diff options
Diffstat (limited to 'lib/CodeGen/SplitKit.cpp')
| -rw-r--r-- | lib/CodeGen/SplitKit.cpp | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/lib/CodeGen/SplitKit.cpp b/lib/CodeGen/SplitKit.cpp index c0860732b4..9dc5c21931 100644 --- a/lib/CodeGen/SplitKit.cpp +++ b/lib/CodeGen/SplitKit.cpp @@ -95,6 +95,14 @@ SlotIndex SplitAnalysis::computeLastSplitPoint(unsigned Num) { return LSP.first; } +MachineBasicBlock::iterator +SplitAnalysis::getLastSplitPointIter(MachineBasicBlock *MBB) { + SlotIndex LSP = getLastSplitPoint(MBB->getNumber()); + if (LSP == LIS.getMBBEndIdx(MBB)) + return MBB->end(); + return LIS.getInstructionFromIndex(LSP); +} + /// analyzeUses - Count instructions, basic blocks, and loops using CurLI. void SplitAnalysis::analyzeUses() { assert(UseSlots.empty() && "Call clear first"); @@ -497,7 +505,7 @@ SlotIndex SplitEditor::enterIntvAtEnd(MachineBasicBlock &MBB) { } DEBUG(dbgs() << ": valno " << ParentVNI->id); VNInfo *VNI = defFromParent(OpenIdx, ParentVNI, Last, MBB, - LIS.getLastSplitPoint(Edit->getParent(), &MBB)); + SA.getLastSplitPointIter(&MBB)); RegAssign.insert(VNI->def, End, OpenIdx); DEBUG(dump()); return VNI->def; @@ -780,7 +788,7 @@ void SplitEditor::hoistCopiesForSize() { SlotIndex Last = LIS.getMBBEndIdx(Dom.first).getPrevSlot(); Dom.second = defFromParent(0, ParentVNI, Last, *Dom.first, - LIS.getLastSplitPoint(Edit->getParent(), Dom.first))->def; + SA.getLastSplitPointIter(Dom.first))->def; } // Remove redundant back-copies that are now known to be dominated by another |