Instruction *Ret = FoldOrWithConstants(I, Op0, A, V1, D);
if (Ret) return Ret;
}
-
- // (A & ~D) | (B & D) -> ((B ^ A) & D) ^ A
- if (Op0->hasOneUse() && Op1->hasOneUse() &&
- match(C, m_Not(m_Specific(D)))) {
- Value *Xor = Builder->CreateXor(B, A, "xor");
- Value *And = Builder->CreateAnd(Xor, D, "and");
- return BinaryOperator::CreateXor(And, A);
- }
}
// (X >> Z) | (Y >> Z) -> (X|Y) >> Z for all shifts.
; CHECK: or <4 x i32> %and.i, %and.i129
}
-; PR6773
-define i32 @test33(i32 %x, i32 %y, i32 %z) nounwind readnone {
- %and = and i32 %y, %x
- %not = xor i32 %x, -1
- %and2 = and i32 %z, %not
- %or = or i32 %and2, %and
- ret i32 %or
-; CHECK: @test33
-; CHECK-NEXT: xor i32
-; CHECK-NEXT: and i32
-; CHECK-NEXT: xor i32
-; CHECK-NEXT: ret i32
-}