1 files changed, 3 insertions, 0 deletions
diff --git a/mlir/lib/Conversion/ArmSMEToLLVM/ArmSMEToLLVM.cpp b/mlir/lib/Conversion/ArmSMEToLLVM/ArmSMEToLLVM.cpp
index f1fa411b8291..40a3489f7a4d 100644
--- a/mlir/lib/Conversion/ArmSMEToLLVM/ArmSMEToLLVM.cpp
+++ b/mlir/lib/Conversion/ArmSMEToLLVM/ArmSMEToLLVM.cpp
@@ -81,6 +81,7 @@ static Operation *createLoadTileSliceIntrinsic(
       break;
     }
   }
+  llvm_unreachable("unknown type in createLoadTileSliceIntrinsic");
 }
 
 /// Helper to create an arm_sme.intr.st1*.(horiz|vert)' intrinsic.
@@ -125,6 +126,7 @@ static Operation *createStoreTileSliceIntrinsic(
           loc, maskOp, ptr, tileId, tileSliceI32);
     }
   }
+  llvm_unreachable("unknown type in createStoreTileSliceIntrinsic");
 }
 
 IntegerAttr getTileIdOrError(arm_sme::ArmSMETileOpInterface op) {
@@ -850,6 +852,7 @@ struct StreamingVLOpConversion
       case arm_sme::TypeSize::Double:
         return rewriter.create<arm_sme::aarch64_sme_cntsd>(loc, i64Type);
       }
+      llvm_unreachable("unknown type size in StreamingVLOpConversion");
     }();
     rewriter.replaceOpWithNewOp<arith::IndexCastOp>(
         streamingVlOp, rewriter.getIndexType(), intrOp->getResult(0));