Carl Ritson d0e246ff16 [LiveRange] Fix inaccurate verification of live-in PhysRegs ...

Fix verification that a PhysReg is live in to an MBB.
isLiveIn does not handle reg units, so cannot identify when a
register would be defined because its super register is partially
defined.
Additionally a PhysReg may be partial defined at block entry and
then fully defined before any use.

Reviewed By: foad, arsenm

Differential Revision: https://reviews.llvm.org/D157086

2023-08-16 17:42:42 +09:00

16 KiB

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