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Numerous bug fixes and the completed modschedSB algorithm (minor bugs still exist for course).

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22239 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tanya Lattner
2005-06-17 04:00:57 +00:00
parent 770e991bc4
commit d454a973a5
7 changed files with 3313 additions and 203 deletions
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25
lib/Target/SparcV9/ModuloScheduling/DependenceAnalyzer.cpp
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@@ -159,10 +159,10 @@ void DependenceAnalyzer::advancedDepAnalysis(GetElementPtrInst *gp1,
SCEVHandle SV2 = SE->getSCEV(Gep2Idx);
//Now handle special cases of dependence analysis
SV1->print(std::cerr);
std::cerr << "\n";
SV2->print(std::cerr);
std::cerr << "\n";
//SV1->print(std::cerr);
//std::cerr << "\n";
//SV2->print(std::cerr);
//std::cerr << "\n";
//Check if we have an SCEVAddExpr, cause we can only handle those
SCEVAddRecExpr *SVAdd1 = dyn_cast<SCEVAddRecExpr>(SV1);
@@ -217,7 +217,7 @@ void DependenceAnalyzer::advancedDepAnalysis(GetElementPtrInst *gp1,
//Find constant index difference
int diff = A1->getValue()->getRawValue() - A2->getValue()->getRawValue();
std::cerr << diff << "\n";
//std::cerr << diff << "\n";
if(diff > 5)
diff = 2;
@@ -240,14 +240,21 @@ void DependenceAnalyzer::createDep(std::vector<Dependence> &deps,
//If load/store pair
if(valLoad && !val2Load) {
//Anti Dep
deps.push_back(Dependence(diff, Dependence::AntiDep));
if(srcBeforeDest)
//Anti Dep
deps.push_back(Dependence(diff, Dependence::AntiDep));
else
deps.push_back(Dependence(diff, Dependence::TrueDep));
++NumDeps;
}
//If store/load pair
else if(!valLoad && val2Load) {
//True Dep
deps.push_back(Dependence(diff, Dependence::TrueDep));
if(srcBeforeDest)
//True Dep
deps.push_back(Dependence(diff, Dependence::TrueDep));
else
deps.push_back(Dependence(diff, Dependence::AntiDep));
++NumDeps;
}
//If store/store pair