[mlir][transform] Improve error message when file not found.

ingomueller-net · ingomueller-net · commit 61ba0b2815ee · 2023-09-29T14:07:57.000Z
diff --git a/mlir/lib/Dialect/Transform/Transforms/TransformInterpreterPassBase.cpp b/mlir/lib/Dialect/Transform/Transforms/TransformInterpreterPassBase.cpp
@@ -68,7 +68,7 @@ parseTransformModuleFromFile(MLIRContext *context,
   if (!memoryBuffer) {
     return emitError(FileLineColLoc::get(
                StringAttr::get(context, transformFileName), 0, 0))
-           << "failed to parse transform file";
+           << "failed to open transform file: " << errorMessage;
   }
   // Tell sourceMgr about this buffer, the parser will pick it up.
   llvm::SourceMgr sourceMgr;

Original file line number	Diff line number	Diff line change
`@@ -68,7 +68,7 @@ parseTransformModuleFromFile(MLIRContext *context,`
`68`	`68`	`if (!memoryBuffer) {`
`69`	`69`	`return emitError(FileLineColLoc::get(`
`70`	`70`	`StringAttr::get(context, transformFileName), 0, 0))`
`71`		`- << "failed to parse transform file";`
	`71`	`+ << "failed to open transform file: " << errorMessage;`
`72`	`72`	`}`
`73`	`73`	`// Tell sourceMgr about this buffer, the parser will pick it up.`
`74`	`74`	`llvm::SourceMgr sourceMgr;`