diff options
| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2013-01-05 04:38:12 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2013-01-05 04:38:12 +0000 |
| commit | bced5cd924e47818d67e33b3ae1550ab96fc239a (patch) | |
| tree | 74302139124019b7e1c086319d018e16e7268ca6 /include/llvm/CodeGen | |
| parent | 64e407be0d91916d71c9259f62ba5c1f4b2993ca (diff) | |
Add MachineRegisterInfo::moveOperands().
This function works like memmove() for MachineOperands, except it also
updates any use-def chains containing the moved operands.
The use-def chains are updated without affecting the order of operands
in the list. That isn't possible when using the
removeRegOperandFromUseList() and addRegOperandToUseList() functions.
Callers to follow soon.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171597 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/CodeGen')
| -rw-r--r-- | include/llvm/CodeGen/MachineRegisterInfo.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/MachineRegisterInfo.h b/include/llvm/CodeGen/MachineRegisterInfo.h index 0cf584fd71..36427e90ca 100644 --- a/include/llvm/CodeGen/MachineRegisterInfo.h +++ b/include/llvm/CodeGen/MachineRegisterInfo.h @@ -156,6 +156,9 @@ public: // Strictly for use by MachineInstr.cpp. void removeRegOperandFromUseList(MachineOperand *MO); + // Strictly for use by MachineInstr.cpp. + void moveOperands(MachineOperand *Dst, MachineOperand *Src, unsigned NumOps); + /// reg_begin/reg_end - Provide iteration support to walk over all definitions /// and uses of a register within the MachineFunction that corresponds to this /// MachineRegisterInfo object. |