Oy! When reverting r68073, I added in experimental code. Sorry...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68099 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/VirtRegMap.cpp b/lib/CodeGen/VirtRegMap.cpp
index c5bfcfd..cb0f764 100644
--- a/lib/CodeGen/VirtRegMap.cpp
+++ b/lib/CodeGen/VirtRegMap.cpp
@@ -188,7 +188,7 @@
if (MF->getFrameInfo()->isFixedObjectIndex(FI))
continue;
// This stack reference was produced by instruction selection and
- // is not a spill.
+ // is not a spill
if (FI < LowSpillSlot)
continue;
assert((unsigned)FI-LowSpillSlot < SpillSlotToUsesMap.size()
@@ -201,27 +201,6 @@
EmergencySpillMap.erase(MI);
}
-bool VirtRegMap::OnlyUseOfStackSlot(const MachineInstr *MI) const {
- for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
- const MachineOperand &MO = MI->getOperand(i);
- if (!MO.isFI())
- continue;
- int FI = MO.getIndex();
- if (MF->getFrameInfo()->isFixedObjectIndex(FI))
- continue;
- // This stack reference was produced by instruction selection and
- // is not a spill.
- if (FI < LowSpillSlot)
- continue;
- assert((unsigned)FI-LowSpillSlot < SpillSlotToUsesMap.size()
- && "Invalid spill slot");
- if (SpillSlotToUsesMap[FI - LowSpillSlot].size() != 1)
- return false;
- }
-
- return true;
-}
-
void VirtRegMap::print(std::ostream &OS, const Module* M) const {
const TargetRegisterInfo* TRI = MF->getTarget().getRegisterInfo();