diff options
| -rw-r--r-- | lib/Transforms/Scalar/GVN.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/GVN.cpp b/lib/Transforms/Scalar/GVN.cpp index d3e15d457a..3662424923 100644 --- a/lib/Transforms/Scalar/GVN.cpp +++ b/lib/Transforms/Scalar/GVN.cpp @@ -1611,11 +1611,18 @@ bool GVN::iterateOnFunction(Function &F) { // 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; } |