VarInfo::UsedBlocks is no longer used. Remove.
llvm-svn: 36250
diff --git a/llvm/lib/CodeGen/LiveVariables.cpp b/llvm/lib/CodeGen/LiveVariables.cpp
index 8a8185c..0e0fece 100644
--- a/llvm/lib/CodeGen/LiveVariables.cpp
+++ b/llvm/lib/CodeGen/LiveVariables.cpp
@@ -48,9 +48,6 @@
cerr << " Alive in blocks: ";
for (unsigned i = 0, e = AliveBlocks.size(); i != e; ++i)
if (AliveBlocks[i]) cerr << i << ", ";
- cerr << " Used in blocks: ";
- for (unsigned i = 0, e = UsedBlocks.size(); i != e; ++i)
- if (UsedBlocks[i]) cerr << i << ", ";
cerr << "\n Killed by:";
if (Kills.empty())
cerr << " No instructions.\n";
@@ -73,7 +70,6 @@
}
VarInfo &VI = VirtRegInfo[RegIdx];
VI.AliveBlocks.resize(MF->getNumBlockIDs());
- VI.UsedBlocks.resize(MF->getNumBlockIDs());
return VI;
}
@@ -138,9 +134,6 @@
MachineInstr *MI) {
assert(VRInfo.DefInst && "Register use before def!");
- unsigned BBNum = MBB->getNumber();
-
- VRInfo.UsedBlocks[BBNum] = true;
VRInfo.NumUses++;
// Check to see if this basic block is already a kill block...
@@ -163,7 +156,7 @@
// If this virtual register is already marked as alive in this basic block,
// that means it is alive in at least one of the successor block, it's not
// a kill.
- if (!VRInfo.AliveBlocks[BBNum])
+ if (!VRInfo.AliveBlocks[MBB->getNumber()])
VRInfo.Kills.push_back(MI);
// Update all dominating blocks to mark them known live.