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
+}