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Add the IncludeSelf parameter to the MCSubRegIterator and MCSuperRegIterator

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constructors.  No functional change.
Part of rdar://12906217


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182490 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chad Rosier 2013-05-22 17:26:26 +00:00
parent 284ffa3863
commit 0e1fae4cf2
1 changed files with 13 additions and 5 deletions
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18
include/llvm/MC/MCRegisterInfo.h
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@ -421,20 +421,28 @@ public:
// aliasing registers. Use these iterator classes to traverse the lists.
/// MCSubRegIterator enumerates all sub-registers of Reg.
/// If IncludeSelf is set, Reg itself is included in the list.
class MCSubRegIterator : public MCRegisterInfo::DiffListIterator {
public:
MCSubRegIterator(unsigned Reg, const MCRegisterInfo *MCRI) {
MCSubRegIterator(unsigned Reg, const MCRegisterInfo *MCRI,
bool IncludeSelf = false) {
init(Reg, MCRI->DiffLists + MCRI->get(Reg).SubRegs);
++*this;
// Initially, the iterator points to Reg itself.
if (!IncludeSelf)
++*this;
}
};
/// MCSuperRegIterator enumerates all super-registers of Reg.
/// If IncludeSelf is set, Reg itself is included in the list.
class MCSuperRegIterator : public MCRegisterInfo::DiffListIterator {
public:
MCSuperRegIterator(unsigned Reg, const MCRegisterInfo *MCRI) {
MCSuperRegIterator(unsigned Reg, const MCRegisterInfo *MCRI,
bool IncludeSelf = false) {
init(Reg, MCRI->DiffLists + MCRI->get(Reg).SuperRegs);
++*this;
// Initially, the iterator points to Reg itself.
if (!IncludeSelf)
++*this;
}
};
@ -443,7 +451,7 @@ public:
class MCRegAliasIterator : public MCRegisterInfo::DiffListIterator {
public:
MCRegAliasIterator(unsigned Reg, const MCRegisterInfo *MCRI,
bool IncludeSelf) {
bool IncludeSelf = false) {
init(Reg, MCRI->DiffLists + MCRI->get(Reg).Overlaps);
// Initially, the iterator points to Reg itself.
if (!IncludeSelf)