diff options
| -rw-r--r-- | lib/CodeGen/RegAllocSimple.cpp | 30 |
1 files changed, 2 insertions, 28 deletions
diff --git a/lib/CodeGen/RegAllocSimple.cpp b/lib/CodeGen/RegAllocSimple.cpp index b299ddd1bf..9ed6ad9895 100644 --- a/lib/CodeGen/RegAllocSimple.cpp +++ b/lib/CodeGen/RegAllocSimple.cpp @@ -1,4 +1,4 @@ -//===-- RegAllocSimple.cpp - A simple generic register allocator --- ------===// +//===-- RegAllocSimple.cpp - A simple generic register allocator ----------===// // // This file implements a simple register allocator. *Very* simple. // @@ -12,32 +12,6 @@ #include <iostream> #include <set> -#if 0 -/// PhysRegClassMap - Construct a mapping of physical register numbers to their -/// register classes. -/// -/// NOTE: This class will eventually be pulled out to somewhere shared. -/// -class PhysRegClassMap { - std::map<unsigned, const TargetRegisterClass*> PhysReg2RegClassMap; -public: - PhysRegClassMap(const MRegisterInfo *RI) { - for (MRegisterInfo::const_iterator I = RI->regclass_begin(), - E = RI->regclass_end(); I != E; ++I) - for (unsigned i=0; i < (*I)->getNumRegs(); ++i) - PhysReg2RegClassMap[(*I)->getRegister(i)] = *I; - } - - const TargetRegisterClass *operator[](unsigned Reg) { - assert(PhysReg2RegClassMap[Reg] && "Register is not a known physreg!"); - return PhysReg2RegClassMap[Reg]; - } - - const TargetRegisterClass *get(unsigned Reg) { return operator[](Reg); } -}; -#endif - - namespace { Statistic<> NumSpilled ("ra-simple", "Number of registers spilled"); Statistic<> NumReloaded("ra-simple", "Number of registers reloaded"); @@ -367,6 +341,6 @@ bool RegAllocSimple::runOnMachineFunction(MachineFunction &Fn) { return true; } -Pass *createSimpleX86RegisterAllocator(TargetMachine &TM) { +Pass *createSimpleRegisterAllocator(TargetMachine &TM) { return new RegAllocSimple(TM); } |