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-rw-r--r--polly/lib/CodeGen/BlockGenerators.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/polly/lib/CodeGen/BlockGenerators.cpp b/polly/lib/CodeGen/BlockGenerators.cpp
index 33e66a1114d..234d15840a8 100644
--- a/polly/lib/CodeGen/BlockGenerators.cpp
+++ b/polly/lib/CodeGen/BlockGenerators.cpp
@@ -514,6 +514,7 @@ void BlockGenerator::generateScalarStores(ScopStmt &Stmt, BasicBlock *BB,
if (MA->getScopArrayInfo()->isPHI()) {
PHINode *BasePHI = dyn_cast<PHINode>(Base);
int PHIIdx = BasePHI->getBasicBlockIndex(BB);
+ assert(PHIIdx >= 0);
Address = getOrCreateAlloca(Base, PHIOpMap, ".phiops");
Val = BasePHI->getIncomingValue(PHIIdx);
} else {
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