[llvm] Add a support for per function CIE (PR #192727)

[via llvm-commits]

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@@ -1979,7 +1979,8 @@ void MCDwarfFrameEmitter::emit(MCObjectStreamer &Streamer, bool IsEH) {
       continue;
 
     CIEKey Key(Frame);
-    if (!LastCIEStart || (IsEH && Key != LastKey)) {
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jaewookshin701 wrote:

That is true only if `IsEH` is true. Fix is to add another condition in an OR condition so that it generate a CIE even when IsEH is false.

https://github.com/llvm/llvm-project/pull/192727