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-rw-r--r--lib/Bytecode/Writer/SlotCalculator.cpp28
1 files changed, 11 insertions, 17 deletions
diff --git a/lib/Bytecode/Writer/SlotCalculator.cpp b/lib/Bytecode/Writer/SlotCalculator.cpp
index b426cb74fb..aef71763c4 100644
--- a/lib/Bytecode/Writer/SlotCalculator.cpp
+++ b/lib/Bytecode/Writer/SlotCalculator.cpp
@@ -23,7 +23,7 @@
#include "llvm/Constant.h"
#include "llvm/DerivedTypes.h"
#include "llvm/SymbolTable.h"
-#include "Support/DepthFirstIterator.h"
+#include "Support/PostOrderIterator.h"
#include "Support/STLExtras.h"
#include <algorithm>
@@ -287,26 +287,20 @@ int SlotCalculator::insertValue(const Value *D, bool dontIgnore) {
SC_DEBUG(" Inserted type: " << TheTy->getDescription() << " slot=" <<
ResultSlot << "\n");
- // Loop over any contained types in the definition... in reverse depth
- // first order.
+ // Loop over any contained types in the definition... in post
+ // order.
//
- std::vector<const Type*> DfsOrder;
- for (df_iterator<const Type*> I = df_begin(TheTy), E = df_end(TheTy);
+ for (po_iterator<const Type*> I = po_begin(TheTy), E = po_end(TheTy);
I != E; ++I) {
if (*I != TheTy) {
- // If we haven't seen this sub type before, add it to our type table!
- DfsOrder.push_back(*I);
- }
- }
-
- for (std::vector<const Type*>::const_reverse_iterator
- I = DfsOrder.rbegin(), E = DfsOrder.rend(); I != E; ++I) {
const Type *SubTy = *I;
- if (getSlot(SubTy) == -1) {
- SC_DEBUG(" Inserting subtype: " << SubTy->getDescription() << "\n");
- int Slot = doInsertValue(SubTy);
- SC_DEBUG(" Inserted subtype: " << SubTy->getDescription() <<
- " slot=" << Slot << "\n");
+ // If we haven't seen this sub type before, add it to our type table!
+ if (getSlot(SubTy) == -1) {
+ SC_DEBUG(" Inserting subtype: " << SubTy->getDescription() << "\n");
+ int Slot = doInsertValue(SubTy);
+ SC_DEBUG(" Inserted subtype: " << SubTy->getDescription() <<
+ " slot=" << Slot << "\n");
+ }
}
}
return ResultSlot;