From e7b0da9f7ac385ab79806141a15976c18b9c8f2d Mon Sep 17 00:00:00 2001
From: goaaats <goatsdev@protonmail.com>
Date: Wed, 22 Jun 2022 14:29:03 +0200
Subject: [PATCH] chore: enable dynamic PGO for coreclr

---
 lib/CoreCLR/boot.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/CoreCLR/boot.cpp b/lib/CoreCLR/boot.cpp
index e620f3162..0d0db4e31 100644
--- a/lib/CoreCLR/boot.cpp
+++ b/lib/CoreCLR/boot.cpp
@@ -44,6 +44,11 @@ int InitializeClrAndGetEntryPoint(
     SetEnvironmentVariable(L"DOTNET_legacyCorruptedStateExceptionsPolicy", L"1");
     SetEnvironmentVariable(L"COMPLUS_ForceENC", L"1");
 
+    // Enable Dynamic PGO
+    SetEnvironmentVariable(L"DOTNET_TieredPGO", L"1");
+    SetEnvironmentVariable(L"DOTNET_TC_QuickJitForLoops", L"1");
+    SetEnvironmentVariable(L"DOTNET_ReadyToRun", L"1");
+
 #if NDEBUG
     // This might fix extremely bad performance in some algorithms on insider builds
     SetEnvironmentVariable(L"COMPlus_ETWEnabled", L"0");