Update kill info for uses of split intervals.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44531 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index eef117a..01727c3 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -923,7 +923,6 @@
unsigned NewVReg = 0;
unsigned index = getBaseIndex(I->start);
unsigned end = getBaseIndex(I->end-1) + InstrSlots::NUM;
- bool TrySplitMI = TrySplit && vrm.getPreSplitReg(li.reg) == 0;
for (; index != end; index += InstrSlots::NUM) {
// skip deleted instructions
while (index != end && !getInstructionFromIndex(index))
@@ -933,7 +932,7 @@
MachineInstr *MI = getInstructionFromIndex(index);
MachineBasicBlock *MBB = MI->getParent();
NewVReg = 0;
- if (TrySplitMI) {
+ if (TrySplit) {
std::map<unsigned,unsigned>::const_iterator NVI =
MBBVRegsMap.find(MBB->getNumber());
if (NVI != MBBVRegsMap.end()) {
@@ -977,7 +976,7 @@
// Update weight of spill interval.
LiveInterval &nI = getOrCreateInterval(NewVReg);
- if (!TrySplitMI) {
+ if (!TrySplit) {
// The spill weight is now infinity as it cannot be spilled again.
nI.weight = HUGE_VALF;
continue;