add debug log marker for ease of filtering

Author: j2kun

mlir/lib/IR/CatalogingListener.cpp

@@ -5,22 +5,26 @@
 
 using namespace mlir;
 
+static constexpr StringLiteral catalogPrefix = "CatalogingListener: ";
+
 void RewriterBase::CatalogingListener::notifyOperationInserted(
     Operation *op, InsertPoint previous) {
-  LLVM_DEBUG(llvm::dbgs() << patternName << " | notifyOperationInserted"
+  LLVM_DEBUG(llvm::dbgs() << catalogPrefix << patternName
+                          << " | notifyOperationInserted"
                           << " | " << op->getName() << "\n");
   ForwardingListener::notifyOperationInserted(op, previous);
 }
 
 void RewriterBase::CatalogingListener::notifyOperationModified(Operation *op) {
-  LLVM_DEBUG(llvm::dbgs() << patternName << " | notifyOperationModified"
+  LLVM_DEBUG(llvm::dbgs() << catalogPrefix << patternName
+                          << " | notifyOperationModified"
                           << " | " << op->getName() << "\n");
   ForwardingListener::notifyOperationModified(op);
 }
 
 void RewriterBase::CatalogingListener::notifyOperationReplaced(
     Operation *op, Operation *newOp) {
-  LLVM_DEBUG(llvm::dbgs() << patternName
+  LLVM_DEBUG(llvm::dbgs() << catalogPrefix << patternName
                           << " | notifyOperationReplaced (with op)"
                           << " | " << op->getName() << " | " << newOp->getName()
                           << "\n");
@@ -29,21 +33,23 @@ void RewriterBase::CatalogingListener::notifyOperationReplaced(
 
 void RewriterBase::CatalogingListener::notifyOperationReplaced(
     Operation *op, ValueRange replacement) {
-  LLVM_DEBUG(llvm::dbgs() << patternName
+  LLVM_DEBUG(llvm::dbgs() << catalogPrefix << patternName
                           << " | notifyOperationReplaced (with values)"
                           << " | " << op->getName() << "\n");
   ForwardingListener::notifyOperationReplaced(op, replacement);
 }
 
 void RewriterBase::CatalogingListener::notifyOperationErased(Operation *op) {
-  LLVM_DEBUG(llvm::dbgs() << patternName << " | notifyOperationErased"
+  LLVM_DEBUG(llvm::dbgs() << catalogPrefix << patternName
+                          << " | notifyOperationErased"
                           << " | " << op->getName() << "\n");
   ForwardingListener::notifyOperationErased(op);
 }
 
 void RewriterBase::CatalogingListener::notifyPatternBegin(
     const Pattern &pattern, Operation *op) {
-  LLVM_DEBUG(llvm::dbgs() << patternName << " | notifyPatternBegin"
+  LLVM_DEBUG(llvm::dbgs() << catalogPrefix << patternName
+                          << " | notifyPatternBegin"
                           << " | " << op->getName() << "\n");
   ForwardingListener::notifyPatternBegin(pattern, op);
 }