2003-07-23 21:10:55 +00:00
|
|
|
; This test makes sure that these instructions are properly eliminated.
|
|
|
|
;
|
2009-09-11 18:01:28 +00:00
|
|
|
; RUN: opt < %s -instcombine -S | \
|
2012-07-02 19:09:46 +00:00
|
|
|
; RUN: not grep "xor "
|
2008-03-09 08:16:40 +00:00
|
|
|
; END.
|
2008-03-01 09:15:35 +00:00
|
|
|
@G1 = global i32 0 ; <i32*> [#uses=1]
|
|
|
|
@G2 = global i32 0 ; <i32*> [#uses=1]
|
2003-07-23 21:10:55 +00:00
|
|
|
|
2008-03-01 09:15:35 +00:00
|
|
|
define i1 @test0(i1 %A) {
|
|
|
|
%B = xor i1 %A, false ; <i1> [#uses=1]
|
|
|
|
ret i1 %B
|
|
|
|
}
|
2003-07-23 21:10:55 +00:00
|
|
|
|
2008-03-01 09:15:35 +00:00
|
|
|
define i32 @test1(i32 %A) {
|
|
|
|
%B = xor i32 %A, 0 ; <i32> [#uses=1]
|
|
|
|
ret i32 %B
|
2003-07-23 21:10:55 +00:00
|
|
|
}
|
|
|
|
|
2008-03-01 09:15:35 +00:00
|
|
|
define i1 @test2(i1 %A) {
|
|
|
|
%B = xor i1 %A, %A ; <i1> [#uses=1]
|
|
|
|
ret i1 %B
|
2003-07-23 21:10:55 +00:00
|
|
|
}
|
|
|
|
|
2008-03-01 09:15:35 +00:00
|
|
|
define i32 @test3(i32 %A) {
|
|
|
|
%B = xor i32 %A, %A ; <i32> [#uses=1]
|
|
|
|
ret i32 %B
|
2003-07-23 21:10:55 +00:00
|
|
|
}
|
|
|
|
|
2008-03-01 09:15:35 +00:00
|
|
|
define i32 @test4(i32 %A) {
|
|
|
|
%NotA = xor i32 -1, %A ; <i32> [#uses=1]
|
|
|
|
%B = xor i32 %A, %NotA ; <i32> [#uses=1]
|
|
|
|
ret i32 %B
|
2003-07-23 21:10:55 +00:00
|
|
|
}
|
|
|
|
|
2008-03-01 09:15:35 +00:00
|
|
|
define i32 @test5(i32 %A) {
|
|
|
|
%t1 = or i32 %A, 123 ; <i32> [#uses=1]
|
|
|
|
%r = xor i32 %t1, 123 ; <i32> [#uses=1]
|
|
|
|
ret i32 %r
|
2003-07-23 21:10:55 +00:00
|
|
|
}
|
|
|
|
|
2008-03-01 09:15:35 +00:00
|
|
|
define i8 @test6(i8 %A) {
|
|
|
|
%B = xor i8 %A, 17 ; <i8> [#uses=1]
|
|
|
|
%C = xor i8 %B, 17 ; <i8> [#uses=1]
|
|
|
|
ret i8 %C
|
2003-07-23 21:10:55 +00:00
|
|
|
}
|
|
|
|
|
2008-03-01 09:15:35 +00:00
|
|
|
define i32 @test7(i32 %A, i32 %B) {
|
|
|
|
%A1 = and i32 %A, 7 ; <i32> [#uses=1]
|
|
|
|
%B1 = and i32 %B, 128 ; <i32> [#uses=1]
|
|
|
|
%C1 = xor i32 %A1, %B1 ; <i32> [#uses=1]
|
|
|
|
ret i32 %C1
|
2003-07-23 21:10:55 +00:00
|
|
|
}
|
|
|
|
|
2008-03-01 09:15:35 +00:00
|
|
|
define i8 @test8(i1 %c) {
|
|
|
|
%d = xor i1 %c, true ; <i1> [#uses=1]
|
|
|
|
br i1 %d, label %True, label %False
|
2003-07-23 21:11:56 +00:00
|
|
|
|
2008-03-01 09:15:35 +00:00
|
|
|
True: ; preds = %0
|
|
|
|
ret i8 1
|
2003-07-23 21:10:55 +00:00
|
|
|
|
2008-03-01 09:15:35 +00:00
|
|
|
False: ; preds = %0
|
|
|
|
ret i8 3
|
2003-07-23 21:10:55 +00:00
|
|
|
}
|
|
|
|
|
2008-03-01 09:15:35 +00:00
|
|
|
define i1 @test9(i8 %A) {
|
|
|
|
%B = xor i8 %A, 123 ; <i8> [#uses=1]
|
|
|
|
%C = icmp eq i8 %B, 34 ; <i1> [#uses=1]
|
|
|
|
ret i1 %C
|
2003-07-23 21:10:55 +00:00
|
|
|
}
|
2003-07-23 21:36:01 +00:00
|
|
|
|
2008-03-01 09:15:35 +00:00
|
|
|
define i8 @test10(i8 %A) {
|
|
|
|
%B = and i8 %A, 3 ; <i8> [#uses=1]
|
|
|
|
%C = xor i8 %B, 4 ; <i8> [#uses=1]
|
|
|
|
ret i8 %C
|
2003-07-23 21:36:01 +00:00
|
|
|
}
|
|
|
|
|
2008-03-01 09:15:35 +00:00
|
|
|
define i8 @test11(i8 %A) {
|
|
|
|
%B = or i8 %A, 12 ; <i8> [#uses=1]
|
|
|
|
%C = xor i8 %B, 4 ; <i8> [#uses=1]
|
|
|
|
ret i8 %C
|
2003-07-23 21:36:01 +00:00
|
|
|
}
|
2003-08-13 05:27:57 +00:00
|
|
|
|
2008-03-01 09:15:35 +00:00
|
|
|
define i1 @test12(i8 %A) {
|
|
|
|
%B = xor i8 %A, 4 ; <i8> [#uses=1]
|
|
|
|
%c = icmp ne i8 %B, 0 ; <i1> [#uses=1]
|
|
|
|
ret i1 %c
|
2003-08-13 05:27:57 +00:00
|
|
|
}
|
2003-08-13 20:13:15 +00:00
|
|
|
|
2008-03-01 09:15:35 +00:00
|
|
|
define i1 @test13(i8 %A, i8 %B) {
|
|
|
|
%C = icmp ult i8 %A, %B ; <i1> [#uses=1]
|
|
|
|
%D = icmp ugt i8 %A, %B ; <i1> [#uses=1]
|
|
|
|
%E = xor i1 %C, %D ; <i1> [#uses=1]
|
|
|
|
ret i1 %E
|
2003-08-13 20:13:15 +00:00
|
|
|
}
|
|
|
|
|
2008-03-01 09:15:35 +00:00
|
|
|
define i1 @test14(i8 %A, i8 %B) {
|
|
|
|
%C = icmp eq i8 %A, %B ; <i1> [#uses=1]
|
|
|
|
%D = icmp ne i8 %B, %A ; <i1> [#uses=1]
|
|
|
|
%E = xor i1 %C, %D ; <i1> [#uses=1]
|
|
|
|
ret i1 %E
|
2003-08-13 20:13:15 +00:00
|
|
|
}
|
2003-11-04 23:21:22 +00:00
|
|
|
|
2008-03-01 09:15:35 +00:00
|
|
|
define i32 @test15(i32 %A) {
|
|
|
|
%B = add i32 %A, -1 ; <i32> [#uses=1]
|
|
|
|
%C = xor i32 %B, -1 ; <i32> [#uses=1]
|
|
|
|
ret i32 %C
|
2003-11-04 23:21:22 +00:00
|
|
|
}
|
2003-11-04 23:36:50 +00:00
|
|
|
|
2008-03-01 09:15:35 +00:00
|
|
|
define i32 @test16(i32 %A) {
|
|
|
|
%B = add i32 %A, 123 ; <i32> [#uses=1]
|
|
|
|
%C = xor i32 %B, -1 ; <i32> [#uses=1]
|
|
|
|
ret i32 %C
|
2003-11-04 23:36:50 +00:00
|
|
|
}
|
2003-11-04 23:49:53 +00:00
|
|
|
|
2008-03-01 09:15:35 +00:00
|
|
|
define i32 @test17(i32 %A) {
|
|
|
|
%B = sub i32 123, %A ; <i32> [#uses=1]
|
|
|
|
%C = xor i32 %B, -1 ; <i32> [#uses=1]
|
|
|
|
ret i32 %C
|
2003-11-04 23:49:53 +00:00
|
|
|
}
|
2003-11-05 01:05:22 +00:00
|
|
|
|
2008-03-01 09:15:35 +00:00
|
|
|
define i32 @test18(i32 %A) {
|
|
|
|
%B = xor i32 %A, -1 ; <i32> [#uses=1]
|
|
|
|
%C = sub i32 123, %B ; <i32> [#uses=1]
|
|
|
|
ret i32 %C
|
2003-11-05 01:05:22 +00:00
|
|
|
}
|
2004-02-16 01:19:52 +00:00
|
|
|
|
2008-03-01 09:15:35 +00:00
|
|
|
define i32 @test19(i32 %A, i32 %B) {
|
|
|
|
%C = xor i32 %A, %B ; <i32> [#uses=1]
|
|
|
|
%D = xor i32 %C, %A ; <i32> [#uses=1]
|
|
|
|
ret i32 %D
|
2004-02-16 01:19:52 +00:00
|
|
|
}
|
2004-02-16 03:53:44 +00:00
|
|
|
|
2008-03-01 09:15:35 +00:00
|
|
|
define void @test20(i32 %A, i32 %B) {
|
|
|
|
%tmp.2 = xor i32 %B, %A ; <i32> [#uses=2]
|
|
|
|
%tmp.5 = xor i32 %tmp.2, %B ; <i32> [#uses=2]
|
|
|
|
%tmp.8 = xor i32 %tmp.5, %tmp.2 ; <i32> [#uses=1]
|
|
|
|
store i32 %tmp.8, i32* @G1
|
|
|
|
store i32 %tmp.5, i32* @G2
|
|
|
|
ret void
|
2004-02-16 03:53:44 +00:00
|
|
|
}
|
|
|
|
|
2008-03-01 09:15:35 +00:00
|
|
|
define i32 @test21(i1 %C, i32 %A, i32 %B) {
|
|
|
|
%C2 = xor i1 %C, true ; <i1> [#uses=1]
|
|
|
|
%D = select i1 %C2, i32 %A, i32 %B ; <i32> [#uses=1]
|
|
|
|
ret i32 %D
|
2005-04-24 07:28:53 +00:00
|
|
|
}
|
2005-05-06 04:11:32 +00:00
|
|
|
|
2008-03-01 09:15:35 +00:00
|
|
|
define i32 @test22(i1 %X) {
|
|
|
|
%Y = xor i1 %X, true ; <i1> [#uses=1]
|
|
|
|
%Z = zext i1 %Y to i32 ; <i32> [#uses=1]
|
|
|
|
%Q = xor i32 %Z, 1 ; <i32> [#uses=1]
|
|
|
|
ret i32 %Q
|
2005-05-06 04:11:32 +00:00
|
|
|
}
|
|
|
|
|
2008-03-01 09:15:35 +00:00
|
|
|
define i1 @test23(i32 %a, i32 %b) {
|
|
|
|
%tmp.2 = xor i32 %b, %a ; <i32> [#uses=1]
|
|
|
|
%tmp.4 = icmp eq i32 %tmp.2, %a ; <i1> [#uses=1]
|
|
|
|
ret i1 %tmp.4
|
2006-02-27 01:43:02 +00:00
|
|
|
}
|
|
|
|
|
2008-03-01 09:15:35 +00:00
|
|
|
define i1 @test24(i32 %c, i32 %d) {
|
|
|
|
%tmp.2 = xor i32 %d, %c ; <i32> [#uses=1]
|
|
|
|
%tmp.4 = icmp ne i32 %tmp.2, %c ; <i1> [#uses=1]
|
|
|
|
ret i1 %tmp.4
|
2006-02-27 01:43:02 +00:00
|
|
|
}
|
2006-04-01 08:02:51 +00:00
|
|
|
|
2008-03-01 09:15:35 +00:00
|
|
|
define i32 @test25(i32 %g, i32 %h) {
|
|
|
|
%h2 = xor i32 %h, -1 ; <i32> [#uses=1]
|
|
|
|
%tmp2 = and i32 %h2, %g ; <i32> [#uses=1]
|
|
|
|
%tmp4 = xor i32 %tmp2, %g ; <i32> [#uses=1]
|
|
|
|
ret i32 %tmp4
|
2006-04-01 08:02:51 +00:00
|
|
|
}
|
|
|
|
|
2008-03-01 09:15:35 +00:00
|
|
|
define i32 @test26(i32 %a, i32 %b) {
|
|
|
|
%b2 = xor i32 %b, -1 ; <i32> [#uses=1]
|
|
|
|
%tmp2 = xor i32 %a, %b2 ; <i32> [#uses=1]
|
|
|
|
%tmp4 = and i32 %tmp2, %a ; <i32> [#uses=1]
|
|
|
|
ret i32 %tmp4
|
2006-04-01 08:02:51 +00:00
|
|
|
}
|
|
|
|
|
2008-03-01 09:15:35 +00:00
|
|
|
define i32 @test27(i32 %b, i32 %c, i32 %d) {
|
|
|
|
%tmp2 = xor i32 %d, %b ; <i32> [#uses=1]
|
|
|
|
%tmp5 = xor i32 %d, %c ; <i32> [#uses=1]
|
|
|
|
%tmp = icmp eq i32 %tmp2, %tmp5 ; <i1> [#uses=1]
|
|
|
|
%tmp6 = zext i1 %tmp to i32 ; <i32> [#uses=1]
|
|
|
|
ret i32 %tmp6
|
2007-01-05 03:03:51 +00:00
|
|
|
}
|
|
|
|
|
2008-03-01 09:15:35 +00:00
|
|
|
define i32 @test28(i32 %indvar) {
|
|
|
|
%tmp7 = add i32 %indvar, -2147483647 ; <i32> [#uses=1]
|
|
|
|
%tmp214 = xor i32 %tmp7, -2147483648 ; <i32> [#uses=1]
|
|
|
|
ret i32 %tmp214
|
2007-04-02 05:35:08 +00:00
|
|
|
}
|