Fix major problem with PHI node traversal: rechecking PHIs should go into
the visit function. The worklist is for when their lattice value changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5927 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/SCCP.cpp b/lib/Transforms/Scalar/SCCP.cpp
index 2b47832..8b33e22 100644
--- a/lib/Transforms/Scalar/SCCP.cpp
+++ b/lib/Transforms/Scalar/SCCP.cpp
@@ -162,7 +162,7 @@
// can be rechecked.
for (BasicBlock::iterator I = BB->begin();
PHINode *PN = dyn_cast<PHINode>(I); ++I)
- InstWorkList.push_back(PN);
+ visitPHINode(*PN);
} else {
DEBUG(std::cerr << "Marking BB Executable: " << *BB);