Added extra constructor for superblocks.
llvm-svn: 21642
diff --git a/llvm/lib/Target/SparcV9/ModuloScheduling/MSchedGraph.cpp b/llvm/lib/Target/SparcV9/ModuloScheduling/MSchedGraph.cpp
index cc2edf2..97f047b 100644
--- a/llvm/lib/Target/SparcV9/ModuloScheduling/MSchedGraph.cpp
+++ b/llvm/lib/Target/SparcV9/ModuloScheduling/MSchedGraph.cpp
@@ -167,6 +167,28 @@
//addBranchEdges();
}
+//Create a graph for a machine block. The ignoreInstrs map is so that
+//we ignore instructions associated to the index variable since this
+//is a special case in Modulo Scheduling. We only want to deal with
+//the body of the loop.
+MSchedGraph::MSchedGraph(std::vector<const MachineBasicBlock*> &bbs,
+ const TargetMachine &targ,
+ std::map<const MachineInstr*, unsigned> &ignoreInstrs,
+ DependenceAnalyzer &DA,
+ std::map<MachineInstr*, Instruction*> &machineTollvm)
+ : BBs(bbs), Target(targ) {
+
+ //Make sure there is at least one BB and it is not null,
+ assert(((bbs.size() >= 1) && bbs[1] != NULL) && "Basic Block is null");
+
+ //Create nodes and edges for this BB
+ buildNodesAndEdges(ignoreInstrs, DA, machineTollvm);
+
+ //Experimental!
+ //addBranchEdges();
+}
+
+
//Copies the graph and keeps a map from old to new nodes
MSchedGraph::MSchedGraph(const MSchedGraph &G,
std::map<MSchedGraphNode*, MSchedGraphNode*> &newNodes)
diff --git a/llvm/lib/Target/SparcV9/ModuloScheduling/MSchedGraph.h b/llvm/lib/Target/SparcV9/ModuloScheduling/MSchedGraph.h
index 6820ca9..c3f7b69 100644
--- a/llvm/lib/Target/SparcV9/ModuloScheduling/MSchedGraph.h
+++ b/llvm/lib/Target/SparcV9/ModuloScheduling/MSchedGraph.h
@@ -259,6 +259,12 @@
//Copy constructor with maps to link old nodes to new nodes
MSchedGraph(const MSchedGraph &G, std::map<MSchedGraphNode*, MSchedGraphNode*> &newNodes);
+ MSchedGraph(std::vector<const MachineBasicBlock*> &bbs,
+ const TargetMachine &targ,
+ std::map<const MachineInstr*, unsigned> &ignoreInstrs,
+ DependenceAnalyzer &DA,
+ std::map<MachineInstr*, Instruction*> &machineTollvm);
+
//Print graph
void print(std::ostream &os) const;