Craig Topper ab2348a6fa [RISCV] Add sext.b/h and zext.b/h/w to RISCVInstrInfo::foldMemoryOperandImpl. ...

We can always fold zext.b since it is just andi. The others require
Zba/Zbb.

Reviewed By: reames

Differential Revision: https://reviews.llvm.org/D130302

2022-07-21 14:54:58 -07:00

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