Fix PR215: [bcwriter] Problem compactifying ConstantPointerRefs
Have I ever mentioned how much I _hate_ constantpointerrefs?
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11212 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Bytecode/Writer/SlotCalculator.cpp b/lib/Bytecode/Writer/SlotCalculator.cpp
index d928c08..7b18a1d 100644
--- a/lib/Bytecode/Writer/SlotCalculator.cpp
+++ b/lib/Bytecode/Writer/SlotCalculator.cpp
@@ -381,6 +381,8 @@
/// getOrCreateCompactionTableSlot - This method is used to build up the initial
/// approximation of the compaction table.
unsigned SlotCalculator::getOrCreateCompactionTableSlot(const Value *V) {
+ if (const ConstantPointerRef *CPR = dyn_cast<ConstantPointerRef>(V))
+ V = CPR->getValue();
std::map<const Value*, unsigned>::iterator I =
CompactionNodeMap.lower_bound(V);
if (I != CompactionNodeMap.end() && I->first == V)