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20 lines
494 B
LLVM
20 lines
494 B
LLVM
; RUN: opt < %s -instcombine -S | grep and | count 1
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; RUN: opt < %s -instcombine -S | grep xor | count 2
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; (x&z) ^ (y&z) -> (x^y)&z
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define i32 @test1(i32 %x, i32 %y, i32 %z) {
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%tmp3 = and i32 %z, %x
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%tmp6 = and i32 %z, %y
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%tmp7 = xor i32 %tmp3, %tmp6
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ret i32 %tmp7
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}
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; (x & y) ^ (x|y) -> x^y
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define i32 @test2(i32 %x, i32 %y, i32 %z) {
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%tmp3 = and i32 %y, %x
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%tmp6 = or i32 %y, %x
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%tmp7 = xor i32 %tmp3, %tmp6
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ret i32 %tmp7
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}
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