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/Target/Hexagon/HexagonEarlyIfConv.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'llvm/lib/Target/Hexagon/HexagonEarlyIfConv.cpp')

diff --git a/llvm/lib/Target/Hexagon/HexagonEarlyIfConv.cpp b/llvm/lib/Target/Hexagon/HexagonEarlyIfConv.cpp
index d0285a7aa377..a431af17e6d0 100644
--- a/llvm/lib/Target/Hexagon/HexagonEarlyIfConv.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonEarlyIfConv.cpp
@@ -1017,18 +1017,20 @@ void HexagonEarlyIfConversion::mergeBlocks(MachineBasicBlock *PredB,
   PredB->removeSuccessor(SuccB);
   PredB->splice(PredB->end(), SuccB, SuccB->begin(), SuccB->end());
   PredB->transferSuccessorsAndUpdatePHIs(SuccB);
+  MachineBasicBlock *OldLayoutSuccessor = SuccB->getNextNode();
   removeBlock(SuccB);
   if (!TermOk)
-    PredB->updateTerminator();
+    PredB->updateTerminator(OldLayoutSuccessor);
 }
 
 void HexagonEarlyIfConversion::simplifyFlowGraph(const FlowPattern &FP) {
+  MachineBasicBlock *OldLayoutSuccessor = FP.SplitB->getNextNode();
   if (FP.TrueB)
     removeBlock(FP.TrueB);
   if (FP.FalseB)
     removeBlock(FP.FalseB);
 
-  FP.SplitB->updateTerminator();
+  FP.SplitB->updateTerminator(OldLayoutSuccessor);
   if (FP.SplitB->succ_size() != 1)
     return;
 
-- 
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