diff options
Diffstat (limited to 'llvm/lib/CodeGen/MachineRegisterInfo.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineRegisterInfo.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineRegisterInfo.cpp b/llvm/lib/CodeGen/MachineRegisterInfo.cpp index 937f63f..b713525 100644 --- a/llvm/lib/CodeGen/MachineRegisterInfo.cpp +++ b/llvm/lib/CodeGen/MachineRegisterInfo.cpp @@ -432,6 +432,11 @@ bool MachineRegisterInfo::hasOneNonDBGUser(Register RegNo) const { return hasSingleElement(use_nodbg_instructions(RegNo)); } +MachineInstr *MachineRegisterInfo::getOneNonDBGUser(Register RegNo) const { + auto RegNoDbgUsers = use_nodbg_instructions(RegNo); + return hasSingleElement(RegNoDbgUsers) ? &*RegNoDbgUsers.begin() : nullptr; +} + bool MachineRegisterInfo::hasAtMostUserInstrs(Register Reg, unsigned MaxUsers) const { return hasNItemsOrLess(use_instr_nodbg_begin(Reg), use_instr_nodbg_end(), |