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Inline indirect function calls that are only capable of calling one function 

llvm-svn: 2275
This commit is contained in:
Chris Lattner 2002-04-17 03:42:51 +00:00
parent 79db55028c
commit bda898420b
2 changed files with 12 additions and 9 deletions
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19
llvm/lib/Analysis/DataStructure/ComputeClosure.cpp
View File

@ -74,12 +74,16 @@ static void ResolveNodeTo(DSNode *Node, const PointerValSet &ToVals) {
// node that we can inline...
//
static bool isResolvableCallNode(CallDSNode *CN) {
// Only operate on call nodes with direct method calls
Function *F = CN->getCall()->getCalledFunction();
if (F == 0) return false;
// Only operate on call nodes with direct function calls
if (CN->getArgValues(0).size() == 1 &&
isa<GlobalDSNode>(CN->getArgValues(0)[0].Node)) {
GlobalDSNode *GDN = cast<GlobalDSNode>(CN->getArgValues(0)[0].Node);
Function *F = cast<Function>(GDN->getGlobal());
// Only work on call nodes with direct calls to methods with bodies.
return !F->isExternal();
// Only work on call nodes with direct calls to methods with bodies.
return !F->isExternal();
}
return false;
}
@ -100,9 +104,8 @@ void FunctionDSGraph::computeClosure(const DataStructure &DS) {
NI = std::find_if(CallNodes.begin(), CallNodes.end(), isResolvableCallNode);
while (NI != CallNodes.end()) {
CallDSNode *CN = *NI;
// FIXME: This should work based on the pointer val set of the first arg
// link (which is the function to call)
Function *F = CN->getCall()->getCalledFunction();
GlobalDSNode *FGDN = cast<GlobalDSNode>(CN->getArgValues(0)[0].Node);
Function *F = cast<Function>(FGDN->getGlobal());
if (NumInlines++ == 100) { // CUTE hack huh?
cerr << "Infinite (?) recursion halted\n";

2
llvm/lib/Analysis/DataStructure/NodeImpl.cpp
View File

@ -285,7 +285,7 @@ string CallDSNode::getCaption() const {
OS << "call " << CM->getName();
else
OS << "call <indirect>";
OS << "|Ret: ";
OS << ": ";
WriteTypeSymbolic(OS, getType(),
CI->getParent()->getParent()->getParent());
return OS.str();