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; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {and i32 %y, %x} | count 2
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {and i32 %x, %y} | count 2
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep {xor}
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep {or}
define i32 @func1(i32 %x, i32 %y) nounwind {
entry:
%n = xor i32 %y, -1
%o = or i32 %n, %x
%a = and i32 %o, %y
ret i32 %a
}
define i32 @func2(i32 %x, i32 %y) nounwind {
entry:
%n = xor i32 %y, -1
%o = or i32 %x, %n
%a = and i32 %o, %y
ret i32 %a
}
define i32 @func3(i32 %x, i32 %y) nounwind {
entry:
%n = xor i32 %y, -1
%o = or i32 %n, %x
%a = and i32 %y, %o
ret i32 %a
}
define i32 @func4(i32 %x, i32 %y) nounwind {
entry:
%n = xor i32 %y, -1
%o = or i32 %x, %n
%a = and i32 %y, %o
ret i32 %a
}
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