diff options
Diffstat (limited to 'include/llvm/CodeGen/MachineRegisterInfo.h')
| -rw-r--r-- | include/llvm/CodeGen/MachineRegisterInfo.h | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/include/llvm/CodeGen/MachineRegisterInfo.h b/include/llvm/CodeGen/MachineRegisterInfo.h index 74df8da20ed3..10797263650d 100644 --- a/include/llvm/CodeGen/MachineRegisterInfo.h +++ b/include/llvm/CodeGen/MachineRegisterInfo.h @@ -32,11 +32,6 @@ class MachineRegisterInfo { IndexedMap<std::pair<const TargetRegisterClass*, MachineOperand*>, VirtReg2IndexFunctor> VRegInfo; - /// RegClassVRegMap - This vector acts as a map from TargetRegisterClass to - /// virtual registers. For each target register class, it keeps a list of - /// virtual registers belonging to the class. - std::vector<unsigned> *RegClass2VRegMap; - /// RegAllocHints - This vector records register allocation hints for virtual /// registers. For each virtual register, it keeps a register and hint type /// pair making up the allocation hint. Hint type is target specific except @@ -216,13 +211,6 @@ public: /// unsigned getNumVirtRegs() const { return VRegInfo.size(); } - /// getRegClassVirtRegs - Return the list of virtual registers of the given - /// target register class. - const std::vector<unsigned> & - getRegClassVirtRegs(const TargetRegisterClass *RC) const { - return RegClass2VRegMap[RC->getID()]; - } - /// setRegAllocationHint - Specify a register allocation hint for the /// specified virtual register. void setRegAllocationHint(unsigned Reg, unsigned Type, unsigned PrefReg) { @@ -237,6 +225,14 @@ public: return RegAllocHints[Reg]; } + /// getSimpleHint - Return the preferred register allocation hint, or 0 if a + /// standard simple hint (Type == 0) is not set. + unsigned getSimpleHint(unsigned Reg) const { + std::pair<unsigned, unsigned> Hint = getRegAllocationHint(Reg); + return Hint.first ? 0 : Hint.second; + } + + //===--------------------------------------------------------------------===// // Physical Register Use Info //===--------------------------------------------------------------------===// |
