1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/include/llvm/Analysis/VectorUtils.h b/llvm/include/llvm/Analysis/VectorUtils.h
index 7a92e62b53c5..c6eb66cc9660 100644
--- a/llvm/include/llvm/Analysis/VectorUtils.h
+++ b/llvm/include/llvm/Analysis/VectorUtils.h
@@ -406,6 +406,11 @@ bool maskIsAllZeroOrUndef(Value *Mask);
 /// lanes can be assumed active.
 bool maskIsAllOneOrUndef(Value *Mask);
 
+/// Given a mask vector of i1, Return true if any of the elements of this
+/// predicate mask are known to be true or undef.  That is, return true if at
+/// least one lane can be assumed active.
+bool maskContainsAllOneOrUndef(Value *Mask);
+
 /// Given a mask vector of the form <Y x i1>, return an APInt (of bitwidth Y)
 /// for each lane which may be active.
 APInt possiblyDemandedEltsInMask(Value *Mask);