Fixed bug in searchPath function for finding nodes between two recurrences.

Changed dependence analyzer to only use dep distances of 2 or less.
This is experimental.

Changed MSchedGraph to be able to represent more then one BB (first steps).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21641 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/SparcV9/ModuloScheduling/DependenceAnalyzer.cpp

@@ -218,7 +218,9 @@ void DependenceAnalyzer::advancedDepAnalysis(GetElementPtrInst *gp1,
   //Find constant index difference
   int diff = A1->getValue()->getRawValue() - A2->getValue()->getRawValue();
   std::cerr << diff << "\n";
-  
+  if(diff > 5)
+    diff = 2;
+
   if(diff > 0)
     createDep(deps, valLoad, val2Load, srcBeforeDest, diff);