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[Tests] Added tests for new instcombine or simplification; NFC

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Dávid Bolvanský 2021-01-16 15:04:54 +01:00
parent 6207a8299f
commit f70dd13a1b
1 changed files with 109 additions and 0 deletions
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109
test/Transforms/InstCombine/or.ll
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@ -1370,3 +1370,112 @@ define i32 @test5_use3(i32 %x, i32 %y) {
ret i32 %or1
}
define i32 @test6(i32 %A, i32 %B) {
; CHECK-LABEL: @test6(
; CHECK-NEXT: [[I:%.*]] = xor i32 [[B:%.*]], -1
; CHECK-NEXT: [[I2:%.*]] = and i32 [[I]], [[A:%.*]]
; CHECK-NEXT: [[I3:%.*]] = or i32 [[B]], [[A]]
; CHECK-NEXT: [[I4:%.*]] = xor i32 [[I3]], -1
; CHECK-NEXT: [[I5:%.*]] = or i32 [[I2]], [[I4]]
; CHECK-NEXT: ret i32 [[I5]]
;
%i = xor i32 %B, -1
%i2 = and i32 %i, %A
%i3 = or i32 %B, %A
%i4 = xor i32 %i3, -1
%i5 = or i32 %i2, %i4
ret i32 %i5
}
define i32 @test7(i32 %A, i32 %B) {
; CHECK-LABEL: @test7(
; CHECK-NEXT: [[I:%.*]] = xor i32 [[A:%.*]], -1
; CHECK-NEXT: [[I2:%.*]] = and i32 [[I]], [[B:%.*]]
; CHECK-NEXT: [[I3:%.*]] = or i32 [[B]], [[A]]
; CHECK-NEXT: [[I4:%.*]] = xor i32 [[I3]], -1
; CHECK-NEXT: [[I5:%.*]] = or i32 [[I2]], [[I4]]
; CHECK-NEXT: ret i32 [[I5]]
;
%i = xor i32 %A, -1
%i2 = and i32 %i, %B
%i3 = or i32 %B, %A
%i4 = xor i32 %i3, -1
%i5 = or i32 %i2, %i4
ret i32 %i5
}
define <4 x i32> @test8_vec(<4 x i32> %A, <4 x i32> %B) {
; CHECK-LABEL: @test8_vec(
; CHECK-NEXT: [[I:%.*]] = xor <4 x i32> [[A:%.*]], <i32 -1, i32 -1, i32 -1, i32 -1>
; CHECK-NEXT: [[I2:%.*]] = and <4 x i32> [[I]], [[B:%.*]]
; CHECK-NEXT: [[I3:%.*]] = or <4 x i32> [[B]], [[A]]
; CHECK-NEXT: [[I4:%.*]] = xor <4 x i32> [[I3]], <i32 -1, i32 -1, i32 -1, i32 -1>
; CHECK-NEXT: [[I5:%.*]] = or <4 x i32> [[I2]], [[I4]]
; CHECK-NEXT: ret <4 x i32> [[I5]]
;
%i = xor <4 x i32> %A, <i32 -1, i32 -1, i32 -1, i32 -1>
%i2 = and <4 x i32> %i, %B
%i3 = or <4 x i32> %B, %A
%i4 = xor <4 x i32> %i3, <i32 -1, i32 -1, i32 -1, i32 -1>
%i5 = or <4 x i32> %i2, %i4
ret <4 x i32> %i5
}
define i32 @test9_use(i32 %A, i32 %B) {
; CHECK-LABEL: @test9_use(
; CHECK-NEXT: [[I:%.*]] = xor i32 [[A:%.*]], -1
; CHECK-NEXT: [[I2:%.*]] = and i32 [[I]], [[B:%.*]]
; CHECK-NEXT: tail call void @use(i32 [[I2]])
; CHECK-NEXT: [[I3:%.*]] = or i32 [[B]], [[A]]
; CHECK-NEXT: [[I4:%.*]] = xor i32 [[I3]], -1
; CHECK-NEXT: [[I5:%.*]] = or i32 [[I2]], [[I4]]
; CHECK-NEXT: ret i32 [[I5]]
;
%i = xor i32 %A, -1
%i2 = and i32 %i, %B
tail call void @use(i32 %i2)
%i3 = or i32 %B, %A
%i4 = xor i32 %i3, -1
%i5 = or i32 %i2, %i4
ret i32 %i5
}
define i32 @test9_use2(i32 %A, i32 %B) {
; CHECK-LABEL: @test9_use2(
; CHECK-NEXT: [[I:%.*]] = or i32 [[B:%.*]], [[A:%.*]]
; CHECK-NEXT: [[I2:%.*]] = xor i32 [[I]], -1
; CHECK-NEXT: tail call void @use(i32 [[I2]])
; CHECK-NEXT: [[I3:%.*]] = xor i32 [[A]], -1
; CHECK-NEXT: [[I4:%.*]] = and i32 [[I3]], [[B]]
; CHECK-NEXT: [[I5:%.*]] = or i32 [[I4]], [[I2]]
; CHECK-NEXT: ret i32 [[I5]]
;
%i = or i32 %B, %A
%i2 = xor i32 %i, -1
tail call void @use(i32 %i2)
%i3 = xor i32 %A, -1
%i4 = and i32 %i3, %B
%i5 = or i32 %i4, %i2
ret i32 %i5
}
define i32 @test9_use3(i32 %A, i32 %B) {
; CHECK-LABEL: @test9_use3(
; CHECK-NEXT: [[I:%.*]] = or i32 [[B:%.*]], [[A:%.*]]
; CHECK-NEXT: [[I2:%.*]] = xor i32 [[I]], -1
; CHECK-NEXT: tail call void @use(i32 [[I2]])
; CHECK-NEXT: [[I3:%.*]] = xor i32 [[A]], -1
; CHECK-NEXT: [[I4:%.*]] = and i32 [[I3]], [[B]]
; CHECK-NEXT: tail call void @use(i32 [[I4]])
; CHECK-NEXT: [[I5:%.*]] = or i32 [[I4]], [[I2]]
; CHECK-NEXT: ret i32 [[I5]]
;
%i = or i32 %B, %A
%i2 = xor i32 %i, -1
tail call void @use(i32 %i2)
%i3 = xor i32 %A, -1
%i4 = and i32 %i3, %B
tail call void @use(i32 %i4)
%i5 = or i32 %i4, %i2
ret i32 %i5
}