forked from OSchip/llvm-project
28 lines
957 B
LLVM
28 lines
957 B
LLVM
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; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep xor | wc -l | grep 2
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; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep and
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; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep { or}
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; PR1510
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; These are all equivelent to A^B
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define i32 @test1(i32 %a, i32 %b) {
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entry:
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%tmp3 = or i32 %b, %a ; <i32> [#uses=1]
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%tmp3not = xor i32 %tmp3, -1 ; <i32> [#uses=1]
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%tmp6 = and i32 %b, %a ; <i32> [#uses=1]
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%tmp7 = or i32 %tmp6, %tmp3not ; <i32> [#uses=1]
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%tmp7not = xor i32 %tmp7, -1 ; <i32> [#uses=1]
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ret i32 %tmp7not
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}
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define i32 @test2(i32 %a, i32 %b) {
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entry:
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%tmp3 = or i32 %b, %a ; <i32> [#uses=1]
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%tmp6 = and i32 %b, %a ; <i32> [#uses=1]
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%tmp6not = xor i32 %tmp6, -1 ; <i32> [#uses=1]
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%tmp7 = and i32 %tmp3, %tmp6not ; <i32> [#uses=1]
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ret i32 %tmp7
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}
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