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-rw-r--r--lib/CodeGen/SplitKit.cpp27
1 files changed, 15 insertions, 12 deletions
diff --git a/lib/CodeGen/SplitKit.cpp b/lib/CodeGen/SplitKit.cpp
index 32c65a7d83..c10fee20e8 100644
--- a/lib/CodeGen/SplitKit.cpp
+++ b/lib/CodeGen/SplitKit.cpp
@@ -377,7 +377,7 @@ VNInfo *SplitEditor::defValue(unsigned RegIdx,
assert(ParentVNI && "Mapping NULL value");
assert(Idx.isValid() && "Invalid SlotIndex");
assert(Edit->getParent().getVNInfoAt(Idx) == ParentVNI && "Bad Parent VNI");
- LiveInterval *LI = Edit->get(RegIdx);
+ LiveInterval *LI = &LIS.getInterval(Edit->get(RegIdx));
// Create a new value.
VNInfo *VNI = LI->getNextValue(Idx, LIS.getVNInfoAllocator());
@@ -422,7 +422,8 @@ void SplitEditor::forceRecompute(unsigned RegIdx, const VNInfo *ParentVNI) {
// This was previously a single mapping. Make sure the old def is represented
// by a trivial live range.
SlotIndex Def = VNI->def;
- Edit->get(RegIdx)->addRange(LiveRange(Def, Def.getDeadSlot(), VNI));
+ LiveInterval *LI = &LIS.getInterval(Edit->get(RegIdx));
+ LI->addRange(LiveRange(Def, Def.getDeadSlot(), VNI));
// Mark as complex mapped, forced.
VFP = ValueForcePair(0, true);
}
@@ -434,7 +435,7 @@ VNInfo *SplitEditor::defFromParent(unsigned RegIdx,
MachineBasicBlock::iterator I) {
MachineInstr *CopyMI = 0;
SlotIndex Def;
- LiveInterval *LI = Edit->get(RegIdx);
+ LiveInterval *LI = &LIS.getInterval(Edit->get(RegIdx));
// We may be trying to avoid interference that ends at a deleted instruction,
// so always begin RegIdx 0 early and all others late.
@@ -631,7 +632,7 @@ void SplitEditor::overlapIntv(SlotIndex Start, SlotIndex End) {
//===----------------------------------------------------------------------===//
void SplitEditor::removeBackCopies(SmallVectorImpl<VNInfo*> &Copies) {
- LiveInterval *LI = Edit->get(0);
+ LiveInterval *LI = &LIS.getInterval(Edit->get(0));
DEBUG(dbgs() << "Removing " << Copies.size() << " back-copies.\n");
RegAssignMap::iterator AssignI;
AssignI.setMap(RegAssign);
@@ -730,7 +731,7 @@ SplitEditor::findShallowDominator(MachineBasicBlock *MBB,
void SplitEditor::hoistCopiesForSize() {
// Get the complement interval, always RegIdx 0.
- LiveInterval *LI = Edit->get(0);
+ LiveInterval *LI = &LIS.getInterval(Edit->get(0));
LiveInterval *Parent = &Edit->getParent();
// Track the nearest common dominator for all back-copies for each ParentVNI,
@@ -861,7 +862,7 @@ bool SplitEditor::transferValues() {
// The interval [Start;End) is continuously mapped to RegIdx, ParentVNI.
DEBUG(dbgs() << " [" << Start << ';' << End << ")=" << RegIdx);
- LiveInterval *LI = Edit->get(RegIdx);
+ LiveInterval *LI = &LIS.getInterval(Edit->get(RegIdx));
// Check for a simply defined value that can be blitted directly.
ValueForcePair VFP = Values.lookup(std::make_pair(RegIdx, ParentVNI->id));
@@ -949,7 +950,7 @@ void SplitEditor::extendPHIKillRanges() {
if (PHIVNI->isUnused() || !PHIVNI->isPHIDef())
continue;
unsigned RegIdx = RegAssign.lookup(PHIVNI->def);
- LiveInterval *LI = Edit->get(RegIdx);
+ LiveInterval *LI = &LIS.getInterval(Edit->get(RegIdx));
LiveRangeCalc &LRC = getLRCalc(RegIdx);
MachineBasicBlock *MBB = LIS.getMBBFromIndex(PHIVNI->def);
for (MachineBasicBlock::pred_iterator PI = MBB->pred_begin(),
@@ -990,7 +991,7 @@ void SplitEditor::rewriteAssigned(bool ExtendRanges) {
// Rewrite to the mapped register at Idx.
unsigned RegIdx = RegAssign.lookup(Idx);
- LiveInterval *LI = Edit->get(RegIdx);
+ LiveInterval *LI = &LIS.getInterval(Edit->get(RegIdx));
MO.setReg(LI->reg);
DEBUG(dbgs() << " rewr BB#" << MI->getParent()->getNumber() << '\t'
<< Idx << ':' << RegIdx << '\t' << *MI);
@@ -1018,7 +1019,7 @@ void SplitEditor::rewriteAssigned(bool ExtendRanges) {
void SplitEditor::deleteRematVictims() {
SmallVector<MachineInstr*, 8> Dead;
for (LiveRangeEdit::iterator I = Edit->begin(), E = Edit->end(); I != E; ++I){
- LiveInterval *LI = *I;
+ LiveInterval *LI = &LIS.getInterval(*I);
for (LiveInterval::const_iterator LII = LI->begin(), LIE = LI->end();
LII != LIE; ++LII) {
// Dead defs end at the dead slot.
@@ -1091,8 +1092,10 @@ void SplitEditor::finish(SmallVectorImpl<unsigned> *LRMap) {
deleteRematVictims();
// Get rid of unused values and set phi-kill flags.
- for (LiveRangeEdit::iterator I = Edit->begin(), E = Edit->end(); I != E; ++I)
- (*I)->RenumberValues();
+ for (LiveRangeEdit::iterator I = Edit->begin(), E = Edit->end(); I != E; ++I) {
+ LiveInterval &LI = LIS.getInterval(*I);
+ LI.RenumberValues();
+ }
// Provide a reverse mapping from original indices to Edit ranges.
if (LRMap) {
@@ -1105,7 +1108,7 @@ void SplitEditor::finish(SmallVectorImpl<unsigned> *LRMap) {
ConnectedVNInfoEqClasses ConEQ(LIS);
for (unsigned i = 0, e = Edit->size(); i != e; ++i) {
// Don't use iterators, they are invalidated by create() below.
- LiveInterval *li = Edit->get(i);
+ LiveInterval *li = &LIS.getInterval(Edit->get(i));
unsigned NumComp = ConEQ.Classify(li);
if (NumComp <= 1)
continue;