From aaf49b095f58ff95cfeec5add70556fb21bff3c8 Mon Sep 17 00:00:00 2001
From: Maksim Panchenko <maks@fb.com>
Date: Wed, 12 Aug 2020 18:10:41 -0700
Subject: [PATCH] [perf2bolt] Issue error when writing YAML for BOLTed input

Summary:
When the input file is processed by BOLT, we cannot save profile in YAML
format as it requires CFG representation of functions.

(cherry picked from FBD22941794)
---
 bolt/src/RewriteInstance.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/bolt/src/RewriteInstance.cpp b/bolt/src/RewriteInstance.cpp
index 9a689b623f5a..d779a3a39380 100644
--- a/bolt/src/RewriteInstance.cpp
+++ b/bolt/src/RewriteInstance.cpp
@@ -1714,6 +1714,13 @@ void RewriteInstance::adjustCommandLineOptions() {
   if (opts::Lite) {
     outs() << "BOLT-INFO: enabling lite mode\n";
   }
+
+  if (!opts::SaveProfile.empty() && BAT->enabledFor(InputFile)) {
+    errs() << "BOLT-ERROR: unable to save profile in YAML format for input "
+              "file processed by BOLT. Please remove -w option and use branch "
+              "profile.\n";
+    exit(1);
+  }
 }
 
 namespace {