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Revamp DSGraphs so that they can support multiple functions in the same

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DSGraph at one time


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6994 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2003-06-30 03:15:25 +00:00
parent a321b04d60
commit 5a54063303
6 changed files with 120 additions and 93 deletions
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19
lib/Analysis/DataStructure/Local.cpp
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@@ -62,25 +62,26 @@ namespace {
/// graph by performing a single pass over the function in question.
///
class GraphBuilder : InstVisitor<GraphBuilder> {
Function &F;
DSGraph &G;
std::vector<DSNode*> &Nodes;
DSNodeHandle &RetNode; // Node that gets returned...
hash_map<Value*, DSNodeHandle> &ScalarMap;
DSGraph::ScalarMapTy &ScalarMap;
std::vector<DSCallSite> &FunctionCalls;
public:
GraphBuilder(DSGraph &g, std::vector<DSNode*> &nodes, DSNodeHandle &retNode,
hash_map<Value*, DSNodeHandle> &SM,
GraphBuilder(Function &f, DSGraph &g, std::vector<DSNode*> &nodes,
DSNodeHandle &retNode, DSGraph::ScalarMapTy &SM,
std::vector<DSCallSite> &fc)
: G(g), Nodes(nodes), RetNode(retNode), ScalarMap(SM), FunctionCalls(fc) {
: F(f), G(g), Nodes(nodes), RetNode(retNode), ScalarMap(SM),
FunctionCalls(fc) {
// Create scalar nodes for all pointer arguments...
for (Function::aiterator I = G.getFunction().abegin(),
E = G.getFunction().aend(); I != E; ++I)
for (Function::aiterator I = F.abegin(), E = F.aend(); I != E; ++I)
if (isPointerType(I->getType()))
getValueDest(*I);
visit(G.getFunction()); // Single pass over the function
visit(F); // Single pass over the function
}
private:
@@ -139,10 +140,10 @@ namespace {
//===----------------------------------------------------------------------===//
// DSGraph constructor - Simply use the GraphBuilder to construct the local
// graph.
DSGraph::DSGraph(Function &F, DSGraph *GG) : Func(&F), GlobalsGraph(GG) {
DSGraph::DSGraph(Function &F, DSGraph *GG) : GlobalsGraph(GG) {
PrintAuxCalls = false;
// Use the graph builder to construct the local version of the graph
GraphBuilder B(*this, Nodes, RetNode, ScalarMap, FunctionCalls);
GraphBuilder B(F, *this, Nodes, ReturnNodes[&F], ScalarMap, FunctionCalls);
#ifndef NDEBUG
Timer::addPeakMemoryMeasurement();
#endif