[llvm-commits] [llvm] r152089 - /llvm/trunk/lib/CodeGen/MachineInstrBundle.cpp

[Evan Cheng]

Author: evancheng
Date: Mon Mar  5 20:00:52 2012
New Revision: 152089

URL: http://llvm.org/viewvc/llvm-project?rev=152089&view=rev
Log:
Avoid finalizeBundles infinite looping.

Modified:
    llvm/trunk/lib/CodeGen/MachineInstrBundle.cpp

Modified: llvm/trunk/lib/CodeGen/MachineInstrBundle.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MachineInstrBundle.cpp?rev=152089&r1=152088&r2=152089&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/MachineInstrBundle.cpp (original)
+++ llvm/trunk/lib/CodeGen/MachineInstrBundle.cpp Mon Mar  5 20:00:52 2012
@@ -229,6 +229,8 @@
            "First instr cannot be inside bundle before finalization!");
 
     MachineBasicBlock::instr_iterator MIE = MBB.instr_end();
+    if (MII == MIE)
+      continue;
     for (++MII; MII != MIE; ) {
       if (!MII->isInsideBundle())
         ++MII;