into a
VPInstruction.

Discussed as part of D74695.

Reviewers: Ayal, gilr, rengolin

Reviewed By: gilr

Differential Revision: https://reviews.llvm.org/D76988

2020-03-29 13:47:28 +01:00

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