[AArch64] What is the different between trunk and trunk with all architectures

we can see that, base on test case and same options, trunck and trunck with all architectures generate different assemble on https://godbolt.org. As I think the both of them is synchronize to the latest branch master of llvm.

see detail Compiler Explorer

The link you posted was a comparison between Clang trunk and GCC trunk. Those are completely different compilers (Clang’s the one we care deeply about here) so it’s expected they’ll produce different output.

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Oops, sorry, I make a mistake.