commit 01cb34b0111a1e8792f327b56c51bc3bbaf83aca
author Jakob Stoklund Olesen <stoklund@2pi.dk> Tue Feb 08 18:50:18 2011 +0000
committer Jakob Stoklund Olesen <stoklund@2pi.dk> Tue Feb 08 18:50:18 2011 +0000
tree 415f39047ad35eb731c2f29498bb095f8f7899b5
parent f73311bb646bf970806ba7caba220e6bffff7b49

Add assertion.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125101 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/SplitKit.cpp

diff --git a/lib/CodeGen/SplitKit.cpp b/lib/CodeGen/SplitKit.cpp
index 68f782d..0c2a2cf 100644
--- a/lib/CodeGen/SplitKit.cpp
+++ b/lib/CodeGen/SplitKit.cpp
@@ -857,9 +857,10 @@
   }
   DEBUG(dbgs() << ": valno " << ParentVNI->id << '\n');
 
-  MachineBasicBlock::iterator MII = LIS.getInstructionFromIndex(Idx);
-  VNInfo *VNI = defFromParent(0, ParentVNI, Idx,
-                              *MII->getParent(), llvm::next(MII));
+  MachineInstr *MI = LIS.getInstructionFromIndex(Idx);
+  assert(MI && "No instruction at index");
+  VNInfo *VNI = defFromParent(0, ParentVNI, Idx, *MI->getParent(),
+                              llvm::next(MachineBasicBlock::iterator(MI)));
   return VNI->def;
 }