diff options
Diffstat (limited to 'lib/Transforms/IPO/Inliner.cpp')
| -rw-r--r-- | lib/Transforms/IPO/Inliner.cpp | 20 |
1 files changed, 6 insertions, 14 deletions
diff --git a/lib/Transforms/IPO/Inliner.cpp b/lib/Transforms/IPO/Inliner.cpp index bad8295ada..0a1bdea660 100644 --- a/lib/Transforms/IPO/Inliner.cpp +++ b/lib/Transforms/IPO/Inliner.cpp @@ -170,28 +170,20 @@ bool Inliner::doFinalization(CallGraph &CG) { CallGraphNode *CGN = I->second; Function *F = CGN ? CGN->getFunction() : 0; - // If the only remaining use of the function is a dead constant - // pointer ref, remove it. - if (F && F->hasOneUse()) - if (Function *GV = dyn_cast<Function>(F->use_back())) - if (GV->removeDeadConstantUsers()) { - if (F->hasInternalLinkage()) { - // There *MAY* be an edge from the external call node to this - // function. If so, remove it. - CallGraphNode *EN = CG.getExternalCallingNode(); - CallGraphNode::iterator I = std::find(EN->begin(), EN->end(), CGN); - if (I != EN->end()) EN->removeCallEdgeTo(CGN); - } - } + // If the only remaining users of the function are dead constants, + // remove them. + if (F) F->removeDeadConstantUsers(); if (F && (F->hasLinkOnceLinkage() || F->hasInternalLinkage()) && F->use_empty()) { + // Remove any call graph edges from the function to its callees. while (CGN->begin() != CGN->end()) CGN->removeCallEdgeTo(*(CGN->end()-1)); // If the function has external linkage (basically if it's a linkonce - // function) remove the edge from the external node to the callee node. + // function) remove the edge from the external node to the callee + // node. if (!F->hasInternalLinkage()) CG.getExternalCallingNode()->removeCallEdgeTo(CGN); |