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authorJakob Stoklund Olesen <stoklund@2pi.dk>2011-11-13 01:23:30 +0000
committerJakob Stoklund Olesen <stoklund@2pi.dk>2011-11-13 01:23:30 +0000
commit28df7ef8c9de075656d3d2865827cbeac904eaa9 (patch)
treeb6d53b9219c44d40b416fbbd3c18f2c3b8d062ca /llvm/lib/CodeGen/InlineSpiller.cpp
parent92255f27f1c1884585cbcb3fcbd72bd4b0b533f7 (diff)
downloadbcm5719-llvm-28df7ef8c9de075656d3d2865827cbeac904eaa9.tar.gz
bcm5719-llvm-28df7ef8c9de075656d3d2865827cbeac904eaa9.zip
Stop tracking spill slot uses in VirtRegMap.
Nobody cared, StackSlotColoring scans the instructions to find used stack slots. llvm-svn: 144485
Diffstat (limited to 'llvm/lib/CodeGen/InlineSpiller.cpp')
-rw-r--r--llvm/lib/CodeGen/InlineSpiller.cpp6
1 files changed, 0 insertions, 6 deletions
diff --git a/llvm/lib/CodeGen/InlineSpiller.cpp b/llvm/lib/CodeGen/InlineSpiller.cpp
index d1e3f1afbfa..0066b7ac9a0 100644
--- a/llvm/lib/CodeGen/InlineSpiller.cpp
+++ b/llvm/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();
}
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