[llvm] [SFrames] Emit and relax FREs (PR #158154)

[via llvm-commits]

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@@ -359,3 +463,55 @@ void MCSFrameEmitter::emit(MCObjectStreamer &Streamer) {
   Emitter.emitFDEs();
   Emitter.emitFREs();
 }
+
+void MCSFrameEmitter::encodeFuncOffset(MCContext &C, uint64_t Offset,
+                                       SmallVectorImpl<char> &Out,
+                                       MCFragment *FDEFrag) {
+  // If encoding into the FDE Frag itself, generate the sfde_info_word.
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weiguozhi wrote:

sfde_func_info

https://github.com/llvm/llvm-project/pull/158154