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

[via llvm-commits]

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@@ -0,0 +1,87 @@
+// TODO: Add other architectures as they gain sframe support
+// REQUIRES: x86-registered-target
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Sterling-Augustine wrote:

done.

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