Index: llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp
===================================================================
--- llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp
+++ llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp
@@ -1795,6 +1795,37 @@
     }
   }
 
+  // (~A & B & C) | ~(A | B | C) -> ~(A | (B ^ C))
+  // (~A | B | C) & ~(A & B & C) -> (~A | (B ^ C))
+  // TODO: One use checks are conservative. We just need to check that a total
+  //       number of multiple used values does not exceed reduction
+  //       in operations.
+  if (match(Op0,
+            m_OneUse(m_c_BinOp(FlippedOpcode,
+                               m_BinOp(FlippedOpcode, m_Value(B), m_Value(C)),
+                               m_CombineAnd(m_Value(X), m_Not(m_Value(A)))))) ||
+      match(Op0, m_OneUse(m_c_BinOp(
+                     FlippedOpcode,
+                     m_c_BinOp(FlippedOpcode, m_Value(C),
+                               m_CombineAnd(m_Value(X), m_Not(m_Value(A)))),
+                     m_Value(B))))) {
+    // X = ~A
+    if (match(Op1, m_OneUse(m_Not(m_c_BinOp(
+                       Opcode, m_c_BinOp(Opcode, m_Specific(A), m_Specific(B)),
+                       m_Specific(C))))) ||
+        match(Op1, m_OneUse(m_Not(m_c_BinOp(
+                       Opcode, m_c_BinOp(Opcode, m_Specific(B), m_Specific(C)),
+                       m_Specific(A))))) ||
+        match(Op1, m_OneUse(m_Not(m_c_BinOp(
+                       Opcode, m_c_BinOp(Opcode, m_Specific(A), m_Specific(C)),
+                       m_Specific(B)))))) {
+      Value *Xor = Builder.CreateXor(B, C);
+      return (Opcode == Instruction::Or)
+                 ? BinaryOperator::CreateNot(Builder.CreateOr(Xor, A))
+                 : BinaryOperator::CreateOr(Xor, X);
+    }
+  }
+
   return nullptr;
 }
 
Index: llvm/test/Transforms/InstCombine/and-xor-or.ll
===================================================================
--- llvm/test/Transforms/InstCombine/and-xor-or.ll
+++ llvm/test/Transforms/InstCombine/and-xor-or.ll
@@ -2534,13 +2534,9 @@
 
 define i32 @not_and_and_or_not_or_or(i32 %a, i32 %b, i32 %c) {
 ; CHECK-LABEL: @not_and_and_or_not_or_or(
-; CHECK-NEXT:    [[OR1:%.*]] = or i32 [[B:%.*]], [[A:%.*]]
-; CHECK-NEXT:    [[OR2:%.*]] = or i32 [[OR1]], [[C:%.*]]
-; CHECK-NEXT:    [[NOT1:%.*]] = xor i32 [[OR2]], -1
-; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A]], -1
-; CHECK-NEXT:    [[AND1:%.*]] = and i32 [[NOT2]], [[B]]
-; CHECK-NEXT:    [[AND2:%.*]] = and i32 [[AND1]], [[C]]
-; CHECK-NEXT:    [[OR3:%.*]] = or i32 [[AND2]], [[NOT1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i32 [[C:%.*]], [[B:%.*]]
+; CHECK-NEXT:    [[TMP2:%.*]] = or i32 [[TMP1]], [[A:%.*]]
+; CHECK-NEXT:    [[OR3:%.*]] = xor i32 [[TMP2]], -1
 ; CHECK-NEXT:    ret i32 [[OR3]]
 ;
   %or1 = or i32 %b, %a
@@ -2555,13 +2551,9 @@
 
 define i32 @not_and_and_or_not_or_or_commute1_or(i32 %a, i32 %b, i32 %c) {
 ; CHECK-LABEL: @not_and_and_or_not_or_or_commute1_or(
-; CHECK-NEXT:    [[OR1:%.*]] = or i32 [[C:%.*]], [[A:%.*]]
-; CHECK-NEXT:    [[OR2:%.*]] = or i32 [[OR1]], [[B:%.*]]
-; CHECK-NEXT:    [[NOT1:%.*]] = xor i32 [[OR2]], -1
-; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A]], -1
-; CHECK-NEXT:    [[AND1:%.*]] = and i32 [[NOT2]], [[B]]
-; CHECK-NEXT:    [[AND2:%.*]] = and i32 [[AND1]], [[C]]
-; CHECK-NEXT:    [[OR3:%.*]] = or i32 [[AND2]], [[NOT1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i32 [[C:%.*]], [[B:%.*]]
+; CHECK-NEXT:    [[TMP2:%.*]] = or i32 [[TMP1]], [[A:%.*]]
+; CHECK-NEXT:    [[OR3:%.*]] = xor i32 [[TMP2]], -1
 ; CHECK-NEXT:    ret i32 [[OR3]]
 ;
   %or1 = or i32 %c, %a
@@ -2576,13 +2568,9 @@
 
 define i32 @not_and_and_or_not_or_or_commute2_or(i32 %a, i32 %b, i32 %c) {
 ; CHECK-LABEL: @not_and_and_or_not_or_or_commute2_or(
-; CHECK-NEXT:    [[OR1:%.*]] = or i32 [[B:%.*]], [[C:%.*]]
-; CHECK-NEXT:    [[OR2:%.*]] = or i32 [[OR1]], [[A:%.*]]
-; CHECK-NEXT:    [[NOT1:%.*]] = xor i32 [[OR2]], -1
-; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A]], -1
-; CHECK-NEXT:    [[AND1:%.*]] = and i32 [[NOT2]], [[B]]
-; CHECK-NEXT:    [[AND2:%.*]] = and i32 [[AND1]], [[C]]
-; CHECK-NEXT:    [[OR3:%.*]] = or i32 [[AND2]], [[NOT1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i32 [[C:%.*]], [[B:%.*]]
+; CHECK-NEXT:    [[TMP2:%.*]] = or i32 [[TMP1]], [[A:%.*]]
+; CHECK-NEXT:    [[OR3:%.*]] = xor i32 [[TMP2]], -1
 ; CHECK-NEXT:    ret i32 [[OR3]]
 ;
   %or1 = or i32 %b, %c
@@ -2597,13 +2585,9 @@
 
 define i32 @not_and_and_or_not_or_or_commute1_and(i32 %a, i32 %b, i32 %c) {
 ; CHECK-LABEL: @not_and_and_or_not_or_or_commute1_and(
-; CHECK-NEXT:    [[OR1:%.*]] = or i32 [[B:%.*]], [[A:%.*]]
-; CHECK-NEXT:    [[OR2:%.*]] = or i32 [[OR1]], [[C:%.*]]
-; CHECK-NEXT:    [[NOT1:%.*]] = xor i32 [[OR2]], -1
-; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A]], -1
-; CHECK-NEXT:    [[AND1:%.*]] = and i32 [[NOT2]], [[C]]
-; CHECK-NEXT:    [[AND2:%.*]] = and i32 [[AND1]], [[B]]
-; CHECK-NEXT:    [[OR3:%.*]] = or i32 [[AND2]], [[NOT1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i32 [[B:%.*]], [[C:%.*]]
+; CHECK-NEXT:    [[TMP2:%.*]] = or i32 [[TMP1]], [[A:%.*]]
+; CHECK-NEXT:    [[OR3:%.*]] = xor i32 [[TMP2]], -1
 ; CHECK-NEXT:    ret i32 [[OR3]]
 ;
   %or1 = or i32 %b, %a
@@ -2618,13 +2602,9 @@
 
 define i32 @not_and_and_or_not_or_or_commute2_and(i32 %a, i32 %b, i32 %c) {
 ; CHECK-LABEL: @not_and_and_or_not_or_or_commute2_and(
-; CHECK-NEXT:    [[OR1:%.*]] = or i32 [[B:%.*]], [[A:%.*]]
-; CHECK-NEXT:    [[OR2:%.*]] = or i32 [[OR1]], [[C:%.*]]
-; CHECK-NEXT:    [[NOT1:%.*]] = xor i32 [[OR2]], -1
-; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A]], -1
-; CHECK-NEXT:    [[AND1:%.*]] = and i32 [[B]], [[C]]
-; CHECK-NEXT:    [[AND2:%.*]] = and i32 [[AND1]], [[NOT2]]
-; CHECK-NEXT:    [[OR3:%.*]] = or i32 [[AND2]], [[NOT1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i32 [[B:%.*]], [[C:%.*]]
+; CHECK-NEXT:    [[TMP2:%.*]] = or i32 [[TMP1]], [[A:%.*]]
+; CHECK-NEXT:    [[OR3:%.*]] = xor i32 [[TMP2]], -1
 ; CHECK-NEXT:    ret i32 [[OR3]]
 ;
   %or1 = or i32 %b, %a
@@ -2639,13 +2619,9 @@
 
 define i32 @not_and_and_or_not_or_or_commute1(i32 %a, i32 %b, i32 %c) {
 ; CHECK-LABEL: @not_and_and_or_not_or_or_commute1(
-; CHECK-NEXT:    [[OR1:%.*]] = or i32 [[A:%.*]], [[B:%.*]]
-; CHECK-NEXT:    [[OR2:%.*]] = or i32 [[OR1]], [[C:%.*]]
-; CHECK-NEXT:    [[NOT1:%.*]] = xor i32 [[OR2]], -1
-; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A]], -1
-; CHECK-NEXT:    [[AND1:%.*]] = and i32 [[NOT2]], [[B]]
-; CHECK-NEXT:    [[AND2:%.*]] = and i32 [[AND1]], [[C]]
-; CHECK-NEXT:    [[OR3:%.*]] = or i32 [[AND2]], [[NOT1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i32 [[C:%.*]], [[B:%.*]]
+; CHECK-NEXT:    [[TMP2:%.*]] = or i32 [[TMP1]], [[A:%.*]]
+; CHECK-NEXT:    [[OR3:%.*]] = xor i32 [[TMP2]], -1
 ; CHECK-NEXT:    ret i32 [[OR3]]
 ;
   %or1 = or i32 %a, %b
@@ -2661,13 +2637,9 @@
 define i32 @not_and_and_or_not_or_or_commute2(i32 %a, i32 %b, i32 %c0) {
 ; CHECK-LABEL: @not_and_and_or_not_or_or_commute2(
 ; CHECK-NEXT:    [[C:%.*]] = sdiv i32 42, [[C0:%.*]]
-; CHECK-NEXT:    [[OR1:%.*]] = or i32 [[B:%.*]], [[A:%.*]]
-; CHECK-NEXT:    [[OR2:%.*]] = or i32 [[C]], [[OR1]]
-; CHECK-NEXT:    [[NOT1:%.*]] = xor i32 [[OR2]], -1
-; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A]], -1
-; CHECK-NEXT:    [[AND1:%.*]] = and i32 [[NOT2]], [[B]]
-; CHECK-NEXT:    [[AND2:%.*]] = and i32 [[AND1]], [[C]]
-; CHECK-NEXT:    [[OR3:%.*]] = or i32 [[AND2]], [[NOT1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i32 [[C]], [[B:%.*]]
+; CHECK-NEXT:    [[TMP2:%.*]] = or i32 [[TMP1]], [[A:%.*]]
+; CHECK-NEXT:    [[OR3:%.*]] = xor i32 [[TMP2]], -1
 ; CHECK-NEXT:    ret i32 [[OR3]]
 ;
   %c = sdiv i32 42, %c0 ; thwart complexity-based canonicalization
@@ -2684,13 +2656,9 @@
 define i32 @not_and_and_or_not_or_or_commute3(i32 %a, i32 %b0, i32 %c) {
 ; CHECK-LABEL: @not_and_and_or_not_or_or_commute3(
 ; CHECK-NEXT:    [[B:%.*]] = sdiv i32 42, [[B0:%.*]]
-; CHECK-NEXT:    [[OR1:%.*]] = or i32 [[B]], [[A:%.*]]
-; CHECK-NEXT:    [[OR2:%.*]] = or i32 [[OR1]], [[C:%.*]]
-; CHECK-NEXT:    [[NOT1:%.*]] = xor i32 [[OR2]], -1
-; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A]], -1
-; CHECK-NEXT:    [[AND1:%.*]] = and i32 [[B]], [[NOT2]]
-; CHECK-NEXT:    [[AND2:%.*]] = and i32 [[AND1]], [[C]]
-; CHECK-NEXT:    [[OR3:%.*]] = or i32 [[AND2]], [[NOT1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i32 [[B]], [[C:%.*]]
+; CHECK-NEXT:    [[TMP2:%.*]] = or i32 [[TMP1]], [[A:%.*]]
+; CHECK-NEXT:    [[OR3:%.*]] = xor i32 [[TMP2]], -1
 ; CHECK-NEXT:    ret i32 [[OR3]]
 ;
   %b = sdiv i32 42, %b0 ; thwart complexity-based canonicalization
@@ -2707,13 +2675,9 @@
 define i32 @not_and_and_or_not_or_or_commute4(i32 %a, i32 %b, i32 %c0) {
 ; CHECK-LABEL: @not_and_and_or_not_or_or_commute4(
 ; CHECK-NEXT:    [[C:%.*]] = sdiv i32 42, [[C0:%.*]]
-; CHECK-NEXT:    [[OR1:%.*]] = or i32 [[B:%.*]], [[A:%.*]]
-; CHECK-NEXT:    [[OR2:%.*]] = or i32 [[OR1]], [[C]]
-; CHECK-NEXT:    [[NOT1:%.*]] = xor i32 [[OR2]], -1
-; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A]], -1
-; CHECK-NEXT:    [[AND1:%.*]] = and i32 [[NOT2]], [[B]]
-; CHECK-NEXT:    [[AND2:%.*]] = and i32 [[C]], [[AND1]]
-; CHECK-NEXT:    [[OR3:%.*]] = or i32 [[AND2]], [[NOT1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i32 [[C]], [[B:%.*]]
+; CHECK-NEXT:    [[TMP2:%.*]] = or i32 [[TMP1]], [[A:%.*]]
+; CHECK-NEXT:    [[OR3:%.*]] = xor i32 [[TMP2]], -1
 ; CHECK-NEXT:    ret i32 [[OR3]]
 ;
   %c = sdiv i32 42, %c0 ; thwart complexity-based canonicalization
@@ -2730,12 +2694,9 @@
 define i32 @not_and_and_or_not_or_or_use1(i32 %a, i32 %b, i32 %c) {
 ; CHECK-LABEL: @not_and_and_or_not_or_or_use1(
 ; CHECK-NEXT:    [[OR1:%.*]] = or i32 [[B:%.*]], [[A:%.*]]
-; CHECK-NEXT:    [[OR2:%.*]] = or i32 [[OR1]], [[C:%.*]]
-; CHECK-NEXT:    [[NOT1:%.*]] = xor i32 [[OR2]], -1
-; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A]], -1
-; CHECK-NEXT:    [[AND1:%.*]] = and i32 [[NOT2]], [[B]]
-; CHECK-NEXT:    [[AND2:%.*]] = and i32 [[AND1]], [[C]]
-; CHECK-NEXT:    [[OR3:%.*]] = or i32 [[AND2]], [[NOT1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i32 [[C:%.*]], [[B]]
+; CHECK-NEXT:    [[TMP2:%.*]] = or i32 [[TMP1]], [[A]]
+; CHECK-NEXT:    [[OR3:%.*]] = xor i32 [[TMP2]], -1
 ; CHECK-NEXT:    call void @use(i32 [[OR1]])
 ; CHECK-NEXT:    ret i32 [[OR3]]
 ;
@@ -2754,11 +2715,9 @@
 ; CHECK-LABEL: @not_and_and_or_not_or_or_use2(
 ; CHECK-NEXT:    [[OR1:%.*]] = or i32 [[B:%.*]], [[A:%.*]]
 ; CHECK-NEXT:    [[OR2:%.*]] = or i32 [[OR1]], [[C:%.*]]
-; CHECK-NEXT:    [[NOT1:%.*]] = xor i32 [[OR2]], -1
-; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A]], -1
-; CHECK-NEXT:    [[AND1:%.*]] = and i32 [[NOT2]], [[B]]
-; CHECK-NEXT:    [[AND2:%.*]] = and i32 [[AND1]], [[C]]
-; CHECK-NEXT:    [[OR3:%.*]] = or i32 [[AND2]], [[NOT1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i32 [[C]], [[B]]
+; CHECK-NEXT:    [[TMP2:%.*]] = or i32 [[TMP1]], [[A]]
+; CHECK-NEXT:    [[OR3:%.*]] = xor i32 [[TMP2]], -1
 ; CHECK-NEXT:    call void @use(i32 [[OR2]])
 ; CHECK-NEXT:    ret i32 [[OR3]]
 ;
@@ -2798,13 +2757,10 @@
 
 define i32 @not_and_and_or_not_or_or_use4(i32 %a, i32 %b, i32 %c) {
 ; CHECK-LABEL: @not_and_and_or_not_or_or_use4(
-; CHECK-NEXT:    [[OR1:%.*]] = or i32 [[B:%.*]], [[A:%.*]]
-; CHECK-NEXT:    [[OR2:%.*]] = or i32 [[OR1]], [[C:%.*]]
-; CHECK-NEXT:    [[NOT1:%.*]] = xor i32 [[OR2]], -1
-; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A]], -1
-; CHECK-NEXT:    [[AND1:%.*]] = and i32 [[NOT2]], [[B]]
-; CHECK-NEXT:    [[AND2:%.*]] = and i32 [[AND1]], [[C]]
-; CHECK-NEXT:    [[OR3:%.*]] = or i32 [[AND2]], [[NOT1]]
+; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A:%.*]], -1
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i32 [[C:%.*]], [[B:%.*]]
+; CHECK-NEXT:    [[TMP2:%.*]] = or i32 [[TMP1]], [[A]]
+; CHECK-NEXT:    [[OR3:%.*]] = xor i32 [[TMP2]], -1
 ; CHECK-NEXT:    call void @use(i32 [[NOT2]])
 ; CHECK-NEXT:    ret i32 [[OR3]]
 ;
@@ -2821,13 +2777,11 @@
 
 define i32 @not_and_and_or_not_or_or_use5(i32 %a, i32 %b, i32 %c) {
 ; CHECK-LABEL: @not_and_and_or_not_or_or_use5(
-; CHECK-NEXT:    [[OR1:%.*]] = or i32 [[B:%.*]], [[A:%.*]]
-; CHECK-NEXT:    [[OR2:%.*]] = or i32 [[OR1]], [[C:%.*]]
-; CHECK-NEXT:    [[NOT1:%.*]] = xor i32 [[OR2]], -1
-; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A]], -1
-; CHECK-NEXT:    [[AND1:%.*]] = and i32 [[NOT2]], [[B]]
-; CHECK-NEXT:    [[AND2:%.*]] = and i32 [[AND1]], [[C]]
-; CHECK-NEXT:    [[OR3:%.*]] = or i32 [[AND2]], [[NOT1]]
+; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A:%.*]], -1
+; CHECK-NEXT:    [[AND1:%.*]] = and i32 [[NOT2]], [[B:%.*]]
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i32 [[C:%.*]], [[B]]
+; CHECK-NEXT:    [[TMP2:%.*]] = or i32 [[TMP1]], [[A]]
+; CHECK-NEXT:    [[OR3:%.*]] = xor i32 [[TMP2]], -1
 ; CHECK-NEXT:    call void @use(i32 [[AND1]])
 ; CHECK-NEXT:    ret i32 [[OR3]]
 ;
@@ -2869,12 +2823,9 @@
 
 define i32 @not_or_or_and_not_and_and(i32 %a, i32 %b, i32 %c) {
 ; CHECK-LABEL: @not_or_or_and_not_and_and(
-; CHECK-NEXT:    [[AND1:%.*]] = and i32 [[B:%.*]], [[A:%.*]]
-; CHECK-NEXT:    [[AND2:%.*]] = and i32 [[AND1]], [[C:%.*]]
-; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A]], -1
-; CHECK-NEXT:    [[OR1:%.*]] = or i32 [[NOT2]], [[B]]
-; CHECK-NEXT:    [[OR2:%.*]] = or i32 [[OR1]], [[C]]
-; CHECK-NEXT:    [[AND3:%.*]] = xor i32 [[AND2]], [[OR2]]
+; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A:%.*]], -1
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i32 [[C:%.*]], [[B:%.*]]
+; CHECK-NEXT:    [[AND3:%.*]] = or i32 [[TMP1]], [[NOT2]]
 ; CHECK-NEXT:    ret i32 [[AND3]]
 ;
   %and1 = and i32 %b, %a
@@ -2889,12 +2840,9 @@
 
 define i32 @not_or_or_and_not_and_and_commute1_and(i32 %a, i32 %b, i32 %c) {
 ; CHECK-LABEL: @not_or_or_and_not_and_and_commute1_and(
-; CHECK-NEXT:    [[AND1:%.*]] = and i32 [[C:%.*]], [[A:%.*]]
-; CHECK-NEXT:    [[AND2:%.*]] = and i32 [[AND1]], [[B:%.*]]
-; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A]], -1
-; CHECK-NEXT:    [[OR1:%.*]] = or i32 [[NOT2]], [[B]]
-; CHECK-NEXT:    [[OR2:%.*]] = or i32 [[OR1]], [[C]]
-; CHECK-NEXT:    [[AND3:%.*]] = xor i32 [[AND2]], [[OR2]]
+; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A:%.*]], -1
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i32 [[C:%.*]], [[B:%.*]]
+; CHECK-NEXT:    [[AND3:%.*]] = or i32 [[TMP1]], [[NOT2]]
 ; CHECK-NEXT:    ret i32 [[AND3]]
 ;
   %and1 = and i32 %c, %a
@@ -2909,12 +2857,9 @@
 
 define i32 @not_or_or_and_not_and_and_commute2_and(i32 %a, i32 %b, i32 %c) {
 ; CHECK-LABEL: @not_or_or_and_not_and_and_commute2_and(
-; CHECK-NEXT:    [[AND1:%.*]] = and i32 [[B:%.*]], [[C:%.*]]
-; CHECK-NEXT:    [[AND2:%.*]] = and i32 [[AND1]], [[A:%.*]]
-; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A]], -1
-; CHECK-NEXT:    [[OR1:%.*]] = or i32 [[NOT2]], [[B]]
-; CHECK-NEXT:    [[OR2:%.*]] = or i32 [[OR1]], [[C]]
-; CHECK-NEXT:    [[AND3:%.*]] = xor i32 [[AND2]], [[OR2]]
+; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A:%.*]], -1
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i32 [[C:%.*]], [[B:%.*]]
+; CHECK-NEXT:    [[AND3:%.*]] = or i32 [[TMP1]], [[NOT2]]
 ; CHECK-NEXT:    ret i32 [[AND3]]
 ;
   %and1 = and i32 %b, %c
@@ -2929,12 +2874,9 @@
 
 define i32 @not_or_or_and_not_and_and_commute1_or(i32 %a, i32 %b, i32 %c) {
 ; CHECK-LABEL: @not_or_or_and_not_and_and_commute1_or(
-; CHECK-NEXT:    [[AND1:%.*]] = and i32 [[B:%.*]], [[A:%.*]]
-; CHECK-NEXT:    [[AND2:%.*]] = and i32 [[AND1]], [[C:%.*]]
-; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A]], -1
-; CHECK-NEXT:    [[OR1:%.*]] = or i32 [[NOT2]], [[C]]
-; CHECK-NEXT:    [[OR2:%.*]] = or i32 [[OR1]], [[B]]
-; CHECK-NEXT:    [[AND3:%.*]] = xor i32 [[AND2]], [[OR2]]
+; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A:%.*]], -1
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i32 [[B:%.*]], [[C:%.*]]
+; CHECK-NEXT:    [[AND3:%.*]] = or i32 [[TMP1]], [[NOT2]]
 ; CHECK-NEXT:    ret i32 [[AND3]]
 ;
   %and1 = and i32 %b, %a
@@ -2949,12 +2891,9 @@
 
 define i32 @not_or_or_and_not_and_and_commute2_or(i32 %a, i32 %b, i32 %c) {
 ; CHECK-LABEL: @not_or_or_and_not_and_and_commute2_or(
-; CHECK-NEXT:    [[AND1:%.*]] = and i32 [[B:%.*]], [[A:%.*]]
-; CHECK-NEXT:    [[AND2:%.*]] = and i32 [[AND1]], [[C:%.*]]
-; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A]], -1
-; CHECK-NEXT:    [[OR1:%.*]] = or i32 [[B]], [[C]]
-; CHECK-NEXT:    [[OR2:%.*]] = or i32 [[OR1]], [[NOT2]]
-; CHECK-NEXT:    [[AND3:%.*]] = xor i32 [[AND2]], [[OR2]]
+; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A:%.*]], -1
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i32 [[B:%.*]], [[C:%.*]]
+; CHECK-NEXT:    [[AND3:%.*]] = or i32 [[TMP1]], [[NOT2]]
 ; CHECK-NEXT:    ret i32 [[AND3]]
 ;
   %and1 = and i32 %b, %a
@@ -2969,12 +2908,9 @@
 
 define i32 @not_or_or_and_not_and_and_commute1(i32 %a, i32 %b, i32 %c) {
 ; CHECK-LABEL: @not_or_or_and_not_and_and_commute1(
-; CHECK-NEXT:    [[AND1:%.*]] = and i32 [[A:%.*]], [[B:%.*]]
-; CHECK-NEXT:    [[AND2:%.*]] = and i32 [[AND1]], [[C:%.*]]
-; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A]], -1
-; CHECK-NEXT:    [[OR1:%.*]] = or i32 [[NOT2]], [[B]]
-; CHECK-NEXT:    [[OR2:%.*]] = or i32 [[OR1]], [[C]]
-; CHECK-NEXT:    [[AND3:%.*]] = xor i32 [[AND2]], [[OR2]]
+; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A:%.*]], -1
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i32 [[C:%.*]], [[B:%.*]]
+; CHECK-NEXT:    [[AND3:%.*]] = or i32 [[TMP1]], [[NOT2]]
 ; CHECK-NEXT:    ret i32 [[AND3]]
 ;
   %and1 = and i32 %a, %b
@@ -2990,12 +2926,9 @@
 define i32 @not_or_or_and_not_and_and_commute2(i32 %a, i32 %b, i32 %c0) {
 ; CHECK-LABEL: @not_or_or_and_not_and_and_commute2(
 ; CHECK-NEXT:    [[C:%.*]] = sdiv i32 42, [[C0:%.*]]
-; CHECK-NEXT:    [[AND1:%.*]] = and i32 [[B:%.*]], [[A:%.*]]
-; CHECK-NEXT:    [[AND2:%.*]] = and i32 [[C]], [[AND1]]
-; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A]], -1
-; CHECK-NEXT:    [[OR1:%.*]] = or i32 [[NOT2]], [[B]]
-; CHECK-NEXT:    [[OR2:%.*]] = or i32 [[OR1]], [[C]]
-; CHECK-NEXT:    [[AND3:%.*]] = xor i32 [[AND2]], [[OR2]]
+; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A:%.*]], -1
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i32 [[C]], [[B:%.*]]
+; CHECK-NEXT:    [[AND3:%.*]] = or i32 [[TMP1]], [[NOT2]]
 ; CHECK-NEXT:    ret i32 [[AND3]]
 ;
   %c = sdiv i32 42, %c0 ; thwart complexity-based canonicalization
@@ -3012,12 +2945,9 @@
 define i32 @not_or_or_and_not_and_and_commute3(i32 %a, i32 %b0, i32 %c) {
 ; CHECK-LABEL: @not_or_or_and_not_and_and_commute3(
 ; CHECK-NEXT:    [[B:%.*]] = sdiv i32 42, [[B0:%.*]]
-; CHECK-NEXT:    [[AND1:%.*]] = and i32 [[B]], [[A:%.*]]
-; CHECK-NEXT:    [[AND2:%.*]] = and i32 [[AND1]], [[C:%.*]]
-; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A]], -1
-; CHECK-NEXT:    [[OR1:%.*]] = or i32 [[B]], [[NOT2]]
-; CHECK-NEXT:    [[OR2:%.*]] = or i32 [[OR1]], [[C]]
-; CHECK-NEXT:    [[AND3:%.*]] = xor i32 [[AND2]], [[OR2]]
+; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A:%.*]], -1
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i32 [[B]], [[C:%.*]]
+; CHECK-NEXT:    [[AND3:%.*]] = or i32 [[TMP1]], [[NOT2]]
 ; CHECK-NEXT:    ret i32 [[AND3]]
 ;
   %b = sdiv i32 42, %b0 ; thwart complexity-based canonicalization
@@ -3034,12 +2964,9 @@
 define i32 @not_or_or_and_not_and_and_commute4(i32 %a, i32 %b, i32 %c0) {
 ; CHECK-LABEL: @not_or_or_and_not_and_and_commute4(
 ; CHECK-NEXT:    [[C:%.*]] = sdiv i32 42, [[C0:%.*]]
-; CHECK-NEXT:    [[AND1:%.*]] = and i32 [[B:%.*]], [[A:%.*]]
-; CHECK-NEXT:    [[AND2:%.*]] = and i32 [[AND1]], [[C]]
-; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A]], -1
-; CHECK-NEXT:    [[OR1:%.*]] = or i32 [[NOT2]], [[B]]
-; CHECK-NEXT:    [[OR2:%.*]] = or i32 [[C]], [[OR1]]
-; CHECK-NEXT:    [[AND3:%.*]] = xor i32 [[AND2]], [[OR2]]
+; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A:%.*]], -1
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i32 [[C]], [[B:%.*]]
+; CHECK-NEXT:    [[AND3:%.*]] = or i32 [[TMP1]], [[NOT2]]
 ; CHECK-NEXT:    ret i32 [[AND3]]
 ;
   %c = sdiv i32 42, %c0 ; thwart complexity-based canonicalization
@@ -3056,11 +2983,9 @@
 define i32 @not_or_or_and_not_and_and_use1(i32 %a, i32 %b, i32 %c) {
 ; CHECK-LABEL: @not_or_or_and_not_and_and_use1(
 ; CHECK-NEXT:    [[AND1:%.*]] = and i32 [[B:%.*]], [[A:%.*]]
-; CHECK-NEXT:    [[AND2:%.*]] = and i32 [[AND1]], [[C:%.*]]
 ; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A]], -1
-; CHECK-NEXT:    [[OR1:%.*]] = or i32 [[NOT2]], [[B]]
-; CHECK-NEXT:    [[OR2:%.*]] = or i32 [[OR1]], [[C]]
-; CHECK-NEXT:    [[AND3:%.*]] = xor i32 [[AND2]], [[OR2]]
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i32 [[C:%.*]], [[B]]
+; CHECK-NEXT:    [[AND3:%.*]] = or i32 [[TMP1]], [[NOT2]]
 ; CHECK-NEXT:    call void @use(i32 [[AND1]])
 ; CHECK-NEXT:    ret i32 [[AND3]]
 ;
@@ -3080,9 +3005,8 @@
 ; CHECK-NEXT:    [[AND1:%.*]] = and i32 [[B:%.*]], [[A:%.*]]
 ; CHECK-NEXT:    [[AND2:%.*]] = and i32 [[AND1]], [[C:%.*]]
 ; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A]], -1
-; CHECK-NEXT:    [[OR1:%.*]] = or i32 [[NOT2]], [[B]]
-; CHECK-NEXT:    [[OR2:%.*]] = or i32 [[OR1]], [[C]]
-; CHECK-NEXT:    [[AND3:%.*]] = xor i32 [[AND2]], [[OR2]]
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i32 [[C]], [[B]]
+; CHECK-NEXT:    [[AND3:%.*]] = or i32 [[TMP1]], [[NOT2]]
 ; CHECK-NEXT:    call void @use(i32 [[AND2]])
 ; CHECK-NEXT:    ret i32 [[AND3]]
 ;
@@ -3122,12 +3046,9 @@
 
 define i32 @not_or_or_and_not_and_and_use4(i32 %a, i32 %b, i32 %c) {
 ; CHECK-LABEL: @not_or_or_and_not_and_and_use4(
-; CHECK-NEXT:    [[AND1:%.*]] = and i32 [[B:%.*]], [[A:%.*]]
-; CHECK-NEXT:    [[AND2:%.*]] = and i32 [[AND1]], [[C:%.*]]
-; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A]], -1
-; CHECK-NEXT:    [[OR1:%.*]] = or i32 [[NOT2]], [[B]]
-; CHECK-NEXT:    [[OR2:%.*]] = or i32 [[OR1]], [[C]]
-; CHECK-NEXT:    [[AND3:%.*]] = xor i32 [[AND2]], [[OR2]]
+; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A:%.*]], -1
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i32 [[C:%.*]], [[B:%.*]]
+; CHECK-NEXT:    [[AND3:%.*]] = or i32 [[TMP1]], [[NOT2]]
 ; CHECK-NEXT:    call void @use(i32 [[NOT2]])
 ; CHECK-NEXT:    ret i32 [[AND3]]
 ;
@@ -3144,12 +3065,10 @@
 
 define i32 @not_or_or_and_not_and_and_use5(i32 %a, i32 %b, i32 %c) {
 ; CHECK-LABEL: @not_or_or_and_not_and_and_use5(
-; CHECK-NEXT:    [[AND1:%.*]] = and i32 [[B:%.*]], [[A:%.*]]
-; CHECK-NEXT:    [[AND2:%.*]] = and i32 [[AND1]], [[C:%.*]]
-; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A]], -1
-; CHECK-NEXT:    [[OR1:%.*]] = or i32 [[NOT2]], [[B]]
-; CHECK-NEXT:    [[OR2:%.*]] = or i32 [[OR1]], [[C]]
-; CHECK-NEXT:    [[AND3:%.*]] = xor i32 [[AND2]], [[OR2]]
+; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[A:%.*]], -1
+; CHECK-NEXT:    [[OR1:%.*]] = or i32 [[NOT2]], [[B:%.*]]
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i32 [[C:%.*]], [[B]]
+; CHECK-NEXT:    [[AND3:%.*]] = or i32 [[TMP1]], [[NOT2]]
 ; CHECK-NEXT:    call void @use(i32 [[OR1]])
 ; CHECK-NEXT:    ret i32 [[AND3]]
 ;