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Clean up some code from the last checkin

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llvm-svn: 23229
This commit is contained in:
Chris Lattner 2005-09-02 20:32:45 +00:00
parent 4c2b614aa6
commit da97aa059c
1 changed files with 12 additions and 24 deletions
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36
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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@ -1996,12 +1996,8 @@ SDOperand SelectionDAGLegalize::PromoteOp(SDOperand Op) {
SDOperand Result;
SDNode *Node = Op.Val;
if (1 || !Node->hasOneUse()) {
std::map<SDOperand, SDOperand>::iterator I = PromotedNodes.find(Op);
if (I != PromotedNodes.end()) return I->second;
} else {
assert(!PromotedNodes.count(Op) && "Repromoted this node??");
}
std::map<SDOperand, SDOperand>::iterator I = PromotedNodes.find(Op);
if (I != PromotedNodes.end()) return I->second;
// Promotion needs an optimization step to clean up after it, and is not
// careful to avoid operations the target does not support. Make sure that
@ -2845,19 +2841,13 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){
assert(MVT::isInteger(NVT) && NVT < VT &&
"Cannot expand to FP value or to larger int value!");
// If there is more than one use of this, see if we already expanded it.
// There is no use remembering values that only have a single use, as the map
// entries will never be reused.
if (1 || !Node->hasOneUse()) {
std::map<SDOperand, std::pair<SDOperand, SDOperand> >::iterator I
= ExpandedNodes.find(Op);
if (I != ExpandedNodes.end()) {
Lo = I->second.first;
Hi = I->second.second;
return;
}
} else {
assert(!ExpandedNodes.count(Op) && "Re-expanding a node!");
// See if we already expanded it.
std::map<SDOperand, std::pair<SDOperand, SDOperand> >::iterator I
= ExpandedNodes.find(Op);
if (I != ExpandedNodes.end()) {
Lo = I->second.first;
Hi = I->second.second;
return;
}
// Expanding to multiple registers needs to perform an optimization step, and
@ -3262,11 +3252,9 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){
}
// Remember in a map if the values will be reused later.
if (1 || !Node->hasOneUse()) {
bool isNew = ExpandedNodes.insert(std::make_pair(Op,
std::make_pair(Lo, Hi))).second;
assert(isNew && "Value already expanded?!?");
}
bool isNew = ExpandedNodes.insert(std::make_pair(Op,
std::make_pair(Lo, Hi))).second;
assert(isNew && "Value already expanded?!?");
}