[mlir][cf-to-llvm] Fix error message

diff --git a/mlir/lib/Conversion/ControlFlowToLLVM/ControlFlowToLLVM.cpp b/mlir/lib/Conversion/ControlFlowToLLVM/ControlFlowToLLVM.cpp
index ea7fc8f..e7d7873 100644 (file)
--- a/mlir/lib/Conversion/ControlFlowToLLVM/ControlFlowToLLVM.cpp
+++ b/mlir/lib/Conversion/ControlFlowToLLVM/ControlFlowToLLVM.cpp
@@ -103,7 +103,7 @@ static LogicalResult verifyMatchingValues(ConversionPatternRewriter &rewriter,
           diag << "mismatched types from operand # " << i << " ";
           diag << operandType;
           diag << " not compatible with destination block argument type ";
-          diag << argValue.getType();
+          diag << op.getOperandTypes().front();
           diag << " which should be converted with the parent op.";
         });
       }