[llvm] [IR] Add llvm.sincospi intrinsic (PR #125873)

[Paul Walker via llvm-commits]

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@@ -407,6 +407,11 @@ RTLIB::Libcall RTLIB::getFSINCOS(EVT RetVT) {
                       SINCOS_PPCF128);
 }
 
+RTLIB::Libcall RTLIB::getSINCOSPI(EVT RetVT) {
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paulwalker-arm wrote:

The naming looks inconsistent here albeit the new code looks more correct.  Any chance you can follow up and rename `getFSINCOS` to `getSINCOS`?

https://github.com/llvm/llvm-project/pull/125873