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LiveDebugValues: Fix typos and indentation
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@ -22,7 +22,7 @@
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/// and the VarLocBasedLDV class is an implementation that explicitly tracks
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/// locations, using the VarLoc class.
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///
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/// The cannonical "available expressions" problem doesn't have expression
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/// The canonical "available expressions" problem doesn't have expression
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/// clobbering, instead when a variable is re-assigned, any expressions using
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/// that variable get invalidated. LiveDebugValues can map onto "available
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/// expressions" by having every register represented by a variable, which is
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@ -826,7 +826,7 @@ VarLocBasedLDV::VarLocBasedLDV() { }
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VarLocBasedLDV::~VarLocBasedLDV() { }
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/// Erase a variable from the set of open ranges, and additionally erase any
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/// fragments that may overlap it. If the VarLoc is a buckup location, erase
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/// fragments that may overlap it. If the VarLoc is a backup location, erase
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/// the variable from the EntryValuesBackupVars set, indicating we should stop
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/// tracking its backup entry location. Otherwise, if the VarLoc is primary
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/// location, erase the variable from the Vars set.
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@ -1837,8 +1837,8 @@ bool VarLocBasedLDV::ExtendRanges(MachineFunction &MF, TargetPassConfig *TPC) {
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MachineBasicBlock &First_MBB = *(MF.begin());
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for (auto &MI : First_MBB) {
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collectRegDefs(MI, DefinedRegs, TRI);
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if (MI.isDebugValue())
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recordEntryValue(MI, DefinedRegs, OpenRanges, VarLocIDs);
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if (MI.isDebugValue())
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recordEntryValue(MI, DefinedRegs, OpenRanges, VarLocIDs);
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}
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// Initialize per-block structures and scan for fragment overlaps.
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