From cfca06d7963fa0909f90483b42a6d7d194d01e08 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sun, 26 Jul 2020 19:36:28 +0000
Subject: Vendor import of llvm-project master 2e10b7a39b9, the last commit
 before the llvmorg-12-init tag, from which release/11.x was branched.

---
 llvm/lib/CodeGen/TailDuplication.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'llvm/lib/CodeGen/TailDuplication.cpp')

diff --git a/llvm/lib/CodeGen/TailDuplication.cpp b/llvm/lib/CodeGen/TailDuplication.cpp
index 648bf48b7d17..20892a79d35f 100644
--- a/llvm/lib/CodeGen/TailDuplication.cpp
+++ b/llvm/lib/CodeGen/TailDuplication.cpp
@@ -31,6 +31,7 @@ namespace {
 
 class TailDuplicateBase : public MachineFunctionPass {
   TailDuplicator Duplicator;
+  std::unique_ptr<MBFIWrapper> MBFIW;
   bool PreRegAlloc;
 public:
   TailDuplicateBase(char &PassID, bool PreRegAlloc)
@@ -88,7 +89,10 @@ bool TailDuplicateBase::runOnMachineFunction(MachineFunction &MF) {
   auto *MBFI = (PSI && PSI->hasProfileSummary()) ?
                &getAnalysis<LazyMachineBlockFrequencyInfoPass>().getBFI() :
                nullptr;
-  Duplicator.initMF(MF, PreRegAlloc, MBPI, MBFI, PSI, /*LayoutMode=*/false);
+  if (MBFI)
+    MBFIW = std::make_unique<MBFIWrapper>(*MBFI);
+  Duplicator.initMF(MF, PreRegAlloc, MBPI, MBFI ? MBFIW.get() : nullptr, PSI,
+                    /*LayoutMode=*/false);
 
   bool MadeChange = false;
   while (Duplicator.tailDuplicateBlocks())
-- 
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