Ifdef out some code that I didn't mean to enable by default yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61024 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/GVN.cpp b/lib/Transforms/Scalar/GVN.cpp
index d3e15d4..3662424 100644
--- a/lib/Transforms/Scalar/GVN.cpp
+++ b/lib/Transforms/Scalar/GVN.cpp
@@ -1611,11 +1611,18 @@
// Top-down walk of the dominator tree
bool changed = false;
+#if 0
+ // Needed for value numbering with phi construction to work.
ReversePostOrderTraversal<Function*> RPOT(&F);
for (ReversePostOrderTraversal<Function*>::rpo_iterator RI = RPOT.begin(),
RE = RPOT.end(); RI != RE; ++RI)
changed |= processBlock(*RI);
-
+#else
+ for (df_iterator<DomTreeNode*> DI = df_begin(DT->getRootNode()),
+ DE = df_end(DT->getRootNode()); DI != DE; ++DI)
+ changed |= processBlock(DI->getBlock());
+#endif
+
return changed;
}