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Change the callgraph representation to store the callsite along with the

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target CG node.  This allows the inliner to properly update the callgraph
when using the pruning inliner.  The pruning inliner may not copy over all
call sites from a callee to a caller, so the edges corresponding to those
call sites should not be copied over either.

This fixes PR827 and Transforms/Inline/2006-07-12-InlinePruneCGUpdate.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29120 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2006-07-12 18:29:36 +00:00
parent 2ade22835e
commit d85340f4ec
5 changed files with 98 additions and 70 deletions
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lib/Transforms/IPO/Inliner.cpp
+2 -2
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@@ -54,7 +54,7 @@ static bool InlineCallIfPossible(CallSite CS, CallGraph &CG,
// Remove any call graph edges from the callee to its callees.
CallGraphNode *CalleeNode = CG[Callee];
while (CalleeNode->begin() != CalleeNode->end())
CalleeNode->removeCallEdgeTo(*(CalleeNode->end()-1));
CalleeNode->removeCallEdgeTo((CalleeNode->end()-1)->second);
// Removing the node for callee from the call graph and delete it.
delete CG.removeFunctionFromModule(CalleeNode);
@@ -168,7 +168,7 @@ bool Inliner::doFinalization(CallGraph &CG) {
// Remove any call graph edges from the function to its callees.
while (CGN->begin() != CGN->end())
CGN->removeCallEdgeTo(*(CGN->end()-1));
CGN->removeCallEdgeTo((CGN->end()-1)->second);
// Remove any edges from the external node to the function's call graph
// node. These edges might have been made irrelegant due to