Merge pull request #11671 from dotnet/PerfTrigger

[platform/upstream/coreclr.git] / pgosupport.cmake

diff --git a/pgosupport.cmake b/pgosupport.cmake
index 015eed6..dbba415 100644 (file)
--- a/pgosupport.cmake
+++ b/pgosupport.cmake
@@ -10,31 +10,43 @@ endfunction(clr_pgo_unknown_arch)
 function(add_pgo TargetName)
     if(WIN32)
         set(ProfileFileName "${TargetName}.pgd")
+    else(WIN32)
+        # Clang/LLVM uses one profdata file for the entire repo
+        set(ProfileFileName "coreclr.profdata")
     endif(WIN32)
 
+    set(CLR_CMAKE_OPTDATA_PACKAGEWITHRID "optimization.${CLR_CMAKE_TARGET_OS}-${CLR_CMAKE_TARGET_ARCH}.PGO.CoreCLR")
     file(TO_NATIVE_PATH
-        "${CLR_CMAKE_PACKAGES_DIR}/Microsoft.DotNet.OptimizationData.Coreclr/${CLR_CMAKE_TARGET_OS}.${CLR_CMAKE_TARGET_ARCH}/${ProfileFileName}"
+        "${CLR_CMAKE_PACKAGES_DIR}/${CLR_CMAKE_OPTDATA_PACKAGEWITHRID}/${CLR_CMAKE_OPTDATA_VERSION}/data/${ProfileFileName}"
         ProfilePath
     )
 
-    # Enable PGO only for optimized configs
-    set(ConfigTypeList RELEASE RELWITHDEBINFO)
-
-    foreach(ConfigType IN LISTS ConfigTypeList)
-        set(LinkFlagsProperty "LINK_FLAGS_${ConfigType}")
-        if(CLR_CMAKE_PGO_INSTRUMENT)
+    if(CLR_CMAKE_PGO_INSTRUMENT)
+        if(WIN32)
+            set_property(TARGET ${TargetName} APPEND_STRING PROPERTY LINK_FLAGS_RELEASE        " /LTCG /GENPROFILE")
+            set_property(TARGET ${TargetName} APPEND_STRING PROPERTY LINK_FLAGS_RELWITHDEBINFO " /LTCG /GENPROFILE")
+        else(WIN32)
+            if(UPPERCASE_CMAKE_BUILD_TYPE STREQUAL RELEASE OR UPPERCASE_CMAKE_BUILD_TYPE STREQUAL RELWITHDEBINFO)
+                target_compile_options(${TargetName} PRIVATE -flto -fprofile-instr-generate)
+                set_property(TARGET ${TargetName} APPEND_STRING PROPERTY LINK_FLAGS " -flto -fuse-ld=gold -fprofile-instr-generate")
+            endif(UPPERCASE_CMAKE_BUILD_TYPE STREQUAL RELEASE OR UPPERCASE_CMAKE_BUILD_TYPE STREQUAL RELWITHDEBINFO)
+        endif(WIN32)
+    else(CLR_CMAKE_PGO_INSTRUMENT)
+        # If we don't have profile data availble, gracefully fall back to a non-PGO opt build
+        if(EXISTS ${ProfilePath})
             if(WIN32)
-                set_property(TARGET ${TargetName} APPEND_STRING PROPERTY ${LinkFlagsProperty} "/LTCG /GENPROFILE")
+                set_property(TARGET ${TargetName} APPEND_STRING PROPERTY LINK_FLAGS_RELEASE        " /LTCG /USEPROFILE:PGD=${ProfilePath}")
+                set_property(TARGET ${TargetName} APPEND_STRING PROPERTY LINK_FLAGS_RELWITHDEBINFO " /LTCG /USEPROFILE:PGD=${ProfilePath}")
+            else(WIN32)
+                if(UPPERCASE_CMAKE_BUILD_TYPE STREQUAL RELEASE OR UPPERCASE_CMAKE_BUILD_TYPE STREQUAL RELWITHDEBINFO)
+                    if(HAVE_LTO)
+                        target_compile_options(${TargetName} PRIVATE -flto -fprofile-instr-use=${ProfilePath})
+                        set_property(TARGET ${TargetName} APPEND_STRING PROPERTY LINK_FLAGS " -flto -fuse-ld=gold -fprofile-instr-use=${ProfilePath}")
+                    endif(HAVE_LTO)
+                endif(UPPERCASE_CMAKE_BUILD_TYPE STREQUAL RELEASE OR UPPERCASE_CMAKE_BUILD_TYPE STREQUAL RELWITHDEBINFO)
             endif(WIN32)
-        else(CLR_CMAKE_PGO_INSTRUMENT)
-            # If we don't have profile data availble, gracefully fall back to a non-PGO opt build
-            if(EXISTS ${ProfilePath})
-                if(WIN32)
-                    set_property(TARGET ${TargetName} APPEND_STRING PROPERTY ${LinkFlagsProperty} "/LTCG /USEPROFILE:PGD=${ProfilePath}")
-                endif(WIN32)
-            endif(EXISTS ${ProfilePath})
-        endif(CLR_CMAKE_PGO_INSTRUMENT)
-    endforeach(ConfigType)
+        endif(EXISTS ${ProfilePath})
+    endif(CLR_CMAKE_PGO_INSTRUMENT)
 endfunction(add_pgo)
 
 if(WIN32)