[PATCH] D143355: [RISCV] Default to -ffixed-x18 for Fuchsia

[Roland McGrath via Phabricator via llvm-commits]

mcgrathr created this revision.
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Fuchsia's ABI always reserves the x18 (s2) register for the
ShadowCallStack ABI, even when -fsanitize=shadow-call-stack is
not enabled.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D143355

Files:
  clang/lib/Driver/SanitizerArgs.cpp
  llvm/include/llvm/TargetParser/RISCVTargetParser.h
  llvm/lib/Target/RISCV/RISCVSubtarget.cpp
  llvm/lib/TargetParser/RISCVTargetParser.cpp
  llvm/test/CodeGen/RISCV/reserved-regs.ll

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