[mlir] Fix a warning

kazutakahirata · kazutakahirata · commit ecd87549330d · 2025-08-22T09:24:59.000-07:00
This patch fixes:

  mlir/lib/Dialect/LLVMIR/IR/NVVMDialect.cpp:132:3: error: default
  label in switch which covers all enumeration values
  [-Werror,-Wcovered-switch-default]
diff --git a/mlir/lib/Dialect/LLVMIR/IR/NVVMDialect.cpp b/mlir/lib/Dialect/LLVMIR/IR/NVVMDialect.cpp
@@ -129,8 +129,6 @@ static LogicalResult verifyTMALoadParams(size_t tensorDims, size_t numIm2colOff,
     return (tensorDims == 5)
                ? checkTMALoadParams(mode, false, 0)
                : emitError(loc, "Gather4 mode expects 5 coordinates");
-  default:
-    return emitError(loc, "Invalid LoadMode in CpAsyncBulkTensorPrefetchOp.");
   }
   return success();
 }

Original file line number	Diff line number	Diff line change
`@@ -129,8 +129,6 @@ static LogicalResult verifyTMALoadParams(size_t tensorDims, size_t numIm2colOff,`
`129`	`129`	`return (tensorDims == 5)`
`130`	`130`	`? checkTMALoadParams(mode, false, 0)`
`131`	`131`	`: emitError(loc, "Gather4 mode expects 5 coordinates");`
`132`		`- default:`
`133`		`- return emitError(loc, "Invalid LoadMode in CpAsyncBulkTensorPrefetchOp.");`
`134`	`132`	`}`
`135`	`133`	`return success();`
`136`	`134`	`}`