[PATCH] D134129: [PATCH] [RISCV] Enable -msave-restore by default when optimizing for size

[Jun Sha via Phabricator via llvm-commits]

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Since spill and restore code of callee-saved registers has been implemented by common functions to reduce code duplication in the patch https://reviews.llvm.org/D62686, we can enable -msave-restore by default when we are optimizing for size in Oz.


https://reviews.llvm.org/D134129

Files:
  llvm/lib/Target/RISCV/RISCVMachineFunctionInfo.h
  llvm/test/CodeGen/RISCV/machine-outliner-throw.ll
  llvm/test/CodeGen/RISCV/saverestore.ll
  llvm/test/CodeGen/RISCV/shifts.ll

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