[clang] [CIR] Update CIR unary operations (PR #201727)

[Erich Keane via cfe-commits]

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@@ -6062,6 +6088,34 @@ def CIR_ComplexDivOp : CIR_ComplexRangeBinOp<"complex.div"> {
   }];
 }
 
+//===----------------------------------------------------------------------===//
+// ComplexConjOp
+//===----------------------------------------------------------------------===//
+
+def CIR_ComplexConjOp
+    : CIR_Op<"complex.conj", [Pure, SameOperandsAndResultType]> {
+  let summary = "Complex conjugate";
+  let description = [{
+    The `cir.complex.conj` operation takes a complex number and returns its
+    complex conjugate, which is formed by negating the imaginary part.
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erichkeane wrote:

ah, Conjugate!

https://github.com/llvm/llvm-project/pull/201727