diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
index 5ff2cd18c73c8b..000bd863a7c54f 100644
--- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -3694,11 +3694,13 @@ static bool isLoadCombineCandidateImpl(Value *Root, unsigned NumElts,
                                        TargetTransformInfo *TTI) {
   // Look past the root to find a source value. Arbitrarily follow the
   // path through operand 0 of any 'or'. Also, peek through optional
-  // shift-left-by-constant.
+  // shift-left-by-multiple-of-8-bits.
   Value *ZextLoad = Root;
+  const APInt *ShAmtC;
   while (!isa<ConstantExpr>(ZextLoad) &&
          (match(ZextLoad, m_Or(m_Value(), m_Value())) ||
-          match(ZextLoad, m_Shl(m_Value(), m_Constant()))))
+          (match(ZextLoad, m_Shl(m_Value(), m_APInt(ShAmtC))) &&
+           ShAmtC->urem(8) == 0)))
     ZextLoad = cast<BinaryOperator>(ZextLoad)->getOperand(0);
 
   // Check if the input is an extended load of the required or/shift expression.
diff --git a/llvm/test/Transforms/SLPVectorizer/X86/bad-reduction.ll b/llvm/test/Transforms/SLPVectorizer/X86/bad-reduction.ll
index c78bec1b6a20be..e1028cf5527621 100644
--- a/llvm/test/Transforms/SLPVectorizer/X86/bad-reduction.ll
+++ b/llvm/test/Transforms/SLPVectorizer/X86/bad-reduction.ll
@@ -545,10 +545,11 @@ define void @PR47450(i16* nocapture readonly %p) {
 ; CHECK-NEXT:    [[X:%.*]] = load i16, i16* [[P:%.*]], align 2
 ; CHECK-NEXT:    [[Z:%.*]] = zext i16 [[X]] to i32
 ; CHECK-NEXT:    [[S:%.*]] = shl nuw nsw i32 [[Z]], 1
-; CHECK-NEXT:    store i32 [[S]], i32* getelementptr inbounds ([8 x i32], [8 x i32]* @output, i64 0, i64 0), align 16
-; CHECK-NEXT:    store i32 [[S]], i32* getelementptr inbounds ([8 x i32], [8 x i32]* @output, i64 0, i64 1), align 4
-; CHECK-NEXT:    store i32 [[S]], i32* getelementptr inbounds ([8 x i32], [8 x i32]* @output, i64 0, i64 2), align 8
-; CHECK-NEXT:    store i32 [[S]], i32* getelementptr inbounds ([8 x i32], [8 x i32]* @output, i64 0, i64 3), align 4
+; CHECK-NEXT:    [[TMP1:%.*]] = insertelement <4 x i32> undef, i32 [[S]], i32 0
+; CHECK-NEXT:    [[TMP2:%.*]] = insertelement <4 x i32> [[TMP1]], i32 [[S]], i32 1
+; CHECK-NEXT:    [[TMP3:%.*]] = insertelement <4 x i32> [[TMP2]], i32 [[S]], i32 2
+; CHECK-NEXT:    [[TMP4:%.*]] = insertelement <4 x i32> [[TMP3]], i32 [[S]], i32 3
+; CHECK-NEXT:    store <4 x i32> [[TMP4]], <4 x i32>* bitcast ([8 x i32]* @output to <4 x i32>*), align 16
 ; CHECK-NEXT:    ret void
 ;
   %x = load i16, i16* %p, align 2