/// FastEmitInst_extractsubreg - Emit a MachineInstr for an extract_subreg
/// from a specified index of a superregister.
- unsigned FastEmitInst_extractsubreg(const TargetRegisterClass *RC,
- unsigned Op0, uint32_t Idx);
+ unsigned FastEmitInst_extractsubreg(unsigned Op0, uint32_t Idx);
private:
unsigned getRegForValue(Value *V,
return ResultReg;
}
-unsigned FastISel::FastEmitInst_extractsubreg(const TargetRegisterClass *RC,
- unsigned Op0, uint32_t Idx) {
+unsigned FastISel::FastEmitInst_extractsubreg(unsigned Op0, uint32_t Idx) {
+ const TargetRegisterClass* RC = MRI.getRegClass(Op0);
const TargetRegisterClass* SRC = *(RC->subregclasses_begin()+Idx-1);
unsigned ResultReg = createResultReg(SRC);