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Fix a bug aflicting 265.gap

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11006 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-01-29 08:36:22 +00:00
parent 17a93e2e1b
commit ead9eb75d7
1 changed files with 18 additions and 4 deletions
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20
lib/Analysis/DataStructure/DataStructure.cpp
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@ -853,7 +853,6 @@ void ReachabilityCloner::merge(const DSNodeHandle &NH,
// requires an allocation anyway. // requires an allocation anyway.
DSNode *DN = NH.getNode(); // Make sure the Offset is up-to-date DSNode *DN = NH.getNode(); // Make sure the Offset is up-to-date
if (NH.getOffset() >= SrcNH.getOffset()) { if (NH.getOffset() >= SrcNH.getOffset()) {
if (!DN->isNodeCompletelyFolded()) { if (!DN->isNodeCompletelyFolded()) {
// Make sure the destination node is folded if the source node is folded. // Make sure the destination node is folded if the source node is folded.
if (SN->isNodeCompletelyFolded()) { if (SN->isNodeCompletelyFolded()) {
@ -913,12 +912,12 @@ void ReachabilityCloner::merge(const DSNodeHandle &NH,
} else { } else {
// We cannot handle this case without allocating a temporary node. Fall // We cannot handle this case without allocating a temporary node. Fall
// back on being simple. // back on being simple.
DSNode *NewDN = new DSNode(*SN, &Dest, true /* Null out all links */); DSNode *NewDN = new DSNode(*SN, &Dest, true /* Null out all links */);
NewDN->maskNodeTypes(BitsToKeep); NewDN->maskNodeTypes(BitsToKeep);
unsigned NHOffset = NH.getOffset(); unsigned NHOffset = NH.getOffset();
NH.mergeWith(DSNodeHandle(NewDN, SrcNH.getOffset())); NH.mergeWith(DSNodeHandle(NewDN, SrcNH.getOffset()));
assert(NH.getNode() && assert(NH.getNode() &&
(NH.getOffset() > NHOffset || (NH.getOffset() > NHOffset ||
(NH.getOffset() == 0 && NH.getNode()->isNodeCompletelyFolded())) && (NH.getOffset() == 0 && NH.getNode()->isNodeCompletelyFolded())) &&
@ -927,6 +926,22 @@ void ReachabilityCloner::merge(const DSNodeHandle &NH,
// Before we start merging outgoing links and updating the scalar map, make // Before we start merging outgoing links and updating the scalar map, make
// sure it is known that this is the representative node for the src node. // sure it is known that this is the representative node for the src node.
SCNH = DSNodeHandle(NH.getNode(), NH.getOffset()-SrcNH.getOffset()); SCNH = DSNodeHandle(NH.getNode(), NH.getOffset()-SrcNH.getOffset());
// If the source node contained any globals, make sure to create entries
// in the scalar map for them!
for (DSNode::global_iterator I = SN->global_begin(), E = SN->global_end();
I != E; ++I) {
GlobalValue *GV = *I;
const DSNodeHandle &SrcGNH = Src.getNodeForValue(GV);
DSNodeHandle &DestGNH = NodeMap[SrcGNH.getNode()];
assert(DestGNH.getNode()==NH.getNode() &&"Global mapping inconsistent");
assert(SrcGNH.getNode() == SN && "Global mapping inconsistent");
Dest.getNodeForValue(GV).mergeWith(DSNodeHandle(DestGNH.getNode(),
DestGNH.getOffset()+SrcGNH.getOffset()));
if (CloneFlags & DSGraph::UpdateInlinedGlobals)
Dest.getInlinedGlobals().insert(GV);
}
} }
@ -1060,7 +1075,6 @@ void DSNode::remapLinks(DSGraph::NodeMapTy &OldNodeMap) {
/// ///
void DSGraph::updateFromGlobalGraph() { void DSGraph::updateFromGlobalGraph() {
TIME_REGION(X, "updateFromGlobalGraph"); TIME_REGION(X, "updateFromGlobalGraph");
ReachabilityCloner RC(*this, *GlobalsGraph, 0); ReachabilityCloner RC(*this, *GlobalsGraph, 0);
// Clone the non-up-to-date global nodes into this graph. // Clone the non-up-to-date global nodes into this graph.