[mlir] Fix -Wreturn-type in MeshOps.cpp (NFC)

DamonFool · DamonFool · commit bda763aea0b8 · 2023-11-04T08:47:30.000+08:00
/llvm-project/mlir/lib/Dialect/Mesh/IR/MeshOps.cpp:73:1: error: non-void function does not return a value in all control paths [-Werror,-Wreturn-type]
}
^
1 error generated.
diff --git a/mlir/lib/Dialect/Mesh/IR/MeshOps.cpp b/mlir/lib/Dialect/Mesh/IR/MeshOps.cpp
@@ -68,7 +68,7 @@ Partial mesh::getPartialTypeFromReduction(IteratorType iType) {
   case IteratorType::ReductionMin:
     return Partial::Min;
   default:
-    assert(0 && "No corresponding partial type can be found");
+    llvm_unreachable("No corresponding partial type can be found");
   }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -68,7 +68,7 @@ Partial mesh::getPartialTypeFromReduction(IteratorType iType) {`
`68`	`68`	`case IteratorType::ReductionMin:`
`69`	`69`	`return Partial::Min;`
`70`	`70`	`default:`
`71`		`- assert(0 && "No corresponding partial type can be found");`
	`71`	`+ llvm_unreachable("No corresponding partial type can be found");`
`72`	`72`	`}`
`73`	`73`	`}`
`74`	`74`