[clang] [CIR] Upstream Exception Attr in CallOp (PR #164964)

[Andy Kaylor via cfe-commits]

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@@ -44,6 +44,7 @@ def CIR_Dialect : Dialect {
     static llvm::StringRef getModuleLevelAsmAttrName() { return "cir.module_asm"; }
     static llvm::StringRef getGlobalCtorsAttrName() { return "cir.global_ctors"; }
     static llvm::StringRef getGlobalDtorsAttrName() { return "cir.global_dtors"; }
+    static llvm::StringRef getExceptionAttrName() { return "exception"; }
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andykaylor wrote:

I don't really like this name. I think "mayThrow" would be better, and it aligns with LLVM IR function attribute flag of the same name.

https://github.com/llvm/llvm-project/pull/164964