[clang] [CIR] Upstream MulOp for ComplexType (PR #150834)

[Amr Hesham via cfe-commits]

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@@ -2823,6 +2823,49 @@ def CIR_ComplexSubOp : CIR_Op<"complex.sub", [
   }];
 }
 
+//===----------------------------------------------------------------------===//
+// ComplexMulOp
+//===----------------------------------------------------------------------===//
+
+def CIR_ComplexRangeKind : CIR_I32EnumAttr<
+  "ComplexRangeKind", "complex multiplication and division implementation", [
+    I32EnumAttrCase<"Full", 0, "full">,
+    I32EnumAttrCase<"Improved", 1, "improved">,
+    I32EnumAttrCase<"Promoted", 2, "promoted">,
+    I32EnumAttrCase<"Basic", 3, "basic">,
+]>;
+
+def CIR_ComplexMulOp : CIR_Op<"complex.mul", [
+  Pure, SameOperandsAndResultType
+]> {
+  let summary = "Complex multiplication";
+  let description = [{
+    The `cir.complex.mul` operation takes two complex numbers and returns
+    their product.
+
+    Range is used to controls the various implementations for complex
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AmrDeveloper wrote:

Thank you for writing this :D

https://github.com/llvm/llvm-project/pull/150834