[PATCH] D100532: [RISCV] Don't emit save-restore call if function is a interrupt handler

[Jim Lin via Phabricator via llvm-commits]

Jim created this revision.
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It has to save all caller-saved registers before a call in the handler.
So don't emit a call that save/restore registers.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D100532

Files:
  llvm/lib/Target/RISCV/RISCVMachineFunctionInfo.h
  llvm/test/CodeGen/RISCV/interrupt-attr-save-restore-call.ll

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