diff --git a/llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp b/llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp
--- a/llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp
@@ -537,7 +537,7 @@
     if (!isa<Constant>(OOp) ||
         (OOpIsAPInt && isSelect01(C->getUniqueInteger(), *OOpC))) {
       Value *NewSel = Builder.CreateSelect(SI.getCondition(), Swapped ? C : OOp,
-                                           Swapped ? OOp : C);
+                                           Swapped ? OOp : C, "", &SI);
       if (isa<FPMathOperator>(&SI))
         cast<Instruction>(NewSel)->setFastMathFlags(FMF);
       NewSel->takeName(TVI);
diff --git a/llvm/test/Transforms/InstCombine/unpredictable-select.ll b/llvm/test/Transforms/InstCombine/unpredictable-select.ll
--- a/llvm/test/Transforms/InstCombine/unpredictable-select.ll
+++ b/llvm/test/Transforms/InstCombine/unpredictable-select.ll
@@ -3,7 +3,7 @@
 
 define i64 @add_select(i1 %cond, i64 %x, i64 %y) {
 ; CHECK-LABEL: @add_select(
-; CHECK-NEXT:    [[ADD:%.*]] = select i1 [[COND:%.*]], i64 [[Y:%.*]], i64 0
+; CHECK-NEXT:    [[ADD:%.*]] = select i1 [[COND:%.*]], i64 [[Y:%.*]], i64 0, !unpredictable [[META0:![0-9]+]]
 ; CHECK-NEXT:    [[RET:%.*]] = add i64 [[ADD]], [[X:%.*]]
 ; CHECK-NEXT:    ret i64 [[RET]]
 ;