Changes in directory llvm/lib/VMCore:
Dominators.cpp updated: 1.87 -> 1.88
---
Log message:
Don't crash when encountering a BasicBlock that hasn't been registered yet.
---
Diffs of the changes: (+3 -2)
Dominators.cpp | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
Index: llvm/lib/VMCore/Dominators.cpp
diff -u llvm/lib/VMCore/Dominators.cpp:1.87 llvm/lib/VMCore/Dominators.cpp:1.88
--- llvm/lib/VMCore/Dominators.cpp:1.87 Sat Apr 7 13:23:27 2007
+++ llvm/lib/VMCore/Dominators.cpp Sat Apr 7 20:02:12 2007
@@ -935,8 +935,9 @@
for (df_iterator<BasicBlock*> I = df_begin(Roots[i]),
E = df_end(Roots[i]); I != E; ++I) {
BasicBlock *BB = *I;
- if (!getNode(BB)->hasFather())
- getNode(BB)->assignDFSNumber(dfsnum);
+ ETNode *ETN = getNode(BB);
+ if (ETN && !ETN->hasFather())
+ ETN->assignDFSNumber(dfsnum);
}
SlowQueries = 0;
DFSInfoValid = true;
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