[CIR][NFC] Remove Covered MissingFeatures flags for Complex (#158425)

Remove Covered MissingFeatures flags for Complex

Author: AmrDeveloper

clang/include/clang/CIR/MissingFeatures.h

@@ -296,8 +296,6 @@ struct MissingFeatures {
   // Future CIR operations
   static bool awaitOp() { return false; }
   static bool callOp() { return false; }
-  static bool complexImagOp() { return false; }
-  static bool complexRealOp() { return false; }
   static bool ifOp() { return false; }
   static bool invokeOp() { return false; }
   static bool labelOp() { return false; }

clang/lib/CIR/Dialect/IR/CIRDialect.cpp

@@ -1754,9 +1754,6 @@ LogicalResult cir::BinOp::verify() {
     return emitError() << "The nsw/nuw flags and the saturated flag are "
                           "mutually exclusive";
 
-  assert(!cir::MissingFeatures::complexType());
-  // TODO(cir): verify for complex binops
-
   return mlir::success();
 }
 

clang/lib/CIR/Dialect/Transforms/CIRCanonicalize.cpp

@@ -134,8 +134,6 @@ void CIRCanonicalizePass::runOnOperation() {
   getOperation()->walk([&](Operation *op) {
     assert(!cir::MissingFeatures::switchOp());
     assert(!cir::MissingFeatures::tryOp());
-    assert(!cir::MissingFeatures::complexRealOp());
-    assert(!cir::MissingFeatures::complexImagOp());
     assert(!cir::MissingFeatures::callOp());
 
     // Many operations are here to perform a manual `fold` in