aemerson added inline comments.
================
Comment at: clang/lib/Driver/ToolChains/Clang.cpp:7218-7219
+ CmdArgs.push_back("-global-isel=1");
+ CmdArgs.push_back("-mllvm");
+ CmdArgs.push_back("-global-isel-abort=0");
+ }
----------------
arsenm wrote:
> Why abort=0? I can understand abort=1 or 2
Abort=1 would mean the compiler crashes on fallback, and `2` would mean we emit
diagnostics, neither of which we want for an on-by-default configuration.
================
Comment at: clang/lib/Driver/ToolChains/Darwin.cpp:388
+ options::OPT_fno_global_isel);
+ if (!A || !A->getOption().matches(options::OPT_fno_global_isel)) {
CmdArgs.push_back("-mllvm");
----------------
arsenm wrote:
> Actually I'm confused why we're duplicating this logic in both these places
This one is for adding linker args which we need for LTO builds.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D137269/new/
https://reviews.llvm.org/D137269
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