[llvm] 22fd38d - [NFC][IntrRefLDV] Remove dead code from transferSpillOrRestoreInst()

[Djordje Todorovic via llvm-commits]

Author: Djordje Todorovic
Date: 2020-11-13T07:53:54-08:00
New Revision: 22fd38d5080ed41bf352efcd852666436c678b90

URL: https://github.com/llvm/llvm-project/commit/22fd38d5080ed41bf352efcd852666436c678b90
DIFF: https://github.com/llvm/llvm-project/commit/22fd38d5080ed41bf352efcd852666436c678b90.diff

LOG: [NFC][IntrRefLDV] Remove dead code from transferSpillOrRestoreInst()

Differential Revision: https://reviews.llvm.org/D90852

Added: 
    

Modified: 
    llvm/lib/CodeGen/LiveDebugValues/InstrRefBasedImpl.cpp

Removed: 
    


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diff  --git a/llvm/lib/CodeGen/LiveDebugValues/InstrRefBasedImpl.cpp b/llvm/lib/CodeGen/LiveDebugValues/InstrRefBasedImpl.cpp
index df5670e9901e..69179d0882f5 100644
--- a/llvm/lib/CodeGen/LiveDebugValues/InstrRefBasedImpl.cpp
+++ b/llvm/lib/CodeGen/LiveDebugValues/InstrRefBasedImpl.cpp
@@ -1968,13 +1968,6 @@ bool InstrRefBasedLDV::transferSpillOrRestoreInst(MachineInstr &MI) {
     if (TTracker)
       TTracker->transferMlocs(MTracker->getRegMLoc(Reg), SpillLocIdx,
                               MI.getIterator());
-
-    // VarLocBasedImpl would, at this point, stop tracking the source
-    // register of the store.
-    if (EmulateOldLDV) {
-      for (MCRegAliasIterator RAI(Reg, TRI, true); RAI.isValid(); ++RAI)
-        MTracker->defReg(*RAI, CurBB, CurInst);
-    }
   } else {
     if (!(Loc = isRestoreInstruction(MI, MF, Reg)))
       return false;