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When PruneEH turned an invoke into an ordinary

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call (thus changing the call site) it didn't
inform the callgraph about this.  But the
call site does matter - as shown by the testcase,
the callgraph become invalid after the inliner
ran (with an edge between two functions simply
missing), resulting in wrong deductions by
GlobalsModRef.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55872 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan Sands
2008-09-06 17:19:29 +00:00
parent 3b217c6f5c
commit fec2c2bf5e
4 changed files with 1463 additions and 1 deletions
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15
lib/Analysis/IPA/CallGraph.cpp
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@ -297,7 +297,7 @@ void CallGraphNode::removeCallEdgeTo(CallGraphNode *Callee) {
/// should be used sparingly.
void CallGraphNode::removeCallEdgeFor(CallSite CS) {
for (unsigned i = CalledFunctions.size(); ; --i) {
assert(i && "Cannot find callee to remove!");
assert(i && "Cannot find callsite to remove!");
if (CalledFunctions[i-1].first == CS) {
CalledFunctions.erase(CalledFunctions.begin()+i-1);
return;
@ -318,5 +318,18 @@ void CallGraphNode::removeAnyCallEdgeTo(CallGraphNode *Callee) {
}
}
/// replaceCallSite - Make the edge in the node for Old CallSite be for
/// New CallSite instead. Note that this method takes linear time, so it
/// should be used sparingly.
void CallGraphNode::replaceCallSite(CallSite Old, CallSite New) {
for (unsigned i = CalledFunctions.size(); ; --i) {
assert(i && "Cannot find callsite to replace!");
if (CalledFunctions[i-1].first == Old) {
CalledFunctions[i-1].first = New;
return;
}
}
}
// Enuse that users of CallGraph.h also link with this file
DEFINING_FILE_FOR(CallGraph)