[llvm] [Xtensa] Implement Xtensa S32C1I Option and atomics lowering. (PR #137134)

[Andrei Safronov via llvm-commits]

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@@ -0,0 +1,5 @@
+config.suffixes = [".ll"]
+
+targets = set(config.root.targets_to_build.split())
+if not "Xtensa" in targets:
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andreisfr wrote:

Fixed.

https://github.com/llvm/llvm-project/pull/137134