[llvm] [TLI] Add support for hypot libcall. (PR #113724)

[Matt Arsenault via llvm-commits]

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@@ -367,6 +369,8 @@ static void initializeLibCalls(TargetLibraryInfoImpl &TLI, const Triple &T,
       TLI.setUnavailable(LibFunc_fmaxf);
       TLI.setUnavailable(LibFunc_fmin);
       TLI.setUnavailable(LibFunc_fminf);
+      TLI.setAvailableWithName(LibFunc_hypot, "_hypot");
+      TLI.setAvailableWithName(LibFunc_hypotf, "_hypotf");
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arsenm wrote:

I would assume it would be a matter of writing optimization tests like this that use the nonstandard names.

Alternatively, we should expand the llvm-tli-checker tests. Currently it just handles ps4, but we should have baseline tests for all the other platforms 

https://github.com/llvm/llvm-project/pull/113724