[clang] [CIR] LLVMIR lowering for cir.call (PR #138873)

[Andy Kaylor via cfe-commits]

================
@@ -651,6 +651,50 @@ mlir::LogicalResult CIRToLLVMReturnOpLowering::matchAndRewrite(
   return mlir::LogicalResult::success();
 }
 
+static mlir::LogicalResult
+rewriteCallOrInvoke(mlir::Operation *op, mlir::ValueRange callOperands,
+                    mlir::ConversionPatternRewriter &rewriter,
+                    const mlir::TypeConverter *converter,
+                    mlir::FlatSymbolRefAttr calleeAttr) {
+  llvm::SmallVector<mlir::Type, 8> llvmResults;
+  auto cirResults = op->getResultTypes();
----------------
andykaylor wrote:

```suggestion
  llvm::ArrayRef<mlir::Type> cirResults = op->getResultTypes();
```

https://github.com/llvm/llvm-project/pull/138873