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Save argument list alloc state by recording it as the operands of Instruction
#-1. Other minor changes to deal with AllocInfo.Instruction becoming an int. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12246 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1125,7 +1125,7 @@ void PhyRegAlloc::allocateStackSpace4SpilledLRs() {
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void PhyRegAlloc::saveStateForValue (std::vector<AllocInfo> &state,
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const Value *V, unsigned Insn, int Opnd) {
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const Value *V, int Insn, int Opnd) {
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LiveRangeMapType::const_iterator HMI = LRI->getLiveRangeMap ()->find (V);
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LiveRangeMapType::const_iterator HMIEnd = LRI->getLiveRangeMap ()->end ();
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AllocInfo::AllocStateTy AllocState = AllocInfo::NotAllocated;
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@ -1155,7 +1155,15 @@ void PhyRegAlloc::saveStateForValue (std::vector<AllocInfo> &state,
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///
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void PhyRegAlloc::saveState () {
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std::vector<AllocInfo> &state = FnAllocState[Fn];
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unsigned ArgNum = 0;
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// Arguments encoded as instruction # -1
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for (Function::const_aiterator i=Fn->abegin (), e=Fn->aend (); i != e; ++i) {
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const Argument *Arg = &*i;
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saveStateForValue (state, Arg, -1, ArgNum);
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++ArgNum;
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}
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unsigned Insn = 0;
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// Instructions themselves encoded as operand # -1
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for (const_inst_iterator II=inst_begin (Fn), IE=inst_end (Fn); II!=IE; ++II){
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saveStateForValue (state, (*II), Insn, -1);
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for (unsigned i = 0; i < (*II)->getNumOperands (); ++i) {
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@ -1176,7 +1184,7 @@ void PhyRegAlloc::saveState () {
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///
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void PhyRegAlloc::verifySavedState () {
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std::vector<AllocInfo> &state = FnAllocState[Fn];
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unsigned Insn = 0;
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int Insn = 0;
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for (const_inst_iterator II=inst_begin (Fn), IE=inst_end (Fn); II!=IE; ++II) {
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const Instruction *I = *II;
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MachineCodeForInstruction &Instrs = MachineCodeForInstruction::get (I);
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