diff options
Diffstat (limited to 'include/llvm/CodeGen')
| -rw-r--r-- | include/llvm/CodeGen/MachineRegisterInfo.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/MachineRegisterInfo.h b/include/llvm/CodeGen/MachineRegisterInfo.h index 14d601f0bd..45069a2653 100644 --- a/include/llvm/CodeGen/MachineRegisterInfo.h +++ b/include/llvm/CodeGen/MachineRegisterInfo.h @@ -120,6 +120,12 @@ public: return VRegInfo.size()+MRegisterInfo::FirstVirtualRegister-1; } + /// getVRegDef - Return the machine instr that defines the specified virtual + /// register or null if none is found. This assumes that the code is in SSA + /// form, so there should only be one definition. + MachineInstr *getVRegDef(unsigned Reg) const; + + //===--------------------------------------------------------------------===// // Physical Register Use Info //===--------------------------------------------------------------------===// |