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authorEvan Cheng <evan.cheng@apple.com>2009-05-26 06:25:46 +0000
committerEvan Cheng <evan.cheng@apple.com>2009-05-26 06:25:46 +0000
commitb99b9cb3c54e21676021c02c7cf1ddb14b5b3c47 (patch)
tree01bacb209d16815e1cd72c97acf11380ef7508d9 /lib/CodeGen/LiveVariables.cpp
parentb2bc0522ff2b94d2ce8db786ac14380b6f47f509 (diff)
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Eliminate VarInfo::UsedBlocks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72411 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/LiveVariables.cpp')
-rw-r--r--lib/CodeGen/LiveVariables.cpp5
1 files changed, 0 insertions, 5 deletions
diff --git a/lib/CodeGen/LiveVariables.cpp b/lib/CodeGen/LiveVariables.cpp
index a7bdbd9..9453aa4 100644
--- a/lib/CodeGen/LiveVariables.cpp
+++ b/lib/CodeGen/LiveVariables.cpp
@@ -54,9 +54,6 @@ void LiveVariables::VarInfo::dump() const {
cerr << " Alive in blocks: ";
for (int i = AliveBlocks.find_first(); i != -1; i = AliveBlocks.find_next(i))
cerr << i << ", ";
- cerr << " Used in blocks: ";
- for (int i = UsedBlocks.find_first(); i != -1; i = UsedBlocks.find_next(i))
- cerr << i << ", ";
cerr << "\n Killed by:";
if (Kills.empty())
cerr << " No instructions.\n";
@@ -80,7 +77,6 @@ LiveVariables::VarInfo &LiveVariables::getVarInfo(unsigned RegIdx) {
}
VarInfo &VI = VirtRegInfo[RegIdx];
VI.AliveBlocks.resize(MF->getNumBlockIDs());
- VI.UsedBlocks.resize(MF->getNumBlockIDs());
return VI;
}
@@ -131,7 +127,6 @@ void LiveVariables::HandleVirtRegUse(unsigned reg, MachineBasicBlock *MBB,
unsigned BBNum = MBB->getNumber();
VarInfo& VRInfo = getVarInfo(reg);
- VRInfo.UsedBlocks[BBNum] = true;
VRInfo.NumUses++;
// Check to see if this basic block is already a kill block.