[PATCH] D156393: [RISCV] Fix getMaxPushPopReg like getLibCallID

[Jim Lin via Phabricator via llvm-commits]

Jim added a comment.

In D156393#4537632 <https://reviews.llvm.org/D156393#4537632>, @kito-cheng wrote:

> testcase?

It is hard to add testcase to show the differece. It only reuses the assumption that register in ra-s11 would be assigned a negative frame index 
by RISCVRegisterInfo::hasReservedSpillSlot instead of adding a new register class PGPR to check register inside ra-s11.


Repository:
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  https://reviews.llvm.org/D156393/new/

https://reviews.llvm.org/D156393