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-rw-r--r--llvm/lib/Transforms/IPO/ArgumentPromotion.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/IPO/ArgumentPromotion.cpp b/llvm/lib/Transforms/IPO/ArgumentPromotion.cpp
index 816fc291dc5..f9de54a173d 100644
--- a/llvm/lib/Transforms/IPO/ArgumentPromotion.cpp
+++ b/llvm/lib/Transforms/IPO/ArgumentPromotion.cpp
@@ -473,7 +473,8 @@ bool ArgPromotion::isSafeToPromoteArgument(Argument *Arg,
// Now check every path from the entry block to the load for transparency.
// To do this, we perform a depth first search on the inverse CFG from the
// loading block.
- for (BasicBlock *P : predecessors(BB)) {
+ for (pred_iterator PI = pred_begin(BB), E = pred_end(BB); PI != E; ++PI) {
+ BasicBlock *P = *PI;
for (idf_ext_iterator<BasicBlock*, SmallPtrSet<BasicBlock*, 16> >
I = idf_ext_begin(P, TranspBlocks),
E = idf_ext_end(P, TranspBlocks); I != E; ++I)
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