From 30c1a9fb57c2e68afaecf0a923e90a0187780299 Mon Sep 17 00:00:00 2001
From: Andrey Akhmichin <15944199+nekonomicon@users.noreply.github.com>
Date: Fri, 12 Jan 2024 14:02:25 +0500
Subject: [PATCH] cmake: add option for pollyhedral optimization.

---
 CMakeLists.txt | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c44c8cae..9412d493 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -46,6 +46,7 @@ option(USE_NOVGUI_SCOREBOARD "Prefer non-VGUI Scoreboard when USE_VGUI is enable
 option(USE_VOICEMGR "Enable VOICE MANAGER." OFF)
 option(BUILD_CLIENT "Build client dll" ON)
 option(BUILD_SERVER "Build server dll" ON)
+option(POLLY "Enable pollyhedral optimization" OFF)
 
 if(CMAKE_SIZEOF_VOID_P EQUAL 4 OR
 	((WIN32 OR ${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
@@ -177,3 +178,11 @@ endif()
 if(NOT BUILD_SERVER AND NOT BUILD_CLIENT)
 	message(FATAL_ERROR "Nothing to build")
 endif()
+
+if(POLLY)
+	if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+		add_compile_options(-mllvm -polly)
+	elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+		add_compile_options(-fgraphite-identity -floop-interchange -floop-block)
+	endif()
+endif()