[PATCH] D42998: [x86/retpoline] Make the external thunk names exactly match the names that happened to end up in GCC.

[James Y Knight via Phabricator via llvm-commits]

jyknight added a comment.

>> Maybe it's only a theoretical issue because we only use r11 in 64bit mode though?
> 
> Not even a theoretical issue. LLVM has no code path that uses a register other than r11 in 64-bit mode as an explicit design decision, and we have asserts to that effect.

OK, sounds good.

It was not 100% clear only from looking at this patch, as there's no immediately-visible assert that we wouldn't emit `__x86_indirect_thunk_e[acd]x` with is64Bit().


Repository:
  rL LLVM

https://reviews.llvm.org/D42998