From 4d293f215dfb6ab6af966175717e86468f708b1c Mon Sep 17 00:00:00 2001
From: Bill Wendling <isanbard@gmail.com>
Date: Tue, 3 Aug 2021 12:49:39 -0700
Subject: [PATCH] [llvm-diff] Create libLLVMDiff library

Some tools may want to use the LLVM "diff" code. Move the code into a
library for easy use.

No functionality change intende.

Differential Revision: https://reviews.llvm.org/D107392
---
 llvm/tools/llvm-diff/CMakeLists.txt                 |  6 +++---
 llvm/tools/llvm-diff/lib/CMakeLists.txt             | 14 ++++++++++++++
 llvm/tools/llvm-diff/{ => lib}/DiffConsumer.cpp     |  0
 llvm/tools/llvm-diff/{ => lib}/DiffConsumer.h       |  0
 llvm/tools/llvm-diff/{ => lib}/DiffLog.cpp          |  0
 llvm/tools/llvm-diff/{ => lib}/DiffLog.h            |  0
 llvm/tools/llvm-diff/{ => lib}/DifferenceEngine.cpp |  0
 llvm/tools/llvm-diff/{ => lib}/DifferenceEngine.h   |  0
 llvm/tools/llvm-diff/llvm-diff.cpp                  |  4 ++--
 9 files changed, 19 insertions(+), 5 deletions(-)
 create mode 100644 llvm/tools/llvm-diff/lib/CMakeLists.txt
 rename llvm/tools/llvm-diff/{ => lib}/DiffConsumer.cpp (100%)
 rename llvm/tools/llvm-diff/{ => lib}/DiffConsumer.h (100%)
 rename llvm/tools/llvm-diff/{ => lib}/DiffLog.cpp (100%)
 rename llvm/tools/llvm-diff/{ => lib}/DiffLog.h (100%)
 rename llvm/tools/llvm-diff/{ => lib}/DifferenceEngine.cpp (100%)
 rename llvm/tools/llvm-diff/{ => lib}/DifferenceEngine.h (100%)

diff --git a/llvm/tools/llvm-diff/CMakeLists.txt b/llvm/tools/llvm-diff/CMakeLists.txt
index 703ed97..d2abab9 100644
--- a/llvm/tools/llvm-diff/CMakeLists.txt
+++ b/llvm/tools/llvm-diff/CMakeLists.txt
@@ -6,10 +6,10 @@ set(LLVM_LINK_COMPONENTS
 
 add_llvm_tool(llvm-diff
   llvm-diff.cpp
-  DiffConsumer.cpp
-  DiffLog.cpp
-  DifferenceEngine.cpp
 
   DEPENDS
   intrinsics_gen
   )
+
+add_subdirectory(lib)
+target_link_libraries(llvm-diff PRIVATE LLVMDiff)
diff --git a/llvm/tools/llvm-diff/lib/CMakeLists.txt b/llvm/tools/llvm-diff/lib/CMakeLists.txt
new file mode 100644
index 0000000..270c3d7
--- /dev/null
+++ b/llvm/tools/llvm-diff/lib/CMakeLists.txt
@@ -0,0 +1,14 @@
+set(LLVM_LINK_COMPONENTS
+    Core
+    Support
+    )
+
+add_llvm_library(LLVMDiff
+  STATIC
+  DiffConsumer.cpp
+  DiffConsumer.h
+  DifferenceEngine.cpp
+  DifferenceEngine.h
+  DiffLog.cpp
+  DiffLog.h
+  )
diff --git a/llvm/tools/llvm-diff/DiffConsumer.cpp b/llvm/tools/llvm-diff/lib/DiffConsumer.cpp
similarity index 100%
rename from llvm/tools/llvm-diff/DiffConsumer.cpp
rename to llvm/tools/llvm-diff/lib/DiffConsumer.cpp
diff --git a/llvm/tools/llvm-diff/DiffConsumer.h b/llvm/tools/llvm-diff/lib/DiffConsumer.h
similarity index 100%
rename from llvm/tools/llvm-diff/DiffConsumer.h
rename to llvm/tools/llvm-diff/lib/DiffConsumer.h
diff --git a/llvm/tools/llvm-diff/DiffLog.cpp b/llvm/tools/llvm-diff/lib/DiffLog.cpp
similarity index 100%
rename from llvm/tools/llvm-diff/DiffLog.cpp
rename to llvm/tools/llvm-diff/lib/DiffLog.cpp
diff --git a/llvm/tools/llvm-diff/DiffLog.h b/llvm/tools/llvm-diff/lib/DiffLog.h
similarity index 100%
rename from llvm/tools/llvm-diff/DiffLog.h
rename to llvm/tools/llvm-diff/lib/DiffLog.h
diff --git a/llvm/tools/llvm-diff/DifferenceEngine.cpp b/llvm/tools/llvm-diff/lib/DifferenceEngine.cpp
similarity index 100%
rename from llvm/tools/llvm-diff/DifferenceEngine.cpp
rename to llvm/tools/llvm-diff/lib/DifferenceEngine.cpp
diff --git a/llvm/tools/llvm-diff/DifferenceEngine.h b/llvm/tools/llvm-diff/lib/DifferenceEngine.h
similarity index 100%
rename from llvm/tools/llvm-diff/DifferenceEngine.h
rename to llvm/tools/llvm-diff/lib/DifferenceEngine.h
diff --git a/llvm/tools/llvm-diff/llvm-diff.cpp b/llvm/tools/llvm-diff/llvm-diff.cpp
index 8a11179..d9d19f3 100644
--- a/llvm/tools/llvm-diff/llvm-diff.cpp
+++ b/llvm/tools/llvm-diff/llvm-diff.cpp
@@ -10,8 +10,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "DiffLog.h"
-#include "DifferenceEngine.h"
+#include "lib/DiffLog.h"
+#include "lib/DifferenceEngine.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/Module.h"
-- 
2.7.4