misched: Fix LiveInterval update to better handle DebugVal.
Assertion failed: (itr != mi2iMap.end() && "Instruction not found in maps.")
rdar://12777252.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169070 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index c2610dc..404cf76 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -1292,7 +1292,11 @@
MachineBasicBlock::iterator MII(MI);
++MII;
MachineBasicBlock* MBB = MI->getParent();
- for (; MII != MBB->end() && LIS.getInstructionIndex(MII) < OldIdx; ++MII){
+ for (; MII != MBB->end(); ++MII){
+ if (MII->isDebugValue())
+ continue;
+ if (LIS.getInstructionIndex(MII) < OldIdx)
+ break;
for (MachineInstr::mop_iterator MOI = MII->operands_begin(),
MOE = MII->operands_end();
MOI != MOE; ++MOI) {