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Fix problem in DEBUG code. I could be pointing past the end and
dereferencing it causes an assertion error. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11458 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -245,20 +245,20 @@ bool FPS::processBasicBlock(MachineFunction &MF, MachineBasicBlock &BB) {
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}
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// Print out all of the instructions expanded to if -debug
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DEBUG(if (&*I == PrevMI) {
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std::cerr<< "Just deleted pseudo instruction\n";
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} else {
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MachineBasicBlock::iterator Start = I;
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// Rewind to first instruction newly inserted.
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while (Start != BB.begin() &&
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--Start != MachineBasicBlock::iterator(PrevMI));
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++Start;
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std::cerr << "Inserted instructions:\n\t";
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Start->print(std::cerr, MF.getTarget());
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while (++Start != I); ++Start;
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}
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dumpStack();
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);
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DEBUG(
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MachineBasicBlock::iterator PrevI(PrevMI);
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if (I == PrevI) {
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std::cerr<< "Just deleted pseudo instruction\n";
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} else {
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MachineBasicBlock::iterator Start = I;
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// Rewind to first instruction newly inserted.
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while (Start != BB.begin() && prior(Start) != PrevI) --Start;
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std::cerr << "Inserted instructions:\n\t";
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Start->print(std::cerr, MF.getTarget());
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while (++Start != next(I));
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}
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dumpStack();
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);
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Changed = true;
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}
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@ -245,20 +245,20 @@ bool FPS::processBasicBlock(MachineFunction &MF, MachineBasicBlock &BB) {
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}
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// Print out all of the instructions expanded to if -debug
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DEBUG(if (&*I == PrevMI) {
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std::cerr<< "Just deleted pseudo instruction\n";
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} else {
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MachineBasicBlock::iterator Start = I;
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// Rewind to first instruction newly inserted.
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while (Start != BB.begin() &&
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--Start != MachineBasicBlock::iterator(PrevMI));
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++Start;
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std::cerr << "Inserted instructions:\n\t";
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Start->print(std::cerr, MF.getTarget());
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while (++Start != I); ++Start;
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}
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dumpStack();
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);
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DEBUG(
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MachineBasicBlock::iterator PrevI(PrevMI);
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if (I == PrevI) {
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std::cerr<< "Just deleted pseudo instruction\n";
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} else {
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MachineBasicBlock::iterator Start = I;
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// Rewind to first instruction newly inserted.
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while (Start != BB.begin() && prior(Start) != PrevI) --Start;
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std::cerr << "Inserted instructions:\n\t";
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Start->print(std::cerr, MF.getTarget());
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while (++Start != next(I));
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}
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dumpStack();
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);
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Changed = true;
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}
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