diff options
| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-11-13 01:23:30 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-11-13 01:23:30 +0000 |
| commit | cb39064e7aee2273da1d00e6b800db84ddc34b6b (patch) | |
| tree | 1ca6f3f186b2e460d55c43e4a05ddb509e3b4dbf /lib/CodeGen/InlineSpiller.cpp | |
| parent | 3cb0b0edd9ec537a9415eaff97edd042a07fd16e (diff) | |
Stop tracking spill slot uses in VirtRegMap.
Nobody cared, StackSlotColoring scans the instructions to find used stack
slots.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144485 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/InlineSpiller.cpp')
| -rw-r--r-- | lib/CodeGen/InlineSpiller.cpp | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/lib/CodeGen/InlineSpiller.cpp b/lib/CodeGen/InlineSpiller.cpp index d1e3f1afbf..0066b7ac9a 100644 --- a/lib/CodeGen/InlineSpiller.cpp +++ b/lib/CodeGen/InlineSpiller.cpp @@ -726,7 +726,6 @@ bool InlineSpiller::hoistSpill(LiveInterval &SpillLI, MachineInstr *CopyMI) { MRI.getRegClass(SVI.SpillReg), &TRI); --MII; // Point to store instruction. LIS.InsertMachineInstrInMaps(MII); - VRM.addSpillSlotUse(StackSlot, MII); DEBUG(dbgs() << "\thoisted: " << SVI.SpillVNI->def << '\t' << *MII); ++NumSpills; @@ -1046,8 +1045,6 @@ bool InlineSpiller::foldMemoryOperand(MachineBasicBlock::iterator MI, if (!FoldMI) return false; LIS.ReplaceMachineInstrInMaps(MI, FoldMI); - if (!LoadMI) - VRM.addSpillSlotUse(StackSlot, FoldMI); MI->eraseFromParent(); // TII.foldMemoryOperand may have left some implicit operands on the @@ -1081,7 +1078,6 @@ void InlineSpiller::insertReload(LiveInterval &NewLI, MRI.getRegClass(NewLI.reg), &TRI); --MI; // Point to load instruction. SlotIndex LoadIdx = LIS.InsertMachineInstrInMaps(MI).getDefIndex(); - VRM.addSpillSlotUse(StackSlot, MI); DEBUG(dbgs() << "\treload: " << LoadIdx << '\t' << *MI); VNInfo *LoadVNI = NewLI.getNextValue(LoadIdx, 0, LIS.getVNInfoAllocator()); @@ -1097,7 +1093,6 @@ void InlineSpiller::insertSpill(LiveInterval &NewLI, const LiveInterval &OldLI, MRI.getRegClass(NewLI.reg), &TRI); --MI; // Point to store instruction. SlotIndex StoreIdx = LIS.InsertMachineInstrInMaps(MI).getDefIndex(); - VRM.addSpillSlotUse(StackSlot, MI); DEBUG(dbgs() << "\tspilled: " << StoreIdx << '\t' << *MI); VNInfo *StoreVNI = NewLI.getNextValue(Idx, 0, LIS.getVNInfoAllocator()); NewLI.addRange(LiveRange(Idx, StoreIdx, StoreVNI)); @@ -1254,7 +1249,6 @@ void InlineSpiller::spillAll() { MachineInstr *MI = RI.skipInstruction();) { assert(SnippetCopies.count(MI) && "Remaining use wasn't a snippet copy"); // FIXME: Do this with a LiveRangeEdit callback. - VRM.RemoveMachineInstrFromMaps(MI); LIS.RemoveMachineInstrFromMaps(MI); MI->eraseFromParent(); } |