Commit 3c59cdee authored by Stanislav Mekhanoshin's avatar Stanislav Mekhanoshin
Browse files

Precommit updated InstCombine/and-xor-or.ll test. NFC.

parent 8977bd58

llvm/test/Transforms/InstCombine/and-xor-or.ll

+26 −6
Original line number Diff line number Diff line
@@ -555,16 +555,14 @@ define <4 x i64> @not_and_and_not_4i64(<4 x i64> %a0, <4 x i64> %b, <4 x i64> %c 


; (~b & a) & ~c --> a & ~(b | c)



define i32 @not_and_and_not_commute1(i32 %a0, i32 %b, i32 %c) {

define i32 @not_and_and_not_commute1(i32 %a, i32 %b, i32 %c) {

; CHECK-LABEL: @not_and_and_not_commute1(

; CHECK-NEXT:    [[A:%.*]] = sdiv i32 42, [[A0:%.*]]

; CHECK-NEXT:    [[NOT1:%.*]] = xor i32 [[B:%.*]], -1

; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[C:%.*]], -1

; CHECK-NEXT:    [[AND1:%.*]] = and i32 [[A]], [[NOT1]]

; CHECK-NEXT:    [[AND1:%.*]] = and i32 [[NOT1]], [[A:%.*]]

; CHECK-NEXT:    [[AND2:%.*]] = and i32 [[AND1]], [[NOT2]]

; CHECK-NEXT:    ret i32 [[AND2]]

;

  %a = sdiv i32 42, %a0 ; thwart complexity-based canonicalization

  %not1 = xor i32 %b, -1

  %not2 = xor i32 %c, -1

  %and1 = and i32 %not1, %a
@@ -574,13 +572,15 @@ define i32 @not_and_and_not_commute1(i32 %a0, i32 %b, i32 %c) { 


; ~c & (a & ~b) --> a & ~(b | c)



define i32 @not_and_and_not_commute2(i32 %a0, i32 %b, i32 %c) {

; CHECK-LABEL: @not_and_and_not_commute2(

declare void @use(i32)

define i32 @not_and_and_not_commute2_extra_not_use(i32 %a0, i32 %b, i32 %c) {

; CHECK-LABEL: @not_and_and_not_commute2_extra_not_use(

; CHECK-NEXT:    [[A:%.*]] = sdiv i32 42, [[A0:%.*]]

; CHECK-NEXT:    [[NOT1:%.*]] = xor i32 [[B:%.*]], -1

; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[C:%.*]], -1

; CHECK-NEXT:    [[AND1:%.*]] = and i32 [[A]], [[NOT1]]

; CHECK-NEXT:    [[AND2:%.*]] = and i32 [[AND1]], [[NOT2]]

; CHECK-NEXT:    call void @use(i32 [[NOT2]])

; CHECK-NEXT:    ret i32 [[AND2]]

;

  %a = sdiv i32 42, %a0 ; thwart complexity-based canonicalization
@@ -588,5 +588,25 @@ define i32 @not_and_and_not_commute2(i32 %a0, i32 %b, i32 %c) { 
  %not2 = xor i32 %c, -1

  %and1 = and i32 %a, %not1

  %and2 = and i32 %not2, %and1

  call void @use(i32 %not2)

  ret i32 %and2

}



define i32 @not_and_and_not_extra_and1_use(i32 %a0, i32 %b, i32 %c) {

; CHECK-LABEL: @not_and_and_not_extra_and1_use(

; CHECK-NEXT:    [[A:%.*]] = sdiv i32 42, [[A0:%.*]]

; CHECK-NEXT:    [[NOT1:%.*]] = xor i32 [[B:%.*]], -1

; CHECK-NEXT:    [[NOT2:%.*]] = xor i32 [[C:%.*]], -1

; CHECK-NEXT:    [[AND1:%.*]] = and i32 [[A]], [[NOT1]]

; CHECK-NEXT:    [[AND2:%.*]] = and i32 [[AND1]], [[NOT2]]

; CHECK-NEXT:    call void @use(i32 [[AND1]])

; CHECK-NEXT:    ret i32 [[AND2]]

;

  %a = sdiv i32 42, %a0 ; thwart complexity-based canonicalization

  %not1 = xor i32 %b, -1

  %not2 = xor i32 %c, -1

  %and1 = and i32 %a, %not1

  %and2 = and i32 %and1, %not2

  call void @use(i32 %and1)

  ret i32 %and2

}