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-rw-r--r--include/llvm/Transforms/Utils/Local.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/llvm/Transforms/Utils/Local.h b/include/llvm/Transforms/Utils/Local.h
index 5ea1a50..7ab8721 100644
--- a/include/llvm/Transforms/Utils/Local.h
+++ b/include/llvm/Transforms/Utils/Local.h
@@ -31,6 +31,16 @@ struct DbgInfoIntrinsic;
template<typename T> class SmallVectorImpl;
//===----------------------------------------------------------------------===//
+// Local analysis.
+//
+
+/// isSafeToLoadUnconditionally - Return true if we know that executing a load
+/// from this value cannot trap. If it is not obviously safe to load from the
+/// specified pointer, we do a quick local scan of the basic block containing
+/// ScanFrom, to determine if the address is already accessed.
+bool isSafeToLoadUnconditionally(Value *V, Instruction *ScanFrom);
+
+//===----------------------------------------------------------------------===//
// Local constant propagation.
//
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