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Do not repeat the map lookup

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llvm-svn: 16633
This commit is contained in:
Chris Lattner 2004-10-01 23:16:43 +00:00
parent c521544a32
commit 815b635639
1 changed files with 1 additions and 1 deletions
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2
lib/CodeGen/VirtRegMap.cpp
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@ -449,7 +449,7 @@ void LocalSpiller::RewriteMBB(MachineBasicBlock &MBB, const VirtRegMap &VRM) {
std::map<int, MachineInstr*>::iterator MDSI = MaybeDeadStores.find(SS);
if (MDSI != MaybeDeadStores.end()) {
if (MR & VirtRegMap::isRef) // Previous store is not dead.
MaybeDeadStores.erase(SS);
MaybeDeadStores.erase(MDSI);
else {
// If we get here, the store is dead, nuke it now.
assert(MR == VirtRegMap::isMod && "Can't be modref!");