diff --git a/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp b/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp
--- a/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp
@@ -1554,6 +1554,14 @@
   if (Instruction *Ashr = foldAddToAshr(I))
     return Ashr;
 
+  // min(A, B) + max(A, B) => A + B.
+  if (match(&I,
+            match_combine_or(m_c_Add(m_SMax(m_Value(A), m_Value(B)),
+                                     m_c_SMin(m_Deferred(A), m_Deferred(B))),
+                             m_c_Add(m_UMax(m_Value(A), m_Value(B)),
+                                     m_c_UMin(m_Deferred(A), m_Deferred(B))))))
+    return BinaryOperator::CreateWithCopiedFlags(Instruction::Add, A, B, &I);
+
   // TODO(jingyue): Consider willNotOverflowSignedAdd and
   // willNotOverflowUnsignedAdd to reduce the number of invocations of
   // computeKnownBits.
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp b/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp
--- a/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp
@@ -471,6 +471,14 @@
   if (Instruction *Ext = narrowMathIfNoOverflow(I))
     return Ext;
 
+  // min(X, Y) * max(X, Y) => X * Y.
+  if (match(&I,
+            match_combine_or(m_c_Mul(m_SMax(m_Value(X), m_Value(Y)),
+                                     m_c_SMin(m_Deferred(X), m_Deferred(Y))),
+                             m_c_Mul(m_UMax(m_Value(X), m_Value(Y)),
+                                     m_c_UMin(m_Deferred(X), m_Deferred(Y))))))
+    return BinaryOperator::CreateWithCopiedFlags(Instruction::Mul, X, Y, &I);
+
   bool Changed = false;
   if (!HasNSW && willNotOverflowSignedMul(Op0, Op1, I)) {
     Changed = true;
diff --git a/llvm/test/Transforms/InstCombine/add-min-max.ll b/llvm/test/Transforms/InstCombine/add-min-max.ll
--- a/llvm/test/Transforms/InstCombine/add-min-max.ll
+++ b/llvm/test/Transforms/InstCombine/add-min-max.ll
@@ -9,9 +9,7 @@
 define i32 @uadd_min_max(i32 %a, i32 %b) {
 ; CHECK-LABEL: @uadd_min_max(
 ; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[MAX:%.*]] = call i32 @llvm.umax.i32(i32 [[A:%.*]], i32 [[B:%.*]])
-; CHECK-NEXT:    [[MIN:%.*]] = call i32 @llvm.umin.i32(i32 [[A]], i32 [[B]])
-; CHECK-NEXT:    [[RES:%.*]] = add i32 [[MIN]], [[MAX]]
+; CHECK-NEXT:    [[RES:%.*]] = add i32 [[A:%.*]], [[B:%.*]]
 ; CHECK-NEXT:    ret i32 [[RES]]
 ;
 entry:
@@ -24,9 +22,7 @@
 define i32 @uadd_min_max_comm(i32 %a, i32 %b) {
 ; CHECK-LABEL: @uadd_min_max_comm(
 ; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[MAX:%.*]] = call i32 @llvm.umax.i32(i32 [[B:%.*]], i32 [[A:%.*]])
-; CHECK-NEXT:    [[MIN:%.*]] = call i32 @llvm.umin.i32(i32 [[A]], i32 [[B]])
-; CHECK-NEXT:    [[RES:%.*]] = add i32 [[MIN]], [[MAX]]
+; CHECK-NEXT:    [[RES:%.*]] = add i32 [[B:%.*]], [[A:%.*]]
 ; CHECK-NEXT:    ret i32 [[RES]]
 ;
 entry:
@@ -39,9 +35,7 @@
 define i32 @uadd_min_max_nuw_nsw(i32 %a, i32 %b) {
 ; CHECK-LABEL: @uadd_min_max_nuw_nsw(
 ; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[MAX:%.*]] = call i32 @llvm.umax.i32(i32 [[A:%.*]], i32 [[B:%.*]])
-; CHECK-NEXT:    [[MIN:%.*]] = call i32 @llvm.umin.i32(i32 [[A]], i32 [[B]])
-; CHECK-NEXT:    [[RES:%.*]] = add nuw nsw i32 [[MIN]], [[MAX]]
+; CHECK-NEXT:    [[RES:%.*]] = add nuw nsw i32 [[A:%.*]], [[B:%.*]]
 ; CHECK-NEXT:    ret i32 [[RES]]
 ;
 entry:
@@ -54,9 +48,7 @@
 define i32 @sadd_min_max(i32 %a, i32 %b) {
 ; CHECK-LABEL: @sadd_min_max(
 ; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[MAX:%.*]] = call i32 @llvm.smax.i32(i32 [[A:%.*]], i32 [[B:%.*]])
-; CHECK-NEXT:    [[MIN:%.*]] = call i32 @llvm.smin.i32(i32 [[A]], i32 [[B]])
-; CHECK-NEXT:    [[RES:%.*]] = add i32 [[MIN]], [[MAX]]
+; CHECK-NEXT:    [[RES:%.*]] = add i32 [[A:%.*]], [[B:%.*]]
 ; CHECK-NEXT:    ret i32 [[RES]]
 ;
 entry:
@@ -69,9 +61,7 @@
 define i32 @sadd_min_max_comm(i32 %a, i32 %b) {
 ; CHECK-LABEL: @sadd_min_max_comm(
 ; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[MAX:%.*]] = call i32 @llvm.smax.i32(i32 [[B:%.*]], i32 [[A:%.*]])
-; CHECK-NEXT:    [[MIN:%.*]] = call i32 @llvm.smin.i32(i32 [[A]], i32 [[B]])
-; CHECK-NEXT:    [[RES:%.*]] = add i32 [[MIN]], [[MAX]]
+; CHECK-NEXT:    [[RES:%.*]] = add i32 [[B:%.*]], [[A:%.*]]
 ; CHECK-NEXT:    ret i32 [[RES]]
 ;
 entry:
@@ -84,9 +74,7 @@
 define i32 @sadd_min_max_nuw_nsw(i32 %a, i32 %b) {
 ; CHECK-LABEL: @sadd_min_max_nuw_nsw(
 ; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[MAX:%.*]] = call i32 @llvm.smax.i32(i32 [[A:%.*]], i32 [[B:%.*]])
-; CHECK-NEXT:    [[MIN:%.*]] = call i32 @llvm.smin.i32(i32 [[A]], i32 [[B]])
-; CHECK-NEXT:    [[RES:%.*]] = add nuw nsw i32 [[MIN]], [[MAX]]
+; CHECK-NEXT:    [[RES:%.*]] = add nuw nsw i32 [[A:%.*]], [[B:%.*]]
 ; CHECK-NEXT:    ret i32 [[RES]]
 ;
 entry:
diff --git a/llvm/test/Transforms/InstCombine/mul-min-max.ll b/llvm/test/Transforms/InstCombine/mul-min-max.ll
--- a/llvm/test/Transforms/InstCombine/mul-min-max.ll
+++ b/llvm/test/Transforms/InstCombine/mul-min-max.ll
@@ -9,9 +9,7 @@
 define i32 @umul_min_max(i32 %a, i32 %b) {
 ; CHECK-LABEL: @umul_min_max(
 ; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[MAX:%.*]] = call i32 @llvm.umax.i32(i32 [[A:%.*]], i32 [[B:%.*]])
-; CHECK-NEXT:    [[MIN:%.*]] = call i32 @llvm.umin.i32(i32 [[A]], i32 [[B]])
-; CHECK-NEXT:    [[RES:%.*]] = mul i32 [[MIN]], [[MAX]]
+; CHECK-NEXT:    [[RES:%.*]] = mul i32 [[A:%.*]], [[B:%.*]]
 ; CHECK-NEXT:    ret i32 [[RES]]
 ;
 entry:
@@ -24,9 +22,7 @@
 define i32 @umul_min_max_comm(i32 %a, i32 %b) {
 ; CHECK-LABEL: @umul_min_max_comm(
 ; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[MAX:%.*]] = call i32 @llvm.umax.i32(i32 [[B:%.*]], i32 [[A:%.*]])
-; CHECK-NEXT:    [[MIN:%.*]] = call i32 @llvm.umin.i32(i32 [[A]], i32 [[B]])
-; CHECK-NEXT:    [[RES:%.*]] = mul i32 [[MIN]], [[MAX]]
+; CHECK-NEXT:    [[RES:%.*]] = mul i32 [[B:%.*]], [[A:%.*]]
 ; CHECK-NEXT:    ret i32 [[RES]]
 ;
 entry:
@@ -39,9 +35,7 @@
 define i32 @umul_min_max_nuw_nsw(i32 %a, i32 %b) {
 ; CHECK-LABEL: @umul_min_max_nuw_nsw(
 ; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[MAX:%.*]] = call i32 @llvm.umax.i32(i32 [[A:%.*]], i32 [[B:%.*]])
-; CHECK-NEXT:    [[MIN:%.*]] = call i32 @llvm.umin.i32(i32 [[A]], i32 [[B]])
-; CHECK-NEXT:    [[RES:%.*]] = mul nuw nsw i32 [[MIN]], [[MAX]]
+; CHECK-NEXT:    [[RES:%.*]] = mul nuw nsw i32 [[A:%.*]], [[B:%.*]]
 ; CHECK-NEXT:    ret i32 [[RES]]
 ;
 entry:
@@ -54,9 +48,7 @@
 define i32 @smul_min_max(i32 %a, i32 %b) {
 ; CHECK-LABEL: @smul_min_max(
 ; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[MAX:%.*]] = call i32 @llvm.smax.i32(i32 [[A:%.*]], i32 [[B:%.*]])
-; CHECK-NEXT:    [[MIN:%.*]] = call i32 @llvm.smin.i32(i32 [[A]], i32 [[B]])
-; CHECK-NEXT:    [[RES:%.*]] = mul i32 [[MIN]], [[MAX]]
+; CHECK-NEXT:    [[RES:%.*]] = mul i32 [[A:%.*]], [[B:%.*]]
 ; CHECK-NEXT:    ret i32 [[RES]]
 ;
 entry:
@@ -69,9 +61,7 @@
 define i32 @smul_min_max_comm(i32 %a, i32 %b) {
 ; CHECK-LABEL: @smul_min_max_comm(
 ; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[MAX:%.*]] = call i32 @llvm.smax.i32(i32 [[B:%.*]], i32 [[A:%.*]])
-; CHECK-NEXT:    [[MIN:%.*]] = call i32 @llvm.smin.i32(i32 [[A]], i32 [[B]])
-; CHECK-NEXT:    [[RES:%.*]] = mul i32 [[MIN]], [[MAX]]
+; CHECK-NEXT:    [[RES:%.*]] = mul i32 [[B:%.*]], [[A:%.*]]
 ; CHECK-NEXT:    ret i32 [[RES]]
 ;
 entry:
@@ -84,9 +74,7 @@
 define i32 @smul_min_max_nuw_nsw(i32 %a, i32 %b) {
 ; CHECK-LABEL: @smul_min_max_nuw_nsw(
 ; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[MAX:%.*]] = call i32 @llvm.smax.i32(i32 [[A:%.*]], i32 [[B:%.*]])
-; CHECK-NEXT:    [[MIN:%.*]] = call i32 @llvm.smin.i32(i32 [[A]], i32 [[B]])
-; CHECK-NEXT:    [[RES:%.*]] = mul nuw nsw i32 [[MIN]], [[MAX]]
+; CHECK-NEXT:    [[RES:%.*]] = mul nuw nsw i32 [[A:%.*]], [[B:%.*]]
 ; CHECK-NEXT:    ret i32 [[RES]]
 ;
 entry: