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Don't emit a DBG_VALUE for a spill slot that the rewriter decided not to use after all.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123339 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2011-01-12 23:14:07 +00:00
parent 12a40314a9
commit f0704d28f3
1 changed files with 2 additions and 1 deletions
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3
lib/CodeGen/LiveDebugVariables.cpp
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@ -568,7 +568,8 @@ UserValue::rewriteLocations(VirtRegMap &VRM, const TargetRegisterInfo &TRI) {
if (VRM.isAssignedReg(VirtReg) && if (VRM.isAssignedReg(VirtReg) &&
TargetRegisterInfo::isPhysicalRegister(VRM.getPhys(VirtReg))) { TargetRegisterInfo::isPhysicalRegister(VRM.getPhys(VirtReg))) {
Loc.substPhysReg(VRM.getPhys(VirtReg), TRI); Loc.substPhysReg(VRM.getPhys(VirtReg), TRI);
} else if (VRM.getStackSlot(VirtReg) != VirtRegMap::NO_STACK_SLOT) { } else if (VRM.getStackSlot(VirtReg) != VirtRegMap::NO_STACK_SLOT &&
VRM.isSpillSlotUsed(VRM.getStackSlot(VirtReg))) {
// FIXME: Translate SubIdx to a stackslot offset. // FIXME: Translate SubIdx to a stackslot offset.
Loc = MachineOperand::CreateFI(VRM.getStackSlot(VirtReg)); Loc = MachineOperand::CreateFI(VRM.getStackSlot(VirtReg));
} else { } else {