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Remove LIS::isAllocatable() and isReserved() helpers.

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All callers can simply use the corresponding MRI functions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165985 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2012-10-15 22:14:34 +00:00
parent 3a1c35afbd
commit 790047620a
5 changed files with 5 additions and 25 deletions
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18
include/llvm/CodeGen/LiveIntervalAnalysis.h
View File

@ -65,12 +65,6 @@ namespace llvm {
/// Live interval pointers for all the virtual registers.
IndexedMap<LiveInterval*, VirtReg2IndexFunctor> VirtRegIntervals;
/// AllocatableRegs - A bit vector of allocatable registers.
BitVector AllocatableRegs;
/// ReservedRegs - A bit vector of reserved registers.
BitVector ReservedRegs;
/// RegMaskSlots - Sorted list of instructions with register mask operands.
/// Always use the 'r' slot, RegMasks are normal clobbers, not early
/// clobbers.
@ -123,18 +117,6 @@ namespace llvm {
return VirtRegIntervals.inBounds(Reg) && VirtRegIntervals[Reg];
}
/// isAllocatable - is the physical register reg allocatable in the current
/// function?
bool isAllocatable(unsigned reg) const {
return AllocatableRegs.test(reg);
}
/// isReserved - is the physical register reg reserved in the current
/// function
bool isReserved(unsigned reg) const {
return ReservedRegs.test(reg);
}
// Interval creation.
LiveInterval &getOrCreateInterval(unsigned Reg) {
if (!hasInterval(Reg)) {

2
lib/CodeGen/CalcSpillWeights.cpp
View File

@ -164,7 +164,7 @@ void VirtRegAuxInfo::CalculateWeightAndHint(LiveInterval &li) {
continue;
float hweight = Hint[hint] += weight;
if (TargetRegisterInfo::isPhysicalRegister(hint)) {
if (hweight > bestPhys && LIS.isAllocatable(hint))
if (hweight > bestPhys && mri.isAllocatable(hint))
bestPhys = hweight, hintPhys = hint;
} else {
if (hweight > bestVirt)

6
lib/CodeGen/LiveIntervalAnalysis.cpp
View File

@ -110,8 +110,6 @@ bool LiveIntervals::runOnMachineFunction(MachineFunction &fn) {
DomTree = &getAnalysis<MachineDominatorTree>();
if (!LRCalc)
LRCalc = new LiveRangeCalc();
AllocatableRegs = TRI->getAllocatableSet(fn);
ReservedRegs = TRI->getReservedRegs(fn);
// Allocate space for all virtual registers.
VirtRegIntervals.resize(MRI->getNumVirtRegs());
@ -542,11 +540,11 @@ void LiveIntervals::computeRegUnitInterval(LiveInterval *LI) {
// Ignore uses of reserved registers. We only track defs of those.
for (MCRegUnitRootIterator Roots(Unit, TRI); Roots.isValid(); ++Roots) {
unsigned Root = *Roots;
if (!isReserved(Root) && !MRI->reg_empty(Root))
if (!MRI->isReserved(Root) && !MRI->reg_empty(Root))
LRCalc->extendToUses(LI, Root);
for (MCSuperRegIterator Supers(Root, TRI); Supers.isValid(); ++Supers) {
unsigned Reg = *Supers;
if (!isReserved(Reg) && !MRI->reg_empty(Reg))
if (!MRI->isReserved(Reg) && !MRI->reg_empty(Reg))
LRCalc->extendToUses(LI, Reg);
}
}

2
lib/CodeGen/LiveRangeEdit.cpp
View File

@ -249,7 +249,7 @@ void LiveRangeEdit::eliminateDeadDefs(SmallVectorImpl<MachineInstr*> &Dead,
unsigned Reg = MOI->getReg();
if (!TargetRegisterInfo::isVirtualRegister(Reg)) {
// Check if MI reads any unreserved physregs.
if (Reg && MOI->readsReg() && !LIS.isReserved(Reg))
if (Reg && MOI->readsReg() && !MRI.isReserved(Reg))
ReadsPhysRegs = true;
continue;
}

2
lib/CodeGen/RegAllocPBQP.cpp
View File

@ -355,7 +355,7 @@ std::auto_ptr<PBQPRAProblem> PBQPBuilderWithCoalescing::build(
loopInfo->getLoopDepth(mbb));
if (cp.isPhys()) {
if (!lis->isAllocatable(dst)) {
if (!mf->getRegInfo().isAllocatable(dst)) {
continue;
}