commit ddc26d89362330995f59ad29eb8bb439a817050b
author Jakob Stoklund Olesen <stoklund@2pi.dk> Thu Sep 27 16:34:19 2012 +0000
committer Jakob Stoklund Olesen <stoklund@2pi.dk> Thu Sep 27 16:34:19 2012 +0000
tree ed47f43030702a88de56fafdd8096f1b5e510926
parent 7149ef0176240ee5a09b0f6ad6300d1a966a31d1

Avoid dereferencing a NULL pointer.

Fixes PR13943.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164778 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/LiveRangeEdit.cpp

diff --git a/lib/CodeGen/LiveRangeEdit.cpp b/lib/CodeGen/LiveRangeEdit.cpp
index b4ce9aa..8271041 100644
--- a/lib/CodeGen/LiveRangeEdit.cpp
+++ b/lib/CodeGen/LiveRangeEdit.cpp
@@ -87,7 +87,7 @@
 
     // We can't remat physreg uses, unless it is a constant.
     if (TargetRegisterInfo::isPhysicalRegister(MO.getReg())) {
-      if (MRI.isConstantPhysReg(MO.getReg(), VRM->getMachineFunction()))
+      if (MRI.isConstantPhysReg(MO.getReg(), *OrigMI->getParent()->getParent()))
         continue;
       return false;
     }