nickdesaulniers added subscribers: jyknight, echristo.
nickdesaulniers added inline comments.
================
Comment at: clang/lib/Driver/ToolChains/Clang.cpp:3138
}
+ if (EffectiveTriple.isAArch64() && Value != "sp_el0") {
+ D.Diag(diag::err_drv_invalid_value_with_suggestion)
----------------
nickdesaulniers wrote:
> nickdesaulniers wrote:
> > TODO: can we re-use `AArch64SysReg::lookupSysRegByName` in the frontend?
> I don't think so because `llvm/lib/Target/AArch64/Utils/AArch64BaseInfo.h` is
> under lib/ not include/. Not sure if I should just remove reg validation?
Guidance provided by @echristo and @jyknight was that we should avoid such
linkage requirements on Target/, so instead I'll work on adding a helper to
clang/lib/Driver/ToolChains/Arch/AArch64.cpp that duplicates logic from
`AArch64SysReg::lookupSysRegByName`.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D100919/new/
https://reviews.llvm.org/D100919
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