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Residual cleanup: live-out set is gone

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llvm-svn: 176836
This commit is contained in:
Eli Bendersky 2013-03-11 23:18:25 +00:00
parent 7bb11c0e1f
commit af06ec5c87
1 changed files with 7 additions and 8 deletions
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15
include/llvm/CodeGen/MachineRegisterInfo.h
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@ -100,9 +100,9 @@ class MachineRegisterInfo {
BitVector ReservedRegs;
/// Keep track of the physical registers that are live in to the function.
/// Live in values are typically arguments in registers, live out values are
/// typically return values in registers. LiveIn values are allowed to have
/// virtual registers associated with them, stored in the second element.
/// Live in values are typically arguments in registers. LiveIn values are
/// allowed to have virtual registers associated with them, stored in the
/// second element.
std::vector<std::pair<unsigned, unsigned> > LiveIns;
MachineRegisterInfo(const MachineRegisterInfo&) LLVM_DELETED_FUNCTION;
@ -464,20 +464,19 @@ public:
}
//===--------------------------------------------------------------------===//
// LiveIn/LiveOut Management
// LiveIn Management
//===--------------------------------------------------------------------===//
/// addLiveIn/Out - Add the specified register as a live in/out. Note that it
/// addLiveIn - Add the specified register as a live-in. Note that it
/// is an error to add the same register to the same set more than once.
void addLiveIn(unsigned Reg, unsigned vreg = 0) {
LiveIns.push_back(std::make_pair(Reg, vreg));
}
// Iteration support for live in/out sets. These sets are kept in sorted
// order by their register number.
// Iteration support for the live-ins set. It's kept in sorted order
// by register number.
typedef std::vector<std::pair<unsigned,unsigned> >::const_iterator
livein_iterator;
typedef std::vector<unsigned>::const_iterator liveout_iterator;
livein_iterator livein_begin() const { return LiveIns.begin(); }
livein_iterator livein_end() const { return LiveIns.end(); }
bool livein_empty() const { return LiveIns.empty(); }