diff --git a/llvm/test/Transforms/InstSimplify/minmax-intrin.ll b/llvm/test/Transforms/InstSimplify/minmax-intrin.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/Transforms/InstSimplify/minmax-intrin.ll
@@ -0,0 +1,140 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt < %s -passes=instsimplify -S | FileCheck %s
+
+declare i8 @llvm.umax.i8(i8, i8)
+declare i8 @llvm.smax.i8(i8, i8)
+declare i8 @llvm.umin.i8(i8, i8)
+declare i8 @llvm.smin.i8(i8, i8)
+declare i8 @llvm.sadd.sat.i8(i8, i8)
+declare i8 @llvm.uadd.sat.i8(i8, i8)
+declare i8 @llvm.ssub.sat.i8(i8, i8)
+declare i8 @llvm.usub.sat.i8(i8, i8)
+declare i8 @llvm.abs.i8(i8, i1)
+
+declare <2 x i8> @llvm.abs.v2i8(<2 x i8>, i1)
+declare <2 x i8> @llvm.smax.v2i8(<2 x i8>, <2 x i8>)
+declare <2 x i8> @llvm.uadd.sat.v2i8(<2 x i8>, <2 x i8>)
+declare <2 x i8> @llvm.usub.sat.v2i8(<2 x i8>, <2 x i8>)
+declare <2 x i8> @llvm.umax.v2i8(<2 x i8>, <2 x i8>)
+declare <2 x i8> @llvm.umin.v2i8(<2 x i8>, <2 x i8>)
+
+define <2 x i8> @umax_uadd_sat(<2 x i8> %x, <2 x i8> %y) {
+; CHECK-LABEL: @umax_uadd_sat(
+; CHECK-NEXT:    [[XX:%.*]] = call <2 x i8> @llvm.uadd.sat.v2i8(<2 x i8> [[X:%.*]], <2 x i8> [[Y:%.*]])
+; CHECK-NEXT:    [[RET:%.*]] = call <2 x i8> @llvm.umax.v2i8(<2 x i8> [[X]], <2 x i8> [[XX]])
+; CHECK-NEXT:    ret <2 x i8> [[RET]]
+;
+  %xx = call <2 x i8> @llvm.uadd.sat.v2i8(<2 x i8> %x, <2 x i8> %y)
+  %ret = call <2 x i8> @llvm.umax.v2i8(<2 x i8> %x, <2 x i8> %xx)
+  ret <2 x i8> %ret
+}
+
+define i8 @umin_uadd_sat(i8 %x, i8 %y) {
+; CHECK-LABEL: @umin_uadd_sat(
+; CHECK-NEXT:    [[XX:%.*]] = call i8 @llvm.uadd.sat.i8(i8 [[X:%.*]], i8 [[Y:%.*]])
+; CHECK-NEXT:    [[RET:%.*]] = call i8 @llvm.umin.i8(i8 [[XX]], i8 [[X]])
+; CHECK-NEXT:    ret i8 [[RET]]
+;
+  %xx = call i8 @llvm.uadd.sat.i8(i8 %x, i8 %y)
+  %ret = call i8 @llvm.umin.i8(i8 %xx, i8 %x)
+  ret i8 %ret
+}
+
+define i8 @umax_usub_sat(i8 %x, i8 %y) {
+; CHECK-LABEL: @umax_usub_sat(
+; CHECK-NEXT:    [[XX:%.*]] = call i8 @llvm.usub.sat.i8(i8 [[X:%.*]], i8 [[Y:%.*]])
+; CHECK-NEXT:    [[RET:%.*]] = call i8 @llvm.umax.i8(i8 [[X]], i8 [[XX]])
+; CHECK-NEXT:    ret i8 [[RET]]
+;
+  %xx = call i8 @llvm.usub.sat.i8(i8 %x, i8 %y)
+  %ret = call i8 @llvm.umax.i8(i8 %x, i8 %xx)
+  ret i8 %ret
+}
+
+define <2 x i8> @umin_usub_sat(<2 x i8> %x, <2 x i8> %y) {
+; CHECK-LABEL: @umin_usub_sat(
+; CHECK-NEXT:    [[XX:%.*]] = call <2 x i8> @llvm.usub.sat.v2i8(<2 x i8> [[X:%.*]], <2 x i8> [[Y:%.*]])
+; CHECK-NEXT:    [[RET:%.*]] = call <2 x i8> @llvm.umin.v2i8(<2 x i8> [[X]], <2 x i8> [[XX]])
+; CHECK-NEXT:    ret <2 x i8> [[RET]]
+;
+  %xx = call <2 x i8> @llvm.usub.sat.v2i8(<2 x i8> %x, <2 x i8> %y)
+  %ret = call <2 x i8> @llvm.umin.v2i8(<2 x i8> %x, <2 x i8> %xx)
+  ret <2 x i8> %ret
+}
+
+define <2 x i8> @umax_usub_sat_fail_mismatch(<2 x i8> %x, <2 x i8> %y, <2 x i8> %z) {
+; CHECK-LABEL: @umax_usub_sat_fail_mismatch(
+; CHECK-NEXT:    [[XX:%.*]] = call <2 x i8> @llvm.usub.sat.v2i8(<2 x i8> [[X:%.*]], <2 x i8> [[Y:%.*]])
+; CHECK-NEXT:    [[RET:%.*]] = call <2 x i8> @llvm.umax.v2i8(<2 x i8> [[Z:%.*]], <2 x i8> [[XX]])
+; CHECK-NEXT:    ret <2 x i8> [[RET]]
+;
+  %xx = call <2 x i8> @llvm.usub.sat.v2i8(<2 x i8> %x, <2 x i8> %y)
+  %ret = call <2 x i8> @llvm.umax.v2i8(<2 x i8> %z, <2 x i8> %xx)
+  ret <2 x i8> %ret
+}
+
+define i8 @smin_usub_sat_fail(i8 %x, i8 %y) {
+; CHECK-LABEL: @smin_usub_sat_fail(
+; CHECK-NEXT:    [[XX:%.*]] = call i8 @llvm.uadd.sat.i8(i8 [[X:%.*]], i8 [[Y:%.*]])
+; CHECK-NEXT:    [[RET:%.*]] = call i8 @llvm.smin.i8(i8 [[X]], i8 [[XX]])
+; CHECK-NEXT:    ret i8 [[RET]]
+;
+  %xx = call i8 @llvm.uadd.sat.i8(i8 %x, i8 %y)
+  %ret = call i8 @llvm.smin.i8(i8 %x, i8 %xx)
+  ret i8 %ret
+}
+
+define i8 @umax_absT(i8 %x) {
+; CHECK-LABEL: @umax_absT(
+; CHECK-NEXT:    [[XX:%.*]] = call i8 @llvm.abs.i8(i8 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[RET:%.*]] = call i8 @llvm.umax.i8(i8 [[XX]], i8 [[X]])
+; CHECK-NEXT:    ret i8 [[RET]]
+;
+  %xx = call i8 @llvm.abs.i8(i8 %x, i1 true)
+  %ret = call i8 @llvm.umax.i8(i8 %xx, i8 %x)
+  ret i8 %ret
+}
+
+define i8 @umax_absT_fail_mismatch(i8 %x, i8 %y) {
+; CHECK-LABEL: @umax_absT_fail_mismatch(
+; CHECK-NEXT:    [[XX:%.*]] = call i8 @llvm.abs.i8(i8 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[RET:%.*]] = call i8 @llvm.umax.i8(i8 [[Y:%.*]], i8 [[XX]])
+; CHECK-NEXT:    ret i8 [[RET]]
+;
+  %xx = call i8 @llvm.abs.i8(i8 %x, i1 true)
+  %ret = call i8 @llvm.umax.i8(i8 %y, i8 %xx)
+  ret i8 %ret
+}
+
+define <2 x i8> @umin_absF(<2 x i8> %x) {
+; CHECK-LABEL: @umin_absF(
+; CHECK-NEXT:    [[XX:%.*]] = call <2 x i8> @llvm.abs.v2i8(<2 x i8> [[X:%.*]], i1 false)
+; CHECK-NEXT:    [[RET:%.*]] = call <2 x i8> @llvm.umin.v2i8(<2 x i8> [[X]], <2 x i8> [[XX]])
+; CHECK-NEXT:    ret <2 x i8> [[RET]]
+;
+  %xx = call <2 x i8> @llvm.abs.v2i8(<2 x i8> %x, i1 false)
+  %ret = call <2 x i8> @llvm.umin.v2i8(<2 x i8> %x, <2 x i8> %xx)
+  ret <2 x i8> %ret
+}
+
+define i8 @smax_absT(i8 %x) {
+; CHECK-LABEL: @smax_absT(
+; CHECK-NEXT:    [[XX:%.*]] = call i8 @llvm.abs.i8(i8 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[RET:%.*]] = call i8 @llvm.smax.i8(i8 [[X]], i8 [[XX]])
+; CHECK-NEXT:    ret i8 [[RET]]
+;
+  %xx = call i8 @llvm.abs.i8(i8 %x, i1 true)
+  %ret = call i8 @llvm.smax.i8(i8 %x, i8 %xx)
+  ret i8 %ret
+}
+
+define i8 @smin_absF(i8 %x) {
+; CHECK-LABEL: @smin_absF(
+; CHECK-NEXT:    [[XX:%.*]] = call i8 @llvm.abs.i8(i8 [[X:%.*]], i1 false)
+; CHECK-NEXT:    [[RET:%.*]] = call i8 @llvm.smin.i8(i8 [[XX]], i8 [[X]])
+; CHECK-NEXT:    ret i8 [[RET]]
+;
+  %xx = call i8 @llvm.abs.i8(i8 %x, i1 false)
+  %ret = call i8 @llvm.smin.i8(i8 %xx, i8 %x)
+  ret i8 %ret
+}