[llvm] [GISel][RISCV] Legalize G_CONSTANT_FOLD_BARRIER (PR #89960)

[Yingwei Zheng via llvm-commits]

dtcxzyw wrote:

> Do you plan on doing regbankselect and instructionselect in a different patch?

No. X86 and AArch64 backends only mark G_CONSTANT_FOLD_BARRIER as legalized. I believe regbankselect and instructionselect for this node have been handled by the generic GISel logic.


https://github.com/llvm/llvm-project/pull/89960