[Mlir-commits] [mlir] [mlir] Add metadata to Diagnostic. (PR #99398)

weiwei chen llvmlistbot at llvm.org
Fri Jul 19 20:49:53 PDT 2024


https://github.com/weiweichen updated https://github.com/llvm/llvm-project/pull/99398

>From 662546872cd5f539bd932838c5f1edcda08d4091 Mon Sep 17 00:00:00 2001
From: Weiwei Chen <weiwei.chen at modular.com>
Date: Wed, 17 Jul 2024 18:00:05 -0400
Subject: [PATCH 1/4] Add metadat to Diagnostic.

---
 mlir/include/mlir/IR/Diagnostics.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/mlir/include/mlir/IR/Diagnostics.h b/mlir/include/mlir/IR/Diagnostics.h
index bb2e1bb183e9b..1ef902ae5439c 100644
--- a/mlir/include/mlir/IR/Diagnostics.h
+++ b/mlir/include/mlir/IR/Diagnostics.h
@@ -271,6 +271,9 @@ class Diagnostic {
     return failure();
   }
 
+  /// Returns the current list of diagnostic metadata.
+  SmallVector<DiagnosticArgument, 1>& getMetaData() { return metadata; }
+
 private:
   Diagnostic(const Diagnostic &rhs) = delete;
   Diagnostic &operator=(const Diagnostic &rhs) = delete;
@@ -290,6 +293,9 @@ class Diagnostic {
 
   /// A list of attached notes.
   NoteVector notes;
+
+  /// A list of metadata attached to this Diagnostic.
+  SmallVector<DiagnosticArgument, 1> metadata;
 };
 
 inline raw_ostream &operator<<(raw_ostream &os, const Diagnostic &diag) {

>From 90d8968d99cf6a854cae4c55fa57160a99291f7a Mon Sep 17 00:00:00 2001
From: Weiwei Chen <weiwei.chen at modular.com>
Date: Fri, 19 Jul 2024 19:43:25 -0400
Subject: [PATCH 2/4] Apply review comment and format.

---
 mlir/include/mlir/IR/Diagnostics.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mlir/include/mlir/IR/Diagnostics.h b/mlir/include/mlir/IR/Diagnostics.h
index 1ef902ae5439c..f87e5b2170e68 100644
--- a/mlir/include/mlir/IR/Diagnostics.h
+++ b/mlir/include/mlir/IR/Diagnostics.h
@@ -272,7 +272,7 @@ class Diagnostic {
   }
 
   /// Returns the current list of diagnostic metadata.
-  SmallVector<DiagnosticArgument, 1>& getMetaData() { return metadata; }
+  SmallVector<DiagnosticArgument, 0> &getMetaData() { return metadata; }
 
 private:
   Diagnostic(const Diagnostic &rhs) = delete;
@@ -295,7 +295,7 @@ class Diagnostic {
   NoteVector notes;
 
   /// A list of metadata attached to this Diagnostic.
-  SmallVector<DiagnosticArgument, 1> metadata;
+  SmallVector<DiagnosticArgument, 0> metadata;
 };
 
 inline raw_ostream &operator<<(raw_ostream &os, const Diagnostic &diag) {

>From 0b33c7b50d26aa6e3d3827e4502e394e20f07355 Mon Sep 17 00:00:00 2001
From: Weiwei Chen <weiwei.chen at modular.com>
Date: Fri, 19 Jul 2024 23:41:32 -0400
Subject: [PATCH 3/4] Add test for Diagnostic metadata.

---
 mlir/include/mlir/IR/Diagnostics.h | 2 +-
 mlir/test/lib/IR/CMakeLists.txt    | 1 +
 mlir/tools/mlir-opt/mlir-opt.cpp   | 2 ++
 3 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/mlir/include/mlir/IR/Diagnostics.h b/mlir/include/mlir/IR/Diagnostics.h
index f87e5b2170e68..cb30bb3f59688 100644
--- a/mlir/include/mlir/IR/Diagnostics.h
+++ b/mlir/include/mlir/IR/Diagnostics.h
@@ -272,7 +272,7 @@ class Diagnostic {
   }
 
   /// Returns the current list of diagnostic metadata.
-  SmallVector<DiagnosticArgument, 0> &getMetaData() { return metadata; }
+  SmallVectorImpl<DiagnosticArgument> &getMetadata() { return metadata; }
 
 private:
   Diagnostic(const Diagnostic &rhs) = delete;
diff --git a/mlir/test/lib/IR/CMakeLists.txt b/mlir/test/lib/IR/CMakeLists.txt
index faaa3bb8db24c..01297ad0a1148 100644
--- a/mlir/test/lib/IR/CMakeLists.txt
+++ b/mlir/test/lib/IR/CMakeLists.txt
@@ -6,6 +6,7 @@ add_mlir_library(MLIRTestIR
   TestBuiltinDistinctAttributes.cpp
   TestClone.cpp
   TestDiagnostics.cpp
+  TestDiagnosticsMetadata.cpp
   TestDominance.cpp
   TestFunc.cpp
   TestInterfaces.cpp
diff --git a/mlir/tools/mlir-opt/mlir-opt.cpp b/mlir/tools/mlir-opt/mlir-opt.cpp
index 149f9d59961b8..1695ad887470b 100644
--- a/mlir/tools/mlir-opt/mlir-opt.cpp
+++ b/mlir/tools/mlir-opt/mlir-opt.cpp
@@ -92,6 +92,7 @@ void registerTestDataLayoutQuery();
 void registerTestDeadCodeAnalysisPass();
 void registerTestDecomposeCallGraphTypes();
 void registerTestDiagnosticsPass();
+void registerTestDiagnosticsMetadataPass();
 void registerTestDominancePass();
 void registerTestDynamicPipelinePass();
 void registerTestEmulateNarrowTypePass();
@@ -225,6 +226,7 @@ void registerTestPasses() {
   mlir::test::registerTestDeadCodeAnalysisPass();
   mlir::test::registerTestDecomposeCallGraphTypes();
   mlir::test::registerTestDiagnosticsPass();
+  mlir::test::registerTestDiagnosticsMetadataPass();
   mlir::test::registerTestDominancePass();
   mlir::test::registerTestDynamicPipelinePass();
   mlir::test::registerTestEmulateNarrowTypePass();

>From b75c1dd016530308e135d48c00d7b9b9b675650d Mon Sep 17 00:00:00 2001
From: Weiwei Chen <weiwei.chen at modular.com>
Date: Fri, 19 Jul 2024 23:49:26 -0400
Subject: [PATCH 4/4] Actually add the tests.

---
 mlir/test/IR/diagnostic-handler-metadata.mlir | 19 ++++++
 mlir/test/lib/IR/TestDiagnosticsMetadata.cpp  | 65 +++++++++++++++++++
 2 files changed, 84 insertions(+)
 create mode 100644 mlir/test/IR/diagnostic-handler-metadata.mlir
 create mode 100644 mlir/test/lib/IR/TestDiagnosticsMetadata.cpp

diff --git a/mlir/test/IR/diagnostic-handler-metadata.mlir b/mlir/test/IR/diagnostic-handler-metadata.mlir
new file mode 100644
index 0000000000000..28267de1f760b
--- /dev/null
+++ b/mlir/test/IR/diagnostic-handler-metadata.mlir
@@ -0,0 +1,19 @@
+// RUN: mlir-opt %s -pass-pipeline="builtin.module(func.func(test-diagnostic-metadata))" -o - 2>&1 | FileCheck %s
+// This test verifies that diagnostic handler can filter the diagnostic to emit the errors.
+
+// CHECK-LABEL: Test 'test'
+// CHECK-NEXT: 8:3: error: test diagnostic metadata
+// CHECK-NOT: 13:3: error: test diagnostic metadata
+func.func @test() {
+  "test.test_attr0"() {
+    // CHECK: attr = "emit_error"
+    attr = "emit_error"
+  } : () -> ()
+
+  "test.test_attr1"() {
+    // CHECK: attr = "do_not_emit_error"
+    attr = "do_not_emit_error"
+  } : () -> ()
+
+  return
+}
diff --git a/mlir/test/lib/IR/TestDiagnosticsMetadata.cpp b/mlir/test/lib/IR/TestDiagnosticsMetadata.cpp
new file mode 100644
index 0000000000000..5cb0193baa171
--- /dev/null
+++ b/mlir/test/lib/IR/TestDiagnosticsMetadata.cpp
@@ -0,0 +1,65 @@
+//===- TestDiagnosticsMetadata.cpp - Test Diagnostic Metatdata ------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains test passes for constructing and resolving dominance
+// information.
+//
+//===----------------------------------------------------------------------===//
+
+#include "mlir/IR/SymbolTable.h"
+#include "mlir/Pass/Pass.h"
+#include "llvm/Support/SourceMgr.h"
+
+using namespace mlir;
+
+namespace {
+struct TestDiagnosticMetadataPass
+    : public PassWrapper<TestDiagnosticMetadataPass,
+                         InterfacePass<SymbolOpInterface>> {
+  MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(TestDiagnosticMetadataPass)
+
+  StringRef getArgument() const final { return "test-diagnostic-metadata"; }
+  StringRef getDescription() const final { return "Test diagnostic metadata."; }
+  TestDiagnosticMetadataPass() = default;
+  TestDiagnosticMetadataPass(const TestDiagnosticMetadataPass &) {}
+
+  void runOnOperation() override {
+    llvm::errs() << "Test '" << getOperation().getName() << "'\n";
+
+    // Build a diagnostic handler that has filtering capabilities.
+    ScopedDiagnosticHandler handler(&getContext(), [](mlir::Diagnostic &diag) {
+      return mlir::success(
+          llvm::none_of(diag.getMetadata(), [](mlir::DiagnosticArgument &arg) {
+            return arg.getKind() == mlir::DiagnosticArgument::
+                                        DiagnosticArgumentKind::String &&
+                   arg.getAsString().contains("hello");
+          }));
+    });
+
+    // Emit a diagnostic for every operation with a valid loc.
+    getOperation()->walk([&](Operation *op) {
+      if (StringAttr strAttr = op->getAttrOfType<StringAttr>("attr")) {
+        if (strAttr.getValue() == "emit_error")
+          emitError(op->getLoc(), "test diagnostic metadata")
+              .getUnderlyingDiagnostic()
+              ->getMetadata()
+              .push_back(DiagnosticArgument("hello"));
+      }
+    });
+  }
+};
+
+} // namespace
+
+namespace mlir {
+namespace test {
+void registerTestDiagnosticsMetadataPass() {
+  PassRegistration<TestDiagnosticMetadataPass>{};
+}
+} // namespace test
+} // namespace mlir



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