1 ; RUN: opt < %s -instcombine -S | grep xor | count 4
2 ; RUN: opt < %s -instcombine -S | not grep and
3 ; RUN: opt < %s -instcombine -S | not grep { or}
7 ; These are all equivelent to A^B
9 define i32 @test1(i32 %a, i32 %b) {
11 %tmp3 = or i32 %b, %a ; <i32> [#uses=1]
12 %tmp3not = xor i32 %tmp3, -1 ; <i32> [#uses=1]
13 %tmp6 = and i32 %b, %a ; <i32> [#uses=1]
14 %tmp7 = or i32 %tmp6, %tmp3not ; <i32> [#uses=1]
15 %tmp7not = xor i32 %tmp7, -1 ; <i32> [#uses=1]
19 define i32 @test2(i32 %a, i32 %b) {
21 %tmp3 = or i32 %b, %a ; <i32> [#uses=1]
22 %tmp6 = and i32 %b, %a ; <i32> [#uses=1]
23 %tmp6not = xor i32 %tmp6, -1 ; <i32> [#uses=1]
24 %tmp7 = and i32 %tmp3, %tmp6not ; <i32> [#uses=1]
28 define <4 x i32> @test3(<4 x i32> %a, <4 x i32> %b) {
30 %tmp3 = or <4 x i32> %a, %b ; <<4 x i32>> [#uses=1]
31 %tmp3not = xor <4 x i32> %tmp3, < i32 -1, i32 -1, i32 -1, i32 -1 > ; <<4 x i32>> [#uses=1]
32 %tmp6 = and <4 x i32> %a, %b ; <<4 x i32>> [#uses=1]
33 %tmp7 = or <4 x i32> %tmp6, %tmp3not ; <<4 x i32>> [#uses=1]
34 %tmp7not = xor <4 x i32> %tmp7, < i32 -1, i32 -1, i32 -1, i32 -1 > ; <<4 x i32>> [#uses=1]
35 ret <4 x i32> %tmp7not
38 define <4 x i32> @test4(<4 x i32> %a, <4 x i32> %b) {
40 %tmp3 = or <4 x i32> %a, %b ; <<4 x i32>> [#uses=1]
41 %tmp6 = and <4 x i32> %a, %b ; <<4 x i32>> [#uses=1]
42 %tmp6not = xor <4 x i32> %tmp6, < i32 -1, i32 -1, i32 -1, i32 -1 > ; <<4 x i32>> [#uses=1]
43 %tmp7 = and <4 x i32> %tmp3, %tmp6not ; <<4 x i32>> [#uses=1]