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Machine model: rewrite a tablegen loop to avoid comparing record pointers.

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llvm-svn: 180160
This commit is contained in:
Andrew Trick 2013-04-23 23:45:11 +00:00
parent ead4a7f8ab
commit 69561e2961
1 changed files with 4 additions and 8 deletions
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12
utils/TableGen/SubtargetEmitter.cpp
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@ -797,7 +797,6 @@ void SubtargetEmitter::ExpandProcResources(RecVec &PRVec,
RecVec SubResources;
if (PRVec[i]->isSubClassOf("ProcResGroup")) {
SubResources = PRVec[i]->getValueAsListOfDefs("Resources");
std::sort(SubResources.begin(), SubResources.end(), LessRecord());
}
else {
SubResources.push_back(PRVec[i]);
@ -808,15 +807,12 @@ void SubtargetEmitter::ExpandProcResources(RecVec &PRVec,
if (*PRI == PRVec[i] || !(*PRI)->isSubClassOf("ProcResGroup"))
continue;
RecVec SuperResources = (*PRI)->getValueAsListOfDefs("Resources");
std::sort(SuperResources.begin(), SuperResources.end(), LessRecord());
RecIter SubI = SubResources.begin(), SubE = SubResources.end();
RecIter SuperI = SuperResources.begin(), SuperE = SuperResources.end();
for ( ; SubI != SubE && SuperI != SuperE; ++SuperI) {
if (*SubI < *SuperI)
for( ; SubI != SubE; ++SubI) {
if (std::find(SuperResources.begin(), SuperResources.end(), *SubI)
== SuperResources.end()) {
break;
else if (*SuperI < *SubI)
continue;
++SubI;
}
}
if (SubI == SubE) {
PRVec.push_back(*PRI);