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
@@ -3174,6 +3174,14 @@
     }
   }
 
+  // select (~b & a), a, b -> or a, b
+  // only for scalar types
+  if (match(CondVal, m_And(m_Not(m_Specific(FalseVal)), m_Specific(TrueVal))) &&
+      TrueVal->getType()->isIntegerTy(1) &&
+      FalseVal->getType()->isIntegerTy(1)) {
+    return BinaryOperator::CreateOr(TrueVal, FalseVal);
+  }
+
   return nullptr;
 }
 
diff --git a/llvm/test/Transforms/InstCombine/fold-xor-and-select-i1.ll b/llvm/test/Transforms/InstCombine/fold-xor-and-select-i1.ll
--- a/llvm/test/Transforms/InstCombine/fold-xor-and-select-i1.ll
+++ b/llvm/test/Transforms/InstCombine/fold-xor-and-select-i1.ll
@@ -4,10 +4,8 @@
 define i1 @max_if(i1 %a, i1 %b) {
 ; CHECK-LABEL: define i1 @max_if
 ; CHECK-SAME: (i1 [[A:%.*]], i1 [[B:%.*]]) {
-; CHECK-NEXT:    [[TMP1:%.*]] = xor i1 [[B]], true
-; CHECK-NEXT:    [[CMP:%.*]] = and i1 [[TMP1]], [[A]]
-; CHECK-NEXT:    [[TMP2:%.*]] = select i1 [[CMP]], i1 [[A]], i1 [[B]]
-; CHECK-NEXT:    ret i1 [[TMP2]]
+; CHECK-NEXT:    [[TMP1:%.*]] = or i1 [[A]], [[B]]
+; CHECK-NEXT:    ret i1 [[TMP1]]
 ;
   %1 = xor i1 %b, true
   %cmp = and i1 %1, %a