From 09a704c5efba2c07af5b457bf3afc5eb746f22c2 Mon Sep 17 00:00:00 2001
From: Mingming Liu <mingmingl@google.com>
Date: Fri, 10 Dec 2021 05:39:55 +0000
Subject: [LTO] Ignore unreachable virtual functions in WPD in hybrid LTO.

Differential Revision: https://reviews.llvm.org/D115492
---
 llvm/lib/Bitcode/Writer/BitcodeWriter.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'llvm/lib/Bitcode/Writer/BitcodeWriter.cpp')

diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
index d91c30b..1231f9d 100644
--- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
+++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
@@ -1066,6 +1066,7 @@ static uint64_t getEncodedFFlags(FunctionSummary::FFlags Flags) {
   RawFlags |= (Flags.NoUnwind << 6);
   RawFlags |= (Flags.MayThrow << 7);
   RawFlags |= (Flags.HasUnknownCall << 8);
+  RawFlags |= (Flags.MustBeUnreachable << 9);
   return RawFlags;
 }
 
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