diff --git a/test/llvm/slp_aarch64.ll b/test/llvm/slp_aarch64.ll
index e8745f9..a49157b 100644
--- a/test/llvm/slp_aarch64.ll
+++ b/test/llvm/slp_aarch64.ll
@@ -1,15 +1,17 @@
-; RUN: opt -passes=slp-vectorizer,dce -S -mtriple=aarch64-unknown-linuxgnu %s
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt -passes=slp-vectorizer,dce -slp-threshold=-100 -S -mtriple=aarch64-unknown-linuxgnu %s | FileCheck %s
 
 ; The input function can be expressed in C as:
 ; int hadd(int *a) {
 ;   return a[0] + a[1] + a[2] + a[3]
 ; }
 define i32 @hadd(i32* %a) {
-; CHECK-LABEL: hadd
-; CHECK-NEXT:  %0 = bitcast i32* %a to <4 x i32>*
-; CHECK-NEXT:  %1 = load <4 x i32>, <4 x i32>* %0, align 4
-; CHECK-NEXT:  %2 = call i32 @llvm.experimental.vector.reduce.add.v4i32(<4 x i32> %1)
-; CHECK-NEXT:  ret i32 %2
+; CHECK-LABEL: @hadd(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[TMP0:%.*]] = load <4 x i32>, ptr [[A:%.*]], align 4
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP0]])
+; CHECK-NEXT:    ret i32 [[TMP1]]
+;
 
 entry:
   %0 = load i32, i32* %a, align 4
diff --git a/test/llvm/slp_x86.ll b/test/llvm/slp_x86.ll
index 16627be..4d0a00a 100644
--- a/test/llvm/slp_x86.ll
+++ b/test/llvm/slp_x86.ll
@@ -1,4 +1,5 @@
-; RUN: opt -passes=slp-vectorizer,dce -mtriple=x86_64-unknown-linuxgnu -S %s
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt -passes=slp-vectorizer,dce -slp-threshold=-100 -mtriple=x86_64-unknown-linuxgnu -S %s | FileCheck %s
 
 ; The input function can be expressed in C as:
 ; void foo(int a1, int a2, int b1, int b2, int *A) {
@@ -8,22 +9,20 @@
 ;   A[3] = a2*(a2 + b2);
 ; }
 define void @foo(i32, i32, i32, i32, i32* nocapture) local_unnamed_addr #0 {
-; CHECK-LABEL: foo
-; CHECK-NEXT:  %6 = insertelement <2 x i32> undef, i32 %2, i32 0
-; CHECK-NEXT:  %7 = insertelement <2 x i32> %6, i32 %3, i32 1
-; CHECK-NEXT:  %8 = insertelement <2 x i32> undef, i32 %0, i32 0
-; CHECK-NEXT:  %9 = insertelement <2 x i32> %8, i32 %1, i32 1
+; CHECK-LABEL: @foo(
+; CHECK-NEXT:    [[TMP6:%.*]] = insertelement <2 x i32> poison, i32 [[TMP2:%.*]], i32 0
+; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <2 x i32> [[TMP6]], i32 [[TMP3:%.*]], i32 1
+; CHECK-NEXT:    [[TMP8:%.*]] = insertelement <2 x i32> poison, i32 [[TMP0:%.*]], i32 0
+; CHECK-NEXT:    [[TMP9:%.*]] = insertelement <2 x i32> [[TMP8]], i32 [[TMP1:%.*]], i32 1
   ; %10 = [a1, a2] + [b1, b2] = [a1 + b1, a2 + b2]
-; CHECK-NEXT:  %10 = add nsw <2 x i32> %7, %9
+; CHECK-NEXT:    [[TMP10:%.*]] = add nsw <2 x i32> [[TMP7]], [[TMP9]]
   ; %11 = [a1 * (a1 + b1), a2 * (a2 + b2)]
-; CHECK-NEXT:  %11 = mul nsw <2 x i32> %10, %9
-; CHECK-NEXT:  %shuffle = shufflevector <2 x i32> %11, <2 x i32> undef, <4 x i32> <i32 0, i32 1, i32 0, i32 1>
-  ; Not used
-; CHECK-NEXT: %15 = bitcast i32* %4 to <4 x i32>*
+; CHECK-NEXT:    [[TMP11:%.*]] = mul nsw <2 x i32> [[TMP10]], [[TMP9]]
+; CHECK-NEXT:    [[TMP12:%.*]] = shufflevector <2 x i32> [[TMP11]], <2 x i32> poison, <4 x i32> <i32 0, i32 1, i32 0, i32 1>
   ; A = [shuffle[0], shuffle[1], shuffle[2], shuffle[3]]
-; CHECK-NEXT:  store <4 x i32> %shuffle, <4 x i32>* %15, align 4
-; CHECK-NEXT:  ret void
-
+; CHECK-NEXT:    store <4 x i32> [[TMP12]], ptr [[TMP4:%.*]], align 4
+; CHECK-NEXT:    ret void
+;
   %6 = add nsw i32 %2, %0
   %7 = mul nsw i32 %6, %0
   store i32 %7, i32* %4, align 4