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Removed VNInfo::isDefAccurate(). Def "accuracy" can be checked by testing whether LiveIntervals::getInstructionFromIndex(def) returns NULL.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114791 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Lang Hames
2010-09-25 12:04:16 +00:00
parent 8db2defa83
commit 6e2968c85c
11 changed files with 78 additions and 104 deletions
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12
lib/CodeGen/InlineSpiller.cpp
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@@ -233,8 +233,7 @@ bool InlineSpiller::reMaterializeFor(MachineBasicBlock::iterator MI) {
}
DEBUG(dbgs() << "\t " << UseIdx << '\t' << *MI);
VNInfo *DefVNI = NewLI.getNextValue(DefIdx, 0, true,
lis_.getVNInfoAllocator());
VNInfo *DefVNI = NewLI.getNextValue(DefIdx, 0, lis_.getVNInfoAllocator());
NewLI.addRange(LiveRange(DefIdx, UseIdx.getDefIndex(), DefVNI));
DEBUG(dbgs() << "\tinterval: " << NewLI << '\n');
return true;
@@ -249,7 +248,7 @@ void InlineSpiller::reMaterializeAll() {
for (LiveInterval::const_vni_iterator I = li_->vni_begin(),
E = li_->vni_end(); I != E; ++I) {
VNInfo *VNI = *I;
if (VNI->isUnused() || !VNI->isDefAccurate())
if (VNI->isUnused())
continue;
MachineInstr *DefMI = lis_.getInstructionFromIndex(VNI->def);
if (!DefMI || !tii_.isTriviallyReMaterializable(DefMI))
@@ -283,7 +282,7 @@ void InlineSpiller::reMaterializeAll() {
lis_.RemoveMachineInstrFromMaps(DefMI);
vrm_.RemoveMachineInstrFromMaps(DefMI);
DefMI->eraseFromParent();
VNI->setIsDefAccurate(false);
VNI->def = lis_.getZeroIndex();
anyRemoved = true;
}
@@ -366,7 +365,7 @@ void InlineSpiller::insertReload(LiveInterval &NewLI,
SlotIndex LoadIdx = lis_.InsertMachineInstrInMaps(MI).getDefIndex();
vrm_.addSpillSlotUse(stackSlot_, MI);
DEBUG(dbgs() << "\treload: " << LoadIdx << '\t' << *MI);
VNInfo *LoadVNI = NewLI.getNextValue(LoadIdx, 0, true,
VNInfo *LoadVNI = NewLI.getNextValue(LoadIdx, 0,
lis_.getVNInfoAllocator());
NewLI.addRange(LiveRange(LoadIdx, Idx, LoadVNI));
}
@@ -381,8 +380,7 @@ void InlineSpiller::insertSpill(LiveInterval &NewLI,
SlotIndex StoreIdx = lis_.InsertMachineInstrInMaps(MI).getDefIndex();
vrm_.addSpillSlotUse(stackSlot_, MI);
DEBUG(dbgs() << "\tspilled: " << StoreIdx << '\t' << *MI);
VNInfo *StoreVNI = NewLI.getNextValue(Idx, 0, true,
lis_.getVNInfoAllocator());
VNInfo *StoreVNI = NewLI.getNextValue(Idx, 0, lis_.getVNInfoAllocator());
NewLI.addRange(LiveRange(Idx, StoreIdx, StoreVNI));
}