From 8d2eebd644e384d7d6ed8fffc817d1334ff36bb4 Mon Sep 17 00:00:00 2001
From: Ryan Houdek <Sonicadvance1@gmail.com>
Date: Mon, 11 Jan 2021 08:47:45 -0800
Subject: [PATCH] Fixes a memory leak in IRValidation

---
 .../Source/Interface/IR/Passes/IRValidation.cpp    | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/External/FEXCore/Source/Interface/IR/Passes/IRValidation.cpp b/External/FEXCore/Source/Interface/IR/Passes/IRValidation.cpp
index 64c4cf8c6..13fb0b608 100644
--- a/External/FEXCore/Source/Interface/IR/Passes/IRValidation.cpp
+++ b/External/FEXCore/Source/Interface/IR/Passes/IRValidation.cpp
@@ -19,9 +19,18 @@ namespace FEXCore::IR::Validation {
 
 class IRValidation final : public FEXCore::IR::Pass {
 public:
+  ~IRValidation();
   bool Run(IREmitter *IREmit) override;
+
+private:
+  BitSet<uint64_t> NodeIsLive;
+  size_t MaxNodes{};
 };
 
+IRValidation::~IRValidation() {
+  NodeIsLive.Free();
+}
+
 bool IRValidation::Run(IREmitter *IREmit) {
   bool HadError = false;
   bool HadWarning = false;
@@ -32,8 +41,9 @@ bool IRValidation::Run(IREmitter *IREmit) {
   std::ostringstream Errors;
   std::ostringstream Warnings;
 
-  BitSet<uint64_t> NodeIsLive;
-  NodeIsLive.Allocate(CurrentIR.GetSSACount());
+  if (CurrentIR.GetSSACount() > MaxNodes) {
+    NodeIsLive.Realloc(CurrentIR.GetSSACount());
+  }
 
   std::vector<uint32_t> Uses(CurrentIR.GetSSACount(), 0);