--- /dev/null
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt -passes=vector-combine -S %s | FileCheck %s
+
+define <vscale x 4 x float> @scalarize_scalable(float %0, float %1, float %2, float %3) {
+; CHECK-LABEL: @scalarize_scalable(
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[DOTSCALAR:%.*]] = fadd fast float [[TMP1:%.*]], [[TMP0:%.*]]
+; CHECK-NEXT: [[DOTSCALAR1:%.*]] = fadd fast float [[TMP2:%.*]], [[DOTSCALAR]]
+; CHECK-NEXT: [[DOTSCALAR2:%.*]] = fadd fast float [[TMP3:%.*]], [[DOTSCALAR1]]
+; CHECK-NEXT: [[TMP4:%.*]] = insertelement <vscale x 4 x float> poison, float [[DOTSCALAR2]], i64 0
+; CHECK-NEXT: [[TMP5:%.*]] = shufflevector <vscale x 4 x float> [[TMP4]], <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
+; CHECK-NEXT: ret <vscale x 4 x float> [[TMP5]]
+;
+entry:
+ %broadcast.splatinsert = insertelement <vscale x 4 x float> poison, float %0, i64 0
+ %broadcast.splatinsert28 = insertelement <vscale x 4 x float> poison, float %1, i64 0
+ %broadcast.splatinsert30 = insertelement <vscale x 4 x float> poison, float %2, i64 0
+ %broadcast.splatinsert32 = insertelement <vscale x 4 x float> poison, float %3, i64 0
+ %4 = fadd fast <vscale x 4 x float> %broadcast.splatinsert28, %broadcast.splatinsert
+ %5 = fadd fast <vscale x 4 x float> %broadcast.splatinsert30, %4
+ %6 = fadd fast <vscale x 4 x float> %broadcast.splatinsert32, %5
+ %7 = shufflevector <vscale x 4 x float> %6, <vscale x 4 x float> poison, <vscale x 4 x i32> zeroinitializer
+ ret <vscale x 4 x float> %7
+}
+
+define <vscale x 4 x i32> @scalarize_scalable_udiv(i32 %x, i32 %y) {
+; CHECK-LABEL: @scalarize_scalable_udiv(
+; CHECK-NEXT: [[R_SCALAR:%.*]] = udiv i32 [[X:%.*]], [[Y:%.*]]
+; CHECK-NEXT: [[R:%.*]] = insertelement <vscale x 4 x i32> poison, i32 [[R_SCALAR]], i64 0
+; CHECK-NEXT: ret <vscale x 4 x i32> [[R]]
+;
+ %splatx = insertelement <vscale x 4 x i32> poison, i32 %x, i64 0
+ %splaty = insertelement <vscale x 4 x i32> poison, i32 %y, i64 0
+ %r = udiv <vscale x 4 x i32> %splatx, %splaty
+ ret <vscale x 4 x i32> %r
+}
+
+define <vscale x 4 x i1> @scalarize_scalable_icmp(i32 %x, i32 %y) {
+; CHECK-LABEL: @scalarize_scalable_icmp(
+; CHECK-NEXT: [[R_SCALAR:%.*]] = icmp sgt i32 [[X:%.*]], [[Y:%.*]]
+; CHECK-NEXT: [[R:%.*]] = insertelement <vscale x 4 x i1> poison, i1 [[R_SCALAR]], i64 0
+; CHECK-NEXT: ret <vscale x 4 x i1> [[R]]
+;
+ %splatx = insertelement <vscale x 4 x i32> poison, i32 %x, i64 0
+ %splaty = insertelement <vscale x 4 x i32> poison, i32 %y, i64 0
+ %r = icmp sgt <vscale x 4 x i32> %splatx, %splaty
+ ret <vscale x 4 x i1> %r
+}