From a478a0913121cb23402a0b7c1caa2f01780783a7 Mon Sep 17 00:00:00 2001
From: Amir Ayupov <aaupov@fb.com>
Date: Mon, 5 Jun 2023 13:02:59 -0700
Subject: [PATCH] [BOLT][NFC] Drop MMap events for deleted files

Don't parse/handle mmap events with "(deleted)" filename.

Reviewed By: #bolt, rafauler

Differential Revision: https://reviews.llvm.org/D151948
---
 bolt/lib/Profile/DataAggregator.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/bolt/lib/Profile/DataAggregator.cpp b/bolt/lib/Profile/DataAggregator.cpp
index 67bd213..a61ca1b 100644
--- a/bolt/lib/Profile/DataAggregator.cpp
+++ b/bolt/lib/Profile/DataAggregator.cpp
@@ -1978,6 +1978,8 @@ std::error_code DataAggregator::parseMMapEvents() {
     std::pair<StringRef, MMapInfo> FileMMapInfo = FileMMapInfoRes.get();
     if (FileMMapInfo.second.PID == -1)
       continue;
+    if (FileMMapInfo.first.equals("(deleted)"))
+      continue;
 
     // Consider only the first mapping of the file for any given PID
     auto Range = GlobalMMapInfo.equal_range(FileMMapInfo.first);
-- 
2.7.4