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

[Andrei Safronov via llvm-commits]

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@@ -0,0 +1,1426 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
+; RUN: llc -mtriple=xtensa -mattr=+windowed -verify-machineinstrs < %s | FileCheck %s --check-prefixes=XTENSA
+; RUN: llc -mtriple=xtensa -mattr=+windowed,s32c1i  -mattr=+forced-atomics -verify-machineinstrs < %s | FileCheck %s --check-prefixes=XTENSA-ATOMIC
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andreisfr wrote:

Thank you for comment. Fixed.

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