[PATCH] D119436: RFC: RegAlloc: Avoid repeated calls to freezeReservedRegs

[Jay Foad via Phabricator via llvm-commits]

foad added a comment.

> FIXME: The assertion I added fails on a few AArch64 CodeGen tests,
> apparently because AArch64RegisterInfo::hasBasePointer changes after
> FinalizeISel.

Digging a little deeper, this is because hasBasePointer depends on the local frame size, which is set up by the LocalStackSlotAllocation pass.


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