Florian Hahn b021464d35 [VPlan] Introduce scalar loop header in plan, remove VPLiveOut. (#109975) ...

Update VPlan to include the scalar loop header. This allows retiring
VPLiveOut, as the remaining live-outs can now be handled by adding
operands to the wrapped phis in the scalar loop header.

Note that the current version only includes the scalar loop header, no
other loop blocks and also does not wrap it in a region block.

PR: https://github.com/llvm/llvm-project/pull/109975

2024-10-31 21:36:44 +01:00

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