private void Transform4DoomedCheck(Implementation impl)
{
variable2SequenceNumber = new Dictionary<Variable, int>();
incarnationOriginMap = new Dictionary<Incarnation, Absy>();
if (impl.Blocks.Count < 1) return;
impl.PruneUnreachableBlocks();
AddBlocksBetween(impl.Blocks);
ResetPredecessors(impl.Blocks);
GraphAnalyzer ga = new GraphAnalyzer(impl.Blocks);
LoopRemover lr = new LoopRemover(ga);
lr.AbstractLoopUnrolling();
impl.Blocks = ga.ToImplementation(out m_UncheckableBlocks);
ResetPredecessors(impl.Blocks);
// Check for the "BlocksBetween" if all their successors are in m_UncheckableBlocks
List<Block> oldblocks = new List<Block>();
oldblocks.AddRange(impl.Blocks);
GenerateHelperBlocks(impl);
#region Check for the "BlocksBetween" if all their successors are in m_UncheckableBlocks
foreach (Block b in impl.Blocks)
{
if (oldblocks.Contains(b)) continue;
GotoCmd gc = b.TransferCmd as GotoCmd;
if (gc != null)
{
bool allsuccUncheckable = true;
foreach (Block _b in gc.labelTargets)
{
if (!m_UncheckableBlocks.Contains(_b))
{
allsuccUncheckable = false; break;
}
}
if (allsuccUncheckable && !m_UncheckableBlocks.Contains(b)) m_UncheckableBlocks.Add(b);
}
}
#endregion
impl.Blocks = DeepCopyBlocks(impl.Blocks, m_UncheckableBlocks);
m_BlockReachabilityMap = new Dictionary<Block, Variable>();
List<Cmd> cs = GenerateReachabilityPredicates(impl);
//foreach (Block test in getTheFFinalBlock(impl.Blocks[0]))
//{
// test.Cmds.AddRange(cs);
//}
ResetPredecessors(impl.Blocks);
//EmitImpl(impl,false);
Dictionary<Variable, Expr> var2Expr = PassifyProgram(impl, new ModelViewInfo(program, impl));
// Collect the last incarnation of each reachability variable in the passive program
foreach (KeyValuePair<Block, Variable> kvp in m_BlockReachabilityMap)
{
if (var2Expr.ContainsKey(kvp.Value))
{
m_LastReachVarIncarnation[kvp.Value] = (Expr)var2Expr[kvp.Value];
}
}
}
private void Transform4DoomedCheck(Implementation impl)
{
variable2SequenceNumber = new Dictionary <Variable, int>();
incarnationOriginMap = new Dictionary <Incarnation, Absy>();
if (impl.Blocks.Count < 1)
{
return;
}
impl.PruneUnreachableBlocks();
AddBlocksBetween(impl.Blocks);
ResetPredecessors(impl.Blocks);
GraphAnalyzer ga = new GraphAnalyzer(impl.Blocks);
LoopRemover lr = new LoopRemover(ga);
lr.AbstractLoopUnrolling();
impl.Blocks = ga.ToImplementation(out m_UncheckableBlocks);
ResetPredecessors(impl.Blocks);
// Check for the "BlocksBetween" if all their successors are in m_UncheckableBlocks
List <Block> oldblocks = new List <Block>();
oldblocks.AddRange(impl.Blocks);
GenerateHelperBlocks(impl);
#region Check for the "BlocksBetween" if all their successors are in m_UncheckableBlocks
foreach (Block b in impl.Blocks)
{
if (oldblocks.Contains(b))
{
continue;
}
GotoCmd gc = b.TransferCmd as GotoCmd;
if (gc != null)
{
bool allsuccUncheckable = true;
foreach (Block _b in gc.labelTargets)
{
if (!m_UncheckableBlocks.Contains(_b))
{
allsuccUncheckable = false; break;
}
}
if (allsuccUncheckable && !m_UncheckableBlocks.Contains(b))
{
m_UncheckableBlocks.Add(b);
}
}
}
#endregion
impl.Blocks = DeepCopyBlocks(impl.Blocks, m_UncheckableBlocks);
m_BlockReachabilityMap = new Dictionary <Block, Variable>();
List <Cmd> cs = GenerateReachabilityPredicates(impl);
//foreach (Block test in getTheFFinalBlock(impl.Blocks[0]))
//{
// test.Cmds.AddRange(cs);
//}
ResetPredecessors(impl.Blocks);
//EmitImpl(impl,false);
Dictionary <Variable, Expr> var2Expr = PassifyProgram(impl, new ModelViewInfo(program, impl));
// Collect the last incarnation of each reachability variable in the passive program
foreach (KeyValuePair <Block, Variable> kvp in m_BlockReachabilityMap)
{
if (var2Expr.ContainsKey(kvp.Value))
{
m_LastReachVarIncarnation[kvp.Value] = (Expr)var2Expr[kvp.Value];
}
}
}
// Copy Constructor
public Loop(Loop l, GraphAnalyzer ga, string prefix)
{
Dictionary <GraphNode, GraphNode> clonemap = new Dictionary <GraphNode, GraphNode>();
GraphNode clonecutpoint = null;
foreach (GraphNode gn in l.LoopNodes)
{
clonemap[gn] = ga.CloneGraphNode(gn, prefix);
if (gn == l.Cutpoint)
{
clonecutpoint = clonemap[gn];
}
}
if (clonecutpoint == null)
{
Debugger.Break();
return;
}
// Replace the pre and post nodes by the corresponding clone
foreach (GraphNode gn in l.LoopNodes)
{
List <GraphNode> newl = new List <GraphNode>();
foreach (GraphNode g in clonemap[gn].Pre)
{
if (clonemap.ContainsKey(g))
{
newl.Add(clonemap[g]);
}
else
{
newl.Add(g);
}
}
clonemap[gn].Pre = newl;
newl = new List <GraphNode>();
foreach (GraphNode g in clonemap[gn].Suc)
{
if (clonemap.ContainsKey(g))
{
newl.Add(clonemap[g]);
}
else
{
newl.Add(g);
}
}
clonemap[gn].Suc = newl;
newl = new List <GraphNode>();
foreach (GraphNode g in clonemap[gn].LoopingPred)
{
if (clonemap.ContainsKey(g))
{
newl.Add(clonemap[g]);
}
else
{
newl.Add(g);
}
}
clonemap[gn].LoopingPred = newl;
}
foreach (GraphNode gn in l.Cutpoint.LoopingPred)
{
clonecutpoint.LoopingPred.Remove(gn);
clonecutpoint.LoopingPred.Add(clonemap[gn]);
}
SucLoops.AddRange(l.SucLoops);
PreLoops.AddRange(l.PreLoops);
Cutpoint = clonecutpoint;
LoopNodes.Add(Cutpoint);
foreach (GraphNode gn in Cutpoint.LoopingPred)
{
CollectLoopBody(gn);
}
CollectLoopExitNodes();
}
public LoopRemover(GraphAnalyzer ga)
{
m_GraphAnalyzer = ga;
}
// Copy Constructor
public Loop(Loop l, GraphAnalyzer ga, string prefix)
{
Dictionary<GraphNode, GraphNode> clonemap = new Dictionary<GraphNode, GraphNode>();
GraphNode clonecutpoint = null;
foreach (GraphNode gn in l.LoopNodes)
{
clonemap[gn] = ga.CloneGraphNode(gn, prefix);
if (gn == l.Cutpoint) clonecutpoint = clonemap[gn];
}
if (clonecutpoint == null)
{
Debugger.Break();
return;
}
// Replace the pre and post nodes by the corresponding clone
foreach (GraphNode gn in l.LoopNodes)
{
List<GraphNode> newl = new List<GraphNode>();
foreach (GraphNode g in clonemap[gn].Pre)
{
if (clonemap.ContainsKey(g)) newl.Add(clonemap[g]);
else newl.Add(g);
}
clonemap[gn].Pre = newl;
newl = new List<GraphNode>();
foreach (GraphNode g in clonemap[gn].Suc)
{
if (clonemap.ContainsKey(g)) newl.Add(clonemap[g]);
else newl.Add(g);
}
clonemap[gn].Suc = newl;
newl = new List<GraphNode>();
foreach (GraphNode g in clonemap[gn].LoopingPred)
{
if (clonemap.ContainsKey(g)) newl.Add(clonemap[g]);
else newl.Add(g);
}
clonemap[gn].LoopingPred = newl;
}
foreach (GraphNode gn in l.Cutpoint.LoopingPred)
{
clonecutpoint.LoopingPred.Remove(gn);
clonecutpoint.LoopingPred.Add(clonemap[gn]);
}
SucLoops.AddRange(l.SucLoops);
PreLoops.AddRange(l.PreLoops);
Cutpoint = clonecutpoint;
LoopNodes.Add(Cutpoint);
foreach (GraphNode gn in Cutpoint.LoopingPred)
{
CollectLoopBody(gn);
}
CollectLoopExitNodes();
}
public LoopRemover(GraphAnalyzer ga)
{
m_GraphAnalyzer = ga;
}