- uint64_t StackSize = MFI->getStackSize();
- uint64_t OffsetAdjustment = MFI->getOffsetAdjustment();
- uint64_t OffsetOfLocalArea = TM->getFrameInfo()->getOffsetOfLocalArea();
-
- for (CollectorMetadata::roots_iterator RI = MD->roots_begin(),
- RE = MD->roots_end(); RI != RE; ++RI)
- RI->StackOffset = MFI->getObjectOffset(RI->Num) + StackSize
- - OffsetOfLocalArea + OffsetAdjustment;
+ const TargetRegisterInfo *TRI = TM->getRegisterInfo();
+ assert(TRI && "TargetRegisterInfo not available!");
+
+ for (GCFunctionInfo::roots_iterator RI = FI->roots_begin(),
+ RE = FI->roots_end(); RI != RE; ++RI)
+ RI->StackOffset = TRI->getFrameIndexOffset(MF, RI->Num);