[clang] Make CIR assembly formats strict properties compatible (PR #226600)

[Mehdi Amini via cfe-commits]

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@@ -4527,7 +4540,8 @@ def CIR_LLVMIntrinsicCallOp : CIR_Op<"call_llvm_intrinsic"> {
   let skipDefaultBuilders = 1;
 
   let assemblyFormat = [{
-    $intrinsic_name $arg_ops `:` functional-type($arg_ops, $result) attr-dict
+    $intrinsic_name $arg_ops `:` functional-type($arg_ops, $result)
+    (`fastmath` `(` $fastmath_flags^ `)`)? attr-dict
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joker-eph wrote:

No urgency here, happy to iterate to make it right!

https://github.com/llvm/llvm-project/pull/226600