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Remove some dead code.

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The InterferenceResult iterator turned out to be less important than we
thought it would be.  LiveIntervalUnion clients want higher level
information, like the list of interfering virtual registers.

llvm-svn: 137346
This commit is contained in:
Jakob Stoklund Olesen 2011-08-11 20:41:41 +00:00
parent 15351f4f22
commit 2fd36775a3
2 changed files with 0 additions and 39 deletions
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19
lib/CodeGen/LiveIntervalUnion.cpp
View File

@ -91,25 +91,6 @@ LiveIntervalUnion::print(raw_ostream &OS, const TargetRegisterInfo *TRI) const {
OS << '\n';
}
void LiveIntervalUnion::InterferenceResult::print(raw_ostream &OS,
const TargetRegisterInfo *TRI) const {
OS << '[' << start() << ';' << stop() << "):"
<< PrintReg(interference()->reg, TRI);
}
void LiveIntervalUnion::Query::print(raw_ostream &OS,
const TargetRegisterInfo *TRI) {
OS << "Interferences with ";
LiveUnion->print(OS, TRI);
InterferenceResult IR = firstInterference();
while (isInterference(IR)) {
OS << " ";
IR.print(OS, TRI);
OS << '\n';
nextInterference(IR);
}
}
#ifndef NDEBUG
// Verify the live intervals in this union and add them to the visited set.
void LiveIntervalUnion::verify(LiveVirtRegBitSet& VisitedVRegs) {

20
lib/CodeGen/LiveIntervalUnion.h
View File

@ -124,16 +124,6 @@ public:
// Public default ctor.
InterferenceResult(): VirtRegI(), LiveUnionI() {}
/// start - Return the start of the current overlap.
SlotIndex start() const {
return std::max(VirtRegI->start, LiveUnionI.start());
}
/// stop - Return the end of the current overlap.
SlotIndex stop() const {
return std::min(VirtRegI->end, LiveUnionI.stop());
}
/// interference - Return the register that is interfering here.
LiveInterval *interference() const { return LiveUnionI.value(); }
@ -145,15 +135,6 @@ public:
// Access the LiveUnion segment.
const SegmentIter &liveUnionPos() const { return LiveUnionI; }
bool operator==(const InterferenceResult &IR) const {
return VirtRegI == IR.VirtRegI && LiveUnionI == IR.LiveUnionI;
}
bool operator!=(const InterferenceResult &IR) const {
return !operator==(IR);
}
void print(raw_ostream &OS, const TargetRegisterInfo *TRI) const;
};
/// Query interferences between a single live virtual register and a live
@ -249,7 +230,6 @@ public:
/// Loop.
bool checkLoopInterference(MachineLoopRange*);
void print(raw_ostream &OS, const TargetRegisterInfo *TRI);
private:
Query(const Query&); // DO NOT IMPLEMENT
void operator=(const Query&); // DO NOT IMPLEMENT