Make some fixes for LiveInterval repair with debug info. Debug value

MachineInstrs don't have a slot index.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175961 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 1 deletions

diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index a716e8bbab..22b35d5271 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -1056,6 +1056,8 @@ LiveIntervals::repairIntervalsInRange(MachineBasicBlock *MBB,
   for (MachineBasicBlock::iterator I = End; I != Begin;) {
     --I;
     MachineInstr *MI = I;
+    if (MI->isDebugValue())
+      continue;
     for (MachineInstr::const_mop_iterator MOI = MI->operands_begin(),
          MOE = MI->operands_end(); MOI != MOE; ++MOI) {
       if (MOI->isReg() &&
@@ -1087,8 +1089,10 @@ LiveIntervals::repairIntervalsInRange(MachineBasicBlock *MBB,
     for (MachineBasicBlock::iterator I = End; I != Begin;) {
       --I;
       MachineInstr *MI = I;
-      SlotIndex instrIdx = getInstructionIndex(MI);
+      if (MI->isDebugValue())
+        continue;
 
+      SlotIndex instrIdx = getInstructionIndex(MI);
       bool isStartValid = getInstructionFromIndex(LII->start);
       bool isEndValid = getInstructionFromIndex(LII->end);