Author: Mehdi Amini
Date: 2025-09-11T13:33:57+01:00
New Revision: 4a4cc8c0fcec63de73d6b14d258204593c181b79

URL: 
https://github.com/llvm/llvm-project/commit/4a4cc8c0fcec63de73d6b14d258204593c181b79
DIFF: 
https://github.com/llvm/llvm-project/commit/4a4cc8c0fcec63de73d6b14d258204593c181b79.diff

LOG: Revert "Introduce LDBG_OS() macro as a variant of LDBG() (#157194)"

This reverts commit c84f34bcd8c7fb6d5038b3f52da8c7be64ad5189.

Added: 
    

Modified: 
    llvm/include/llvm/Support/Debug.h
    llvm/include/llvm/Support/DebugLog.h
    llvm/unittests/Support/DebugLogTest.cpp
    mlir/lib/Dialect/Transform/IR/TransformOps.cpp

Removed: 
    


################################################################################
diff  --git a/llvm/include/llvm/Support/Debug.h 
b/llvm/include/llvm/Support/Debug.h
index b73f2d7c8b852..a7795d403721c 100644
--- a/llvm/include/llvm/Support/Debug.h
+++ b/llvm/include/llvm/Support/Debug.h
@@ -44,6 +44,11 @@ class raw_ostream;
 /// level, return false.
 LLVM_ABI bool isCurrentDebugType(const char *Type, int Level = 0);
 
+/// Overload allowing to swap the order of the Type and Level arguments.
+LLVM_ABI inline bool isCurrentDebugType(int Level, const char *Type) {
+  return isCurrentDebugType(Type, Level);
+}
+
 /// setCurrentDebugType - Set the current debug type, as if the -debug-only=X
 /// option were specified.  Note that DebugFlag also needs to be set to true 
for
 /// debug output to be produced.

diff  --git a/llvm/include/llvm/Support/DebugLog.h 
b/llvm/include/llvm/Support/DebugLog.h
index 33586dd275573..dce706e196bde 100644
--- a/llvm/include/llvm/Support/DebugLog.h
+++ b/llvm/include/llvm/Support/DebugLog.h
@@ -19,55 +19,52 @@
 namespace llvm {
 #ifndef NDEBUG
 
-/// LDBG() is a macro that can be used as a raw_ostream for debugging.
-/// It will stream the output to the dbgs() stream, with a prefix of the
-/// debug type and the file and line number. A trailing newline is added to the
-/// output automatically. If the streamed content contains a newline, the 
prefix
-/// is added to each beginning of a new line. Nothing is printed if the debug
-/// output is not enabled or the debug type does not match.
-///
-/// E.g.,
-///   LDBG() << "Bitset contains: " << Bitset;
-/// is equivalent to
-///   LLVM_DEBUG(dbgs() << "[" << DEBUG_TYPE << "] " << __FILE__ << ":" <<
-///   __LINE__ << " "
-///              << "Bitset contains: " << Bitset << "\n");
-///
+// LDBG() is a macro that can be used as a raw_ostream for debugging.
+// It will stream the output to the dbgs() stream, with a prefix of the
+// debug type and the file and line number. A trailing newline is added to the
+// output automatically. If the streamed content contains a newline, the prefix
+// is added to each beginning of a new line. Nothing is printed if the debug
+// output is not enabled or the debug type does not match.
+//
+// E.g.,
+//   LDBG() << "Bitset contains: " << Bitset;
+// is somehow equivalent to
+//   LLVM_DEBUG(dbgs() << "[" << DEBUG_TYPE << "] " << __FILE__ << ":" <<
+//   __LINE__ << " "
+//              << "Bitset contains: " << Bitset << "\n");
+//
 // An optional `level` argument can be provided to control the verbosity of the
-/// output. The default level is 1, and is in increasing level of verbosity.
-///
-/// The `level` argument can be a literal integer, or a macro that evaluates to
-/// an integer.
-///
-/// An optional `type` argument can be provided to control the debug type. The
-/// default type is DEBUG_TYPE. The `type` argument can be a literal string, or
-/// a macro that evaluates to a string.
-///
-/// E.g.,
-///   LDBG(2) << "Bitset contains: " << Bitset;
-///   LDBG("debug_type") << "Bitset contains: " << Bitset;
-///   LDBG("debug_type", 2) << "Bitset contains: " << Bitset;
+// output. The default level is 1, and is in increasing level of verbosity.
+//
+// The `level` argument can be a literal integer, or a macro that evaluates to
+// an integer.
+//
+// An optional `type` argument can be provided to control the debug type. The
+// default type is DEBUG_TYPE. The `type` argument can be a literal string, or 
a
+// macro that evaluates to a string.
 #define LDBG(...) _GET_LDBG_MACRO(__VA_ARGS__)(__VA_ARGS__)
 
-/// LDBG_OS() is a macro that behaves like LDBG() but instead of directly using
-/// it to stream the output, it takes a callback function that will be called
-/// with a raw_ostream.
-/// This is useful when you need to pass a `raw_ostream` to a helper function 
to
-/// be able to print (when the `<<` operator is not available).
-///
-/// E.g.,
-///   LDBG_OS([&] (raw_ostream &Os) {
-///     Os << "Pass Manager contains: ";
-///     pm.printAsTextual(Os);
-///   });
-///
-/// Just like LDBG(), it optionally accepts a `level` and `type` arguments.
-/// E.g.,
-///   LDBG_OS(2, [&] (raw_ostream &Os) { ... });
-///   LDBG_OS("debug_type", [&] (raw_ostream &Os) { ... });
-///   LDBG_OS("debug_type", 2, [&] (raw_ostream &Os) { ... });
-///
-#define LDBG_OS(...) _GET_LDBG_OS_MACRO(__VA_ARGS__)(__VA_ARGS__)
+// Helper macros to choose the correct macro based on the number of arguments.
+#define LDBG_FUNC_CHOOSER(_f1, _f2, _f3, ...) _f3
+#define LDBG_FUNC_RECOMPOSER(argsWithParentheses)                              
\
+  LDBG_FUNC_CHOOSER argsWithParentheses
+#define LDBG_CHOOSE_FROM_ARG_COUNT(...)                                        
\
+  LDBG_FUNC_RECOMPOSER(                                                        
\
+      (__VA_ARGS__, LDBG_LOG_LEVEL_WITH_TYPE, LDBG_LOG_LEVEL, ))
+#define LDBG_NO_ARG_EXPANDER() , , LDBG_LOG_LEVEL_1
+#define _GET_LDBG_MACRO(...)                                                   
\
+  LDBG_CHOOSE_FROM_ARG_COUNT(LDBG_NO_ARG_EXPANDER __VA_ARGS__())
+
+// Dispatch macros to support the `level` argument or none (default to 1)
+#define LDBG_LOG_LEVEL(LEVEL)                                                  
\
+  DEBUGLOG_WITH_STREAM_AND_TYPE(llvm::dbgs(), LEVEL, DEBUG_TYPE)
+#define LDBG_LOG_LEVEL_1() LDBG_LOG_LEVEL(1)
+// This macro is a helper when LDBG() is called with 2 arguments.
+// In this case we want to allow the order of the arguments to be swapped.
+// We rely on the fact that the `level` argument is an integer, and the `type`
+// is a string and dispatch to a C++ API that is overloaded.
+#define LDBG_LOG_LEVEL_WITH_TYPE(LEVEL_OR_TYPE, TYPE_OR_LEVEL)                 
\
+  DEBUGLOG_WITH_STREAM_AND_TYPE(llvm::dbgs(), (LEVEL_OR_TYPE), (TYPE_OR_LEVEL))
 
 // We want the filename without the full path. We are using the __FILE__ macro
 // and a constexpr function to strip the path prefix. We can avoid the frontend
@@ -79,155 +76,22 @@ namespace llvm {
 #define __LLVM_FILE_NAME__ ::llvm::impl::getShortFileName(__FILE__)
 #endif
 
-// Everything below are implementation details of the macros above.
-namespace impl {
-
-/// This macro expands to the stream to use for output, we use a macro to allow
-/// unit-testing to override.
-#define LDBG_STREAM ::llvm::dbgs()
-
-// ----------------------------------------------------------------------------
-// LDBG() implementation
-// ----------------------------------------------------------------------------
-
-// Helper macros to choose the correct LDBG() macro based on the number of
-// arguments.
-#define LDBG_FUNC_CHOOSER(_f1, _f2, _f3, ...) _f3
-#define LDBG_FUNC_RECOMPOSER(argsWithParentheses)                              
\
-  LDBG_FUNC_CHOOSER argsWithParentheses
-#define LDBG_CHOOSE_FROM_ARG_COUNT(...)                                        
\
-  LDBG_FUNC_RECOMPOSER((__VA_ARGS__, LDBG_TYPE_AND_LEVEL, LDBG_LEVEL_OR_TYPE, 
))
-#define LDBG_NO_ARG_EXPANDER() , , LDBG_NO_ARG
-#define _GET_LDBG_MACRO(...)                                                   
\
-  LDBG_CHOOSE_FROM_ARG_COUNT(LDBG_NO_ARG_EXPANDER __VA_ARGS__())
-
-/// This macro is the core of the LDBG() implementation. It is used to print 
the
-/// debug output with the given stream, level, type, file, and line number.
-#define LDBG_STREAM_LEVEL_TYPE_FILE_AND_LINE(STREAM, LEVEL_OR_TYPE,            
\
-                                             TYPE_OR_LEVEL, FILE, LINE)        
\
-  for (bool _c = ::llvm::DebugFlag && ::llvm::impl::ldbgIsCurrentDebugType(    
\
-                                          TYPE_OR_LEVEL, LEVEL_OR_TYPE);       
\
+#define DEBUGLOG_WITH_STREAM_TYPE_FILE_AND_LINE(STREAM, LEVEL, TYPE, FILE,     
\
+                                                LINE)                          
\
+  for (bool _c =                                                               
\
+           (::llvm::DebugFlag && ::llvm::isCurrentDebugType(TYPE, LEVEL));     
\
        _c; _c = false)                                                         
\
-  ::llvm::impl::raw_ldbg_ostream{                                              
\
-      ::llvm::impl::computePrefix(TYPE_OR_LEVEL, FILE, LINE, LEVEL_OR_TYPE),   
\
-      (STREAM), /*ShouldPrefixNextString=*/true,                               
\
-      /*ShouldEmitNewLineOnDestruction=*/true}                                 
\
-      .asLvalue()
-
-/// These macros are helpers to implement LDBG() with an increasing amount of
-/// optional arguments made explicit.
-#define LDBG_STREAM_LEVEL_TYPE_AND_FILE(STREAM, LEVEL_OR_TYPE, TYPE_OR_LEVEL,  
\
-                                        FILE)                                  
\
-  LDBG_STREAM_LEVEL_TYPE_FILE_AND_LINE(STREAM, LEVEL_OR_TYPE, TYPE_OR_LEVEL,   
\
-                                       FILE, __LINE__)
-#define LDGB_STREAM_LEVEL_AND_TYPE(STREAM, LEVEL_OR_TYPE, TYPE_OR_LEVEL)       
\
-  LDBG_STREAM_LEVEL_TYPE_AND_FILE(STREAM, LEVEL_OR_TYPE, TYPE_OR_LEVEL,        
\
-                                  __LLVM_FILE_NAME__)
-/// This macro is a helper when LDBG() is called with 2 arguments.
-/// In this case we want to force the first argument to be the type for
-/// consistency in the codebase.
-/// We trick this by casting the first argument to a (const char *) which
-/// won't compile with an int.
-#define LDBG_TYPE_AND_LEVEL(TYPE, LEVEL)                                       
\
-  LDGB_STREAM_LEVEL_AND_TYPE(LDBG_STREAM, static_cast<const char *>(TYPE),     
\
-                             (LEVEL))
-
-/// When a single argument is provided. This can be either a level or the debug
-/// type. If a level is provided, we default the debug type to DEBUG_TYPE, if a
-/// string is provided, we default the level to 1.
-#define LDBG_LEVEL_OR_TYPE(LEVEL_OR_TYPE)                                      
\
-  LDGB_STREAM_LEVEL_AND_TYPE(LDBG_STREAM, (LEVEL_OR_TYPE),                     
\
-                             LDBG_GET_DEFAULT_TYPE_OR_LEVEL(LEVEL_OR_TYPE))
-#define LDBG_NO_ARG() LDBG_LEVEL_OR_TYPE(1)
-
-// ----------------------------------------------------------------------------
-// LDBG_OS() implementation
-// ----------------------------------------------------------------------------
-
-// Helper macros to choose the correct LDBG_OS() macro based on the number of
-// arguments.
-#define LDBG_OS_FUNC_CHOOSER(_f1, _f2, _f3, _f4, ...) _f4
-#define LDBG_OS_FUNC_RECOMPOSER(argsWithParentheses)                           
\
-  LDBG_OS_FUNC_CHOOSER argsWithParentheses
-#define LDBG_OS_CHOOSE_FROM_ARG_COUNT(...)                                     
\
-  LDBG_OS_FUNC_RECOMPOSER((__VA_ARGS__, LDBG_OS_TYPE_AND_LEVEL_AND_CALLBACK,   
\
-                           LDBG_OS_LEVEL_OR_TYPE_AND_CALLBACK,                 
\
-                           LDBG_OS_CALLBACK, ))
-#define LDBG_OS_NO_ARG_EXPANDER() , , , LDBG_OS_CALLBACK
-#define _GET_LDBG_OS_MACRO(...)                                                
\
-  LDBG_OS_CHOOSE_FROM_ARG_COUNT(LDBG_OS_NO_ARG_EXPANDER __VA_ARGS__())
-
-/// This macro is the core of the LDBG_OS() macros. It is used to print the
-/// debug output with the given stream, level, type, file, and line number.
-#define LDBG_OS_IMPL(TYPE_OR_LEVEL, LEVEL_OR_TYPE, CALLBACK, STREAM, FILE,     
\
-                     LINE)                                                     
\
-  if (::llvm::DebugFlag &&                                                     
\
-      ::llvm::impl::ldbgIsCurrentDebugType(TYPE_OR_LEVEL, LEVEL_OR_TYPE)) {    
\
-    ::llvm::impl::raw_ldbg_ostream LdbgOS{                                     
\
-        ::llvm::impl::computePrefix(TYPE_OR_LEVEL, FILE, LINE, LEVEL_OR_TYPE), 
\
-        (STREAM), /*ShouldPrefixNextString=*/true,                             
\
-        /*ShouldEmitNewLineOnDestruction=*/true};                              
\
-    CALLBACK(LdbgOS);                                                          
\
-  }
+    for (::llvm::impl::raw_ldbg_ostream LdbgOS{                                
\
+             ::llvm::impl::computePrefix(TYPE, FILE, LINE, LEVEL), (STREAM)};  
\
+         _c; _c = false)                                                       
\
+  ::llvm::impl::RAIINewLineStream{LdbgOS}.asLvalue()
 
-#define LDBG_OS_TYPE_AND_LEVEL_AND_CALLBACK(TYPE, LEVEL, CALLBACK)             
\
-  LDBG_OS_IMPL(static_cast<const char *>(TYPE), LEVEL, CALLBACK, LDBG_STREAM,  
\
-               __LLVM_FILE_NAME__, __LINE__)
-#define LDBG_OS_LEVEL_OR_TYPE_AND_CALLBACK(LEVEL_OR_TYPE, CALLBACK)            
\
-  LDBG_OS_IMPL(LDBG_GET_DEFAULT_TYPE_OR_LEVEL(LEVEL_OR_TYPE), LEVEL_OR_TYPE,   
\
-               CALLBACK, LDBG_STREAM, __LLVM_FILE_NAME__, __LINE__)
-#define LDBG_OS_CALLBACK(CALLBACK)                                             
\
-  LDBG_OS_LEVEL_OR_TYPE_AND_CALLBACK(1, CALLBACK)
+#define DEBUGLOG_WITH_STREAM_TYPE_AND_FILE(STREAM, LEVEL, TYPE, FILE)          
\
+  DEBUGLOG_WITH_STREAM_TYPE_FILE_AND_LINE(STREAM, LEVEL, TYPE, FILE, __LINE__)
+#define DEBUGLOG_WITH_STREAM_AND_TYPE(STREAM, LEVEL, TYPE)                     
\
+  DEBUGLOG_WITH_STREAM_TYPE_AND_FILE(STREAM, LEVEL, TYPE, __LLVM_FILE_NAME__)
 
-// ----------------------------------------------------------------------------
-// General Helpers for the implementation above
-// ----------------------------------------------------------------------------
-
-/// Return the stringified macro as a StringRef.
-/// Also, strip out potential surrounding quotes: this comes from an artifact 
of
-/// the macro stringification, if DEBUG_TYPE is undefined we get the string
-/// "DEBUG_TYPE", however if it is defined we get the string with the quotes.
-/// For example if DEBUG_TYPE is "foo", we get "\"foo\"" but we want to return
-/// "foo" here.
-constexpr ::llvm::StringRef strip_quotes(const char *Str) {
-  ::llvm::StringRef S(Str);
-  if (Str[0] == '"' && Str[S.size() - 1] == '"')
-    return StringRef(Str + 1, S.size() - 2);
-  return S;
-}
-
-/// Helper to provide the default level (=1) or type (=DEBUG_TYPE). This is 
used
-/// when a single argument is passed to LDBG() (or LDBG_OS()), if it is an
-/// integer we return DEBUG_TYPE and if it is a string we return 1. This fails
-/// with a static_assert if we pass an integer and DEBUG_TYPE is not defined.
-#define LDBG_GET_DEFAULT_TYPE_OR_LEVEL(LEVEL_OR_TYPE)                          
\
-  [](auto LevelOrType) {                                                       
\
-    if constexpr (std::is_integral_v<decltype(LevelOrType)>) {                 
\
-      constexpr const char *DebugType = LDBG_GET_DEBUG_TYPE_STR();             
\
-      if constexpr (DebugType[0] == '"')                                       
\
-        return ::llvm::impl::strip_quotes(DebugType);                          
\
-      else                                                                     
\
-        static_assert(false, "DEBUG_TYPE is not defined");                     
\
-    } else {                                                                   
\
-      return 1;                                                                
\
-    }                                                                          
\
-  }(LEVEL_OR_TYPE)
-
-/// Helpers to get DEBUG_TYPE as a StringRef, even when DEBUG_TYPE is not
-/// defined (in which case it expands to "DEBUG_TYPE")
-#define LDBG_GET_DEBUG_TYPE_STR__(X) #X
-#define LDBG_GET_DEBUG_TYPE_STR_(X) LDBG_GET_DEBUG_TYPE_STR__(X)
-#define LDBG_GET_DEBUG_TYPE_STR() LDBG_GET_DEBUG_TYPE_STR_(DEBUG_TYPE)
-
-/// Helper to call isCurrentDebugType with a StringRef.
-static LLVM_ATTRIBUTE_UNUSED bool ldbgIsCurrentDebugType(StringRef Type,
-                                                         int Level) {
-  return ::llvm::isCurrentDebugType(Type.str().c_str(), Level);
-}
-static LLVM_ATTRIBUTE_UNUSED bool ldbgIsCurrentDebugType(int Level,
-                                                         StringRef Type) {
-  return ::llvm::isCurrentDebugType(Type.str().c_str(), Level);
-}
+namespace impl {
 
 /// A raw_ostream that tracks `\n` and print the prefix after each
 /// newline.
@@ -235,7 +99,6 @@ class LLVM_ABI raw_ldbg_ostream final : public raw_ostream {
   std::string Prefix;
   raw_ostream &Os;
   bool ShouldPrefixNextString;
-  bool ShouldEmitNewLineOnDestruction;
 
   /// Split the line on newlines and insert the prefix before each
   /// newline. Forward everything to the underlying stream.
@@ -268,17 +131,12 @@ class LLVM_ABI raw_ldbg_ostream final : public 
raw_ostream {
 
 public:
   explicit raw_ldbg_ostream(std::string Prefix, raw_ostream &Os,
-                            bool ShouldPrefixNextString = true,
-                            bool ShouldEmitNewLineOnDestruction = false)
+                            bool ShouldPrefixNextString = true)
       : Prefix(std::move(Prefix)), Os(Os),
-        ShouldPrefixNextString(ShouldPrefixNextString),
-        ShouldEmitNewLineOnDestruction(ShouldEmitNewLineOnDestruction) {
+        ShouldPrefixNextString(ShouldPrefixNextString) {
     SetUnbuffered();
   }
-  ~raw_ldbg_ostream() final {
-    if (ShouldEmitNewLineOnDestruction)
-      Os << '\n';
-  }
+  ~raw_ldbg_ostream() final {}
 
   /// Forward the current_pos method to the underlying stream.
   uint64_t current_pos() const final { return Os.tell(); }
@@ -315,17 +173,17 @@ getShortFileName(const char *path) {
 /// "[DebugType] File:Line "
 /// Where the File is the file name without the path prefix.
 static LLVM_ATTRIBUTE_UNUSED std::string
-computePrefix(StringRef DebugType, const char *File, int Line, int Level) {
+computePrefix(const char *DebugType, const char *File, int Line, int Level) {
   std::string Prefix;
   raw_string_ostream OsPrefix(Prefix);
-  if (!DebugType.empty())
+  if (DebugType)
     OsPrefix << "[" << DebugType << ":" << Level << "] ";
   OsPrefix << File << ":" << Line << " ";
   return OsPrefix.str();
 }
 /// Overload allowing to swap the order of the DebugType and Level arguments.
 static LLVM_ATTRIBUTE_UNUSED std::string
-computePrefix(int Level, const char *File, int Line, StringRef DebugType) {
+computePrefix(int Level, const char *File, int Line, const char *DebugType) {
   return computePrefix(DebugType, File, Line, Level);
 }
 
@@ -336,7 +194,6 @@ computePrefix(int Level, const char *File, int Line, 
StringRef DebugType) {
 #define LDBG(...)                                                              
\
   for (bool _c = false; _c; _c = false)                                        
\
   ::llvm::nulls()
-#define LDBG_OS(...)
 #endif
 } // end namespace llvm
 

diff  --git a/llvm/unittests/Support/DebugLogTest.cpp 
b/llvm/unittests/Support/DebugLogTest.cpp
index da3851ed86b35..e087705b72586 100644
--- a/llvm/unittests/Support/DebugLogTest.cpp
+++ b/llvm/unittests/Support/DebugLogTest.cpp
@@ -27,7 +27,7 @@ TEST(DebugLogTest, Basic) {
   {
     std::string str;
     raw_string_ostream os(str);
-    LDGB_STREAM_LEVEL_AND_TYPE(os, "", 0) << "NoType";
+    DEBUGLOG_WITH_STREAM_AND_TYPE(os, 0, nullptr) << "NoType";
     EXPECT_FALSE(StringRef(os.str()).starts_with('['));
     EXPECT_TRUE(StringRef(os.str()).ends_with("NoType\n"));
   }
@@ -36,8 +36,8 @@ TEST(DebugLogTest, Basic) {
   {
     std::string str;
     raw_string_ostream os(str);
-    LDGB_STREAM_LEVEL_AND_TYPE(os, 0, "A") << "A";
-    LDGB_STREAM_LEVEL_AND_TYPE(os, "B", 0) << "B";
+    DEBUGLOG_WITH_STREAM_AND_TYPE(os, 0, "A") << "A";
+    DEBUGLOG_WITH_STREAM_AND_TYPE(os, 0, "B") << "B";
     EXPECT_TRUE(StringRef(os.str()).starts_with('['));
     EXPECT_THAT(os.str(), AllOf(HasSubstr("A\n"), HasSubstr("B\n")));
   }
@@ -48,18 +48,18 @@ TEST(DebugLogTest, Basic) {
     raw_string_ostream os(str);
     // Just check that the macro doesn't result in dangling else.
     if (true)
-      LDGB_STREAM_LEVEL_AND_TYPE(os, 0, "A") << "A";
+      DEBUGLOG_WITH_STREAM_AND_TYPE(os, 0, "A") << "A";
     else
-      LDGB_STREAM_LEVEL_AND_TYPE(os, 0, "A") << "B";
-    LDGB_STREAM_LEVEL_AND_TYPE(os, 0, "B") << "B";
+      DEBUGLOG_WITH_STREAM_AND_TYPE(os, 0, "A") << "B";
+    DEBUGLOG_WITH_STREAM_AND_TYPE(os, 0, "B") << "B";
     EXPECT_THAT(os.str(), AllOf(HasSubstr("A\n"), Not(HasSubstr("B\n"))));
 
     int count = 0;
     auto inc = [&]() { return ++count; };
     EXPECT_THAT(count, Eq(0));
-    LDGB_STREAM_LEVEL_AND_TYPE(os, 0, "A") << inc();
+    DEBUGLOG_WITH_STREAM_AND_TYPE(os, 0, "A") << inc();
     EXPECT_THAT(count, Eq(1));
-    LDGB_STREAM_LEVEL_AND_TYPE(os, 0, "B") << inc();
+    DEBUGLOG_WITH_STREAM_AND_TYPE(os, 0, "B") << inc();
     EXPECT_THAT(count, Eq(1));
   }
 }
@@ -75,7 +75,7 @@ TEST(DebugLogTest, BasicWithLevel) {
   raw_string_ostream os(str);
   for (auto type : {"A", "B", "C", "D"})
     for (int level : llvm::seq<int>(0, 4))
-      LDBG_STREAM_LEVEL_TYPE_FILE_AND_LINE(os, level, type, type, level)
+      DEBUGLOG_WITH_STREAM_TYPE_FILE_AND_LINE(os, level, type, type, level)
           << level;
   EXPECT_EQ(os.str(), "[A:0] A:0 0\n[A:1] A:1 1\n[A:2] A:2 2\n[A:3] A:3 "
                       "3\n[B:0] B:0 0\n[B:1] B:1 1\n[C:0] C:0 0\n");
@@ -92,7 +92,7 @@ TEST(DebugLogTest, NegativeLevel) {
   raw_string_ostream os(str);
   for (auto type : {"A", "B"})
     for (int level : llvm::seq<int>(0, 2))
-      LDBG_STREAM_LEVEL_TYPE_FILE_AND_LINE(os, level, type, type, level)
+      DEBUGLOG_WITH_STREAM_TYPE_FILE_AND_LINE(os, level, type, type, level)
           << level;
   EXPECT_EQ(os.str(), "[A:0] A:0 0\n[B:0] B:0 0\n[B:1] B:1 1\n");
 }
@@ -128,115 +128,6 @@ TEST(DebugLogTest, DestructorPrefix) {
   // After destructors, nothing should have been printed.
   EXPECT_EQ(os.str(), "");
 }
-
-TEST(DebugLogTest, LDBG_MACROS) {
-  llvm::DebugFlag = true;
-  static const char *DT[] = {"A:3", "B:2"};
-  setCurrentDebugTypes(DT, sizeof(DT) / sizeof(DT[0]));
-  std::string Str;
-  raw_string_ostream DebugOs(Str);
-  std::string StrExpected;
-  raw_string_ostream ExpectedOs(StrExpected);
-#undef LDBG_STREAM
-#define LDBG_STREAM DebugOs
-#define DEBUG_TYPE "A"
-  LDBG() << "Hello, world!";
-  ExpectedOs << "[A:1] " << __LLVM_FILE_NAME__ << ":" << (__LINE__ - 1)
-             << " Hello, world!\n";
-  EXPECT_EQ(DebugOs.str(), ExpectedOs.str());
-  Str.clear();
-  StrExpected.clear();
-
-  // Test with a level, no type.
-  LDBG(2) << "Hello, world!";
-  ExpectedOs << "[A:2] " << __LLVM_FILE_NAME__ << ":" << (__LINE__ - 1)
-             << " Hello, world!\n";
-  EXPECT_EQ(DebugOs.str(), ExpectedOs.str());
-  Str.clear();
-  StrExpected.clear();
-
-// Now the type will be explicit, check we don't use DEBUG_TYPE.
-#undef DEBUG_TYPE
-
-  // Test with a type
-  LDBG("B") << "Hello, world!";
-  ExpectedOs << "[B:1] " << __LLVM_FILE_NAME__ << ":" << (__LINE__ - 1)
-             << " Hello, world!\n";
-  EXPECT_EQ(DebugOs.str(), ExpectedOs.str());
-  Str.clear();
-  StrExpected.clear();
-
-  // Test with a type and a level
-  LDBG("B", 2) << "Hello, world!";
-  ExpectedOs << "[B:2] " << __LLVM_FILE_NAME__ << ":" << (__LINE__ - 1)
-             << " Hello, world!\n";
-  EXPECT_EQ(DebugOs.str(), ExpectedOs.str());
-  Str.clear();
-  StrExpected.clear();
-
-  // Test with a type not enabled.
-  LDBG("C", 1) << "Hello, world!";
-  EXPECT_EQ(DebugOs.str(), "");
-
-  // Test with a level not enabled.
-  LDBG("B", 3) << "Hello, world!";
-  EXPECT_EQ(DebugOs.str(), "");
-}
-
-TEST(DebugLogTest, LDBG_OS_MACROS) {
-  llvm::DebugFlag = true;
-  static const char *DT[] = {"A:3", "B:2"};
-  setCurrentDebugTypes(DT, sizeof(DT) / sizeof(DT[0]));
-  std::string Str;
-  raw_string_ostream DebugOs(Str);
-  std::string StrExpected;
-  raw_string_ostream ExpectedOs(StrExpected);
-#undef LDBG_STREAM
-#define LDBG_STREAM DebugOs
-#define DEBUG_TYPE "A"
-  LDBG_OS([](raw_ostream &Os) { Os << "Hello, world!"; });
-  ExpectedOs << "[A:1] " << __LLVM_FILE_NAME__ << ":" << (__LINE__ - 1)
-             << " Hello, world!\n";
-  EXPECT_EQ(DebugOs.str(), ExpectedOs.str());
-  Str.clear();
-  StrExpected.clear();
-
-  // Test with a level, no type.
-  LDBG_OS(2, [](raw_ostream &Os) { Os << "Hello, world!"; });
-  ExpectedOs << "[A:2] " << __LLVM_FILE_NAME__ << ":" << (__LINE__ - 1)
-             << " Hello, world!\n";
-  EXPECT_EQ(DebugOs.str(), ExpectedOs.str());
-  Str.clear();
-  StrExpected.clear();
-
-// Now the type will be explicit, check we don't use DEBUG_TYPE.
-#undef DEBUG_TYPE
-
-  // Test with a type.
-  LDBG_OS("B", [](raw_ostream &Os) { Os << "Hello, world!"; });
-  ExpectedOs << "[B:1] " << __LLVM_FILE_NAME__ << ":" << (__LINE__ - 1)
-             << " Hello, world!\n";
-  EXPECT_EQ(DebugOs.str(), ExpectedOs.str());
-  Str.clear();
-  StrExpected.clear();
-
-  // Test with a type and a level
-  LDBG_OS("B", 2, [](raw_ostream &Os) { Os << "Hello, world!"; });
-  ExpectedOs << "[B:2] " << __LLVM_FILE_NAME__ << ":" << (__LINE__ - 1)
-             << " Hello, world!\n";
-  EXPECT_EQ(DebugOs.str(), ExpectedOs.str());
-  Str.clear();
-  StrExpected.clear();
-
-  // Test with a type not enabled.
-  LDBG_OS("C", 1, [](raw_ostream &Os) { Os << "Hello, world!"; });
-  EXPECT_EQ(DebugOs.str(), "");
-
-  // Test with a level not enabled.
-  LDBG_OS("B", 3, [](raw_ostream &Os) { Os << "Hello, world!"; });
-  EXPECT_EQ(DebugOs.str(), "");
-}
-
 #else
 TEST(DebugLogTest, Basic) {
   // LDBG should be compiled out in NDEBUG, so just check it compiles and has

diff  --git a/mlir/lib/Dialect/Transform/IR/TransformOps.cpp 
b/mlir/lib/Dialect/Transform/IR/TransformOps.cpp
index 132ed815c354e..aba6178a2ea6c 100644
--- a/mlir/lib/Dialect/Transform/IR/TransformOps.cpp
+++ b/mlir/lib/Dialect/Transform/IR/TransformOps.cpp
@@ -1151,7 +1151,7 @@ 
transform::CollectMatchingOp::apply(transform::TransformRewriter &rewriter,
   std::optional<DiagnosedSilenceableFailure> maybeFailure;
   for (Operation *root : state.getPayloadOps(getRoot())) {
     WalkResult walkResult = root->walk([&](Operation *op) {
-      LDBG(DEBUG_TYPE_MATCHER, 1)
+      LDBG(1, DEBUG_TYPE_MATCHER)
           << "matching "
           << OpWithFlags(op, OpPrintingFlags().assumeVerified().skipRegions())
           << " @" << op;
@@ -1166,7 +1166,7 @@ 
transform::CollectMatchingOp::apply(transform::TransformRewriter &rewriter,
       if (diag.isDefiniteFailure())
         return WalkResult::interrupt();
       if (diag.isSilenceableFailure()) {
-        LDBG(DEBUG_TYPE_MATCHER, 1) << "matcher " << matcher.getName()
+        LDBG(1, DEBUG_TYPE_MATCHER) << "matcher " << matcher.getName()
                                     << " failed: " << diag.getMessage();
         return WalkResult::advance();
       }
@@ -1298,7 +1298,7 @@ 
transform::ForeachMatchOp::apply(transform::TransformRewriter &rewriter,
       if (!getRestrictRoot() && op == root)
         return WalkResult::advance();
 
-      LDBG(DEBUG_TYPE_MATCHER, 1)
+      LDBG(1, DEBUG_TYPE_MATCHER)
           << "matching "
           << OpWithFlags(op, OpPrintingFlags().assumeVerified().skipRegions())
           << " @" << op;
@@ -1314,7 +1314,7 @@ 
transform::ForeachMatchOp::apply(transform::TransformRewriter &rewriter,
         if (diag.isDefiniteFailure())
           return WalkResult::interrupt();
         if (diag.isSilenceableFailure()) {
-          LDBG(DEBUG_TYPE_MATCHER, 1) << "matcher " << matcher.getName()
+          LDBG(1, DEBUG_TYPE_MATCHER) << "matcher " << matcher.getName()
                                       << " failed: " << diag.getMessage();
           continue;
         }
@@ -2165,10 +2165,10 @@ DiagnosedSilenceableFailure 
transform::MatchOperationEmptyOp::matchOperation(
     ::std::optional<::mlir::Operation *> maybeCurrent,
     transform::TransformResults &results, transform::TransformState &state) {
   if (!maybeCurrent.has_value()) {
-    LDBG(DEBUG_TYPE_MATCHER, 1) << "MatchOperationEmptyOp success";
+    LDBG(1, DEBUG_TYPE_MATCHER) << "MatchOperationEmptyOp success";
     return DiagnosedSilenceableFailure::success();
   }
-  LDBG(DEBUG_TYPE_MATCHER, 1) << "MatchOperationEmptyOp failure";
+  LDBG(1, DEBUG_TYPE_MATCHER) << "MatchOperationEmptyOp failure";
   return emitSilenceableError() << "operation is not empty";
 }
 


        
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