Apply Chris' suggestions.
llvm-svn: 43069
diff --git a/llvm/lib/CodeGen/RegAllocLinearScan.cpp b/llvm/lib/CodeGen/RegAllocLinearScan.cpp
index e74f333..8a9eb3d 100644
--- a/llvm/lib/CodeGen/RegAllocLinearScan.cpp
+++ b/llvm/lib/CodeGen/RegAllocLinearScan.cpp
@@ -290,6 +290,7 @@
// Add live-ins to every BB except for entry.
MachineFunction::iterator EntryMBB = mf_->begin();
+ SmallVector<MachineBasicBlock*, 8> LiveInMBBs;
for (LiveIntervals::iterator i = li_->begin(), e = li_->end(); i != e; ++i) {
const LiveInterval &cur = i->second;
unsigned Reg = 0;
@@ -302,11 +303,11 @@
for (LiveInterval::Ranges::const_iterator I = cur.begin(), E = cur.end();
I != E; ++I) {
const LiveRange &LR = *I;
- SmallVector<MachineBasicBlock*, 4> LiveInMBBs;
if (li_->findLiveInMBBs(LR, LiveInMBBs)) {
for (unsigned i = 0, e = LiveInMBBs.size(); i != e; ++i)
if (LiveInMBBs[i] != EntryMBB)
LiveInMBBs[i]->addLiveIn(Reg);
+ LiveInMBBs.clear();
}
}
}