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35 lines
630 B
35 lines
630 B
4 months ago
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; RUN: opt < %s -instcombine -S | grep "and i32 %x, %y" | count 4
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; RUN: opt < %s -instcombine -S | not grep "or"
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define i32 @func1(i32 %x, i32 %y) nounwind {
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entry:
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%n = xor i32 %y, -1
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%o = or i32 %n, %x
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%a = and i32 %o, %y
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ret i32 %a
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}
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define i32 @func2(i32 %x, i32 %y) nounwind {
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entry:
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%n = xor i32 %y, -1
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%o = or i32 %x, %n
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%a = and i32 %o, %y
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ret i32 %a
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}
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define i32 @func3(i32 %x, i32 %y) nounwind {
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entry:
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%n = xor i32 %y, -1
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%o = or i32 %n, %x
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%a = and i32 %y, %o
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ret i32 %a
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}
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define i32 @func4(i32 %x, i32 %y) nounwind {
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entry:
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%n = xor i32 %y, -1
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%o = or i32 %x, %n
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%a = and i32 %y, %o
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ret i32 %a
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}
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