[clang] [CIR] Upstream BinAssign for ComplexType (PR #144868)

[Andy Kaylor via cfe-commits]

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@@ -48,6 +55,48 @@ static const ComplexType *getComplexType(QualType type) {
   return cast<ComplexType>(cast<AtomicType>(type)->getValueType());
 }
 
+LValue ComplexExprEmitter::emitBinAssignLValue(const BinaryOperator *e,
+                                               mlir::Value &value) {
+  assert(cgf.getContext().hasSameUnqualifiedType(e->getLHS()->getType(),
+                                                 e->getRHS()->getType()) &&
+         "Invalid assignment");
+
+  // Emit the RHS.  __block variables need the RHS evaluated first.
+  value = Visit(e->getRHS());
+
+  // Compute the address to store into.
+  LValue lhs = cgf.emitLValue(e->getLHS());
+
+  // Store the result value into the LHS lvalue.
+  emitStoreOfComplex(cgf.getLoc(e->getExprLoc()), value, lhs, /*isInit*/ false);
+  return lhs;
+}
+
+mlir::Value ComplexExprEmitter::emitCast(CastKind ck, Expr *op,
+                                         QualType destTy) {
+  switch (ck) {
+  case CK_LValueToRValue: {
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andykaylor wrote:

Braces aren't needed here.

https://github.com/llvm/llvm-project/pull/144868