2009-09-08 18:50:01 +02:00
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; RUN: opt %s -instcombine | llvm-dis | \
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2007-04-14 22:13:02 +02:00
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; RUN: not grep {(and\|xor\|add\|shl\|shr)}
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2008-03-09 09:16:40 +01:00
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; END.
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2005-09-25 01:42:18 +02:00
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2008-03-01 10:15:35 +01:00
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define i32 @test1(i32 %x) {
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%tmp.1 = and i32 %x, 65535 ; <i32> [#uses=1]
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%tmp.2 = xor i32 %tmp.1, -32768 ; <i32> [#uses=1]
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%tmp.3 = add i32 %tmp.2, 32768 ; <i32> [#uses=1]
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ret i32 %tmp.3
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2005-09-25 01:42:18 +02:00
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}
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2008-03-01 10:15:35 +01:00
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define i32 @test2(i32 %x) {
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%tmp.1 = and i32 %x, 65535 ; <i32> [#uses=1]
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%tmp.2 = xor i32 %tmp.1, 32768 ; <i32> [#uses=1]
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%tmp.3 = add i32 %tmp.2, -32768 ; <i32> [#uses=1]
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ret i32 %tmp.3
|
2005-09-25 01:42:18 +02:00
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|
}
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|
2008-03-01 10:15:35 +01:00
|
|
|
define i32 @test3(i16 %P) {
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|
%tmp.1 = zext i16 %P to i32 ; <i32> [#uses=1]
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%tmp.4 = xor i32 %tmp.1, 32768 ; <i32> [#uses=1]
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%tmp.5 = add i32 %tmp.4, -32768 ; <i32> [#uses=1]
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|
ret i32 %tmp.5
|
2005-09-25 01:42:18 +02:00
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|
}
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|
2008-03-01 10:15:35 +01:00
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|
|
define i32 @test4(i16 %P) {
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|
%tmp.1 = zext i16 %P to i32 ; <i32> [#uses=1]
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%tmp.4 = xor i32 %tmp.1, 32768 ; <i32> [#uses=1]
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|
|
%tmp.5 = add i32 %tmp.4, -32768 ; <i32> [#uses=1]
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|
|
ret i32 %tmp.5
|
2005-09-25 01:42:18 +02:00
|
|
|
}
|
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|
2008-03-01 10:15:35 +01:00
|
|
|
define i32 @test5(i32 %x) {
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|
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|
%tmp.1 = and i32 %x, 254 ; <i32> [#uses=1]
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|
%tmp.2 = xor i32 %tmp.1, 128 ; <i32> [#uses=1]
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|
%tmp.3 = add i32 %tmp.2, -128 ; <i32> [#uses=1]
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|
|
|
ret i32 %tmp.3
|
2005-09-25 01:42:18 +02:00
|
|
|
}
|
|
|
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|
2008-03-01 10:15:35 +01:00
|
|
|
define i32 @test6(i32 %x) {
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|
|
|
%tmp.2 = shl i32 %x, 16 ; <i32> [#uses=1]
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|
|
|
%tmp.4 = ashr i32 %tmp.2, 16 ; <i32> [#uses=1]
|
|
|
|
ret i32 %tmp.4
|
2005-09-25 01:42:18 +02:00
|
|
|
}
|
2008-03-01 10:15:35 +01:00
|
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