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Stop tracking spill slot uses in VirtRegMap.

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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
This commit is contained in:
Jakob Stoklund Olesen
2011-11-13 01:23:30 +00:00
parent 3cb0b0edd9
commit cb39064e7a
6 changed files with 2 additions and 82 deletions
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3
lib/CodeGen/LiveDebugVariables.cpp
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@ -889,8 +889,7 @@ UserValue::rewriteLocations(VirtRegMap &VRM, const TargetRegisterInfo &TRI) {
// index is no longer available. That means the user value is in a
// non-existent sub-register, and %noreg is exactly what we want.
Loc.substPhysReg(VRM.getPhys(VirtReg), TRI);
} else if (VRM.getStackSlot(VirtReg) != VirtRegMap::NO_STACK_SLOT &&
VRM.isSpillSlotUsed(VRM.getStackSlot(VirtReg))) {
} else if (VRM.getStackSlot(VirtReg) != VirtRegMap::NO_STACK_SLOT) {
// FIXME: Translate SubIdx to a stackslot offset.
Loc = MachineOperand::CreateFI(VRM.getStackSlot(VirtReg));
} else {