diff options
| -rw-r--r-- | lib/CodeGen/InlineSpiller.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/CodeGen/InlineSpiller.cpp b/lib/CodeGen/InlineSpiller.cpp index 00ca3d5bb6..a1bd972d38 100644 --- a/lib/CodeGen/InlineSpiller.cpp +++ b/lib/CodeGen/InlineSpiller.cpp @@ -154,6 +154,10 @@ bool InlineSpiller::reMaterializeFor(MachineBasicBlock::iterator MI) { LiveInterval &NewLI = edit_->create(mri_, lis_, vrm_); NewLI.markNotSpillable(); + // Rematting for a copy: Set allocation hint to be the destination register. + if (MI->isCopy()) + mri_.setRegAllocationHint(NewLI.reg, 0, MI->getOperand(0).getReg()); + // Finally we can rematerialize OrigMI before MI. SlotIndex DefIdx = edit_->rematerializeAt(*MI->getParent(), MI, NewLI.reg, RM, lis_, tii_, tri_); |