1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/LoopIdiomRecognize.cpp b/lib/Transforms/Scalar/LoopIdiomRecognize.cpp
index 8b435050ac76..4a6a35c0ab1b 100644
--- a/lib/Transforms/Scalar/LoopIdiomRecognize.cpp
+++ b/lib/Transforms/Scalar/LoopIdiomRecognize.cpp
@@ -1160,7 +1160,7 @@ static bool detectPopcountIdiom(Loop *CurLoop, BasicBlock *PreCondBB,
     if (!Dec ||
         !((SubInst->getOpcode() == Instruction::Sub && Dec->isOne()) ||
           (SubInst->getOpcode() == Instruction::Add &&
-           Dec->isAllOnesValue()))) {
+           Dec->isMinusOne()))) {
       return false;
     }
   }