From f213f81d9ca40d3a7a154a6914a659806a67293c Mon Sep 17 00:00:00 2001
From: Jonas Paulsson <paulsson@linux.vnet.ibm.com>
Date: Thu, 25 Oct 2018 23:39:07 +0000
Subject: Fix in MachineOperand::printIRValueReference().

Handle the case where getCurrentFunction() returns nullptr by passing -1 to
printIRSlotNumber(). This will result in <badref> being printed instead of an
assertion failure.

Review: Francis Visoiu Mistrih
https://reviews.llvm.org/D53333

llvm-svn: 345342
---
 llvm/lib/CodeGen/MachineOperand.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

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

diff --git a/llvm/lib/CodeGen/MachineOperand.cpp b/llvm/lib/CodeGen/MachineOperand.cpp
index a116d8f..97d32a5 100644
--- a/llvm/lib/CodeGen/MachineOperand.cpp
+++ b/llvm/lib/CodeGen/MachineOperand.cpp
@@ -461,7 +461,8 @@ static void printIRValueReference(raw_ostream &OS, const Value &V,
     printLLVMNameWithoutPrefix(OS, V.getName());
     return;
   }
-  MachineOperand::printIRSlotNumber(OS, MST.getLocalSlot(&V));
+  int Slot = MST.getCurrentFunction() ? MST.getLocalSlot(&V) : -1;
+  MachineOperand::printIRSlotNumber(OS, Slot);
 }
 
 static void printSyncScope(raw_ostream &OS, const LLVMContext &Context,
-- 
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