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misched: Fix LiveInterval update to better handle DebugVal.

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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
This commit is contained in:
Andrew Trick
2012-12-01 01:22:41 +00:00
parent 67bdd42d1e
commit 30fe61aa35
2 changed files with 55 additions and 1 deletions
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lib/CodeGen/LiveIntervalAnalysis.cpp
+5 -1
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@@ -1292,7 +1292,11 @@ private:
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) {