Add LTCG linker flag for optimization (#310)

* Add LTCG linker flag for optimization

Signed-off-by: Neil R. Spruit <neil.r.spruit@intel.com>

* Add /GL and change to /LTCG

Signed-off-by: Neil R. Spruit <neil.r.spruit@intel.com>

* Update to 1_21_8

Signed-off-by: Neil R. Spruit <neil.r.spruit@intel.com>

---------

Signed-off-by: Neil R. Spruit <neil.r.spruit@intel.com>

Author: nrspruit

CHANGELOG.md

@@ -1,5 +1,7 @@
 # Level zero loader changelog
 
+## v1.21.8
+* Add flags for windows optimization during linkage.
 ## v1.21.7
 * Fix handling of sysman init failure given nullptr
 * Fix driver sorting given zesInit only

CMakeLists.txt

@@ -13,7 +13,7 @@ if(MSVC AND (MSVC_VERSION LESS 1900))
 endif()
 
 # This project follows semantic versioning (https://semver.org/)
-project(level-zero VERSION 1.21.7)
+project(level-zero VERSION 1.21.8)
 
 include(GNUInstallDirs)
 
@@ -97,6 +97,8 @@ if(MSVC)
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /DYNAMICBASE")
     set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${CMAKE_CXX_LINKER_WRAPPER_FLAG}/DYNAMICBASE")
     set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${CMAKE_CXX_LINKER_WRAPPER_FLAG}/guard:cf")
+    set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${CMAKE_CXX_LINKER_WRAPPER_FLAG}/LTCG")
+    set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${CMAKE_CXX_LINKER_WRAPPER_FLAG}/GL")
     # enable Spectre Mitigation, not supported by clang-cl
     if((NOT CMAKE_CXX_COMPILER_ID STREQUAL Clang) AND (NOT CMAKE_CXX_COMPILER_ID STREQUAL IntelLLVM))
         set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Qspectre")

PRODUCT_GUID.txt

@@ -1,2 +1,2 @@
-1.21.7
-ea8c478b-bda0-49ea-b79d-9e0954f46e74
+1.21.8
+759452c0-f08f-497c-bcc9-aa2210a8b777