From 839d81862f40f90943ab48e0cc472ad92dea3e3d Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu@google.com>
Date: Wed, 10 Nov 2021 21:21:32 -0800
Subject: [PATCH] [ComprehensiveBufferize] Fix a warning

This patch fixes:

  mlir/lib/Dialect/Linalg/ComprehensiveBufferize/ComprehensiveBufferize.cpp:301:20:
  error: unused function 'printValueInfo' [-Werror,-Wunused-function]
---
 .../Linalg/ComprehensiveBufferize/ComprehensiveBufferize.cpp  | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/mlir/lib/Dialect/Linalg/ComprehensiveBufferize/ComprehensiveBufferize.cpp b/mlir/lib/Dialect/Linalg/ComprehensiveBufferize/ComprehensiveBufferize.cpp
index 1fadf149f164..ba94049bdfb8 100644
--- a/mlir/lib/Dialect/Linalg/ComprehensiveBufferize/ComprehensiveBufferize.cpp
+++ b/mlir/lib/Dialect/Linalg/ComprehensiveBufferize/ComprehensiveBufferize.cpp
@@ -138,8 +138,10 @@ using namespace comprehensive_bufferize;
 #define LDBG(X) LLVM_DEBUG(DBGS() << X)
 
 // Forward declarations.
+#ifndef NDEBUG
 static std::string printOperationInfo(Operation *, bool prefix = true);
 static std::string printValueInfo(Value, bool prefix = true);
+#endif
 
 //===----------------------------------------------------------------------===//
 // Generic helpers.
@@ -266,6 +268,7 @@ static void removeBufferizationFuncArguments(BlockArgument bbArg) {
 // Printing helpers.
 //===----------------------------------------------------------------------===//
 
+#ifndef NDEBUG
 /// Helper method printing the bufferization information of a buffer / tensor.
 static void printTensorOrBufferInfo(std::string prefix, Value value,
                                     AsmState &state, llvm::raw_ostream &os) {
@@ -310,6 +313,7 @@ static std::string printValueInfo(Value value, bool prefix) {
   printTensorOrBufferInfo("\n\t - ", value, state, os);
   return result;
 }
+#endif
 
 //===----------------------------------------------------------------------===//
 // Bufferization-specific alias analysis.