[clang] [CIR][X86] Implement lowering for `readwritebarrier` builtins (PR #171094)

[Sirui Mu via cfe-commits]

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@@ -5493,7 +5493,7 @@ def CIR_AtomicClearOp : CIR_Op<"atomic.clear"> {
   }];
 }
 
-def CIR_AtomicFence : CIR_Op<"atomic.fence"> {
+def CIR_AtomicFenceOp : CIR_Op<"atomic.fence"> {
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Lancern wrote:

Nice catch, but maybe this could be a separate NFC PR.

https://github.com/llvm/llvm-project/pull/171094