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https://github.com/c64scene-ar/llvm-6502.git
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b1e1e82c54
of using llvm-as, now that opt supports this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81226 91177308-0d34-0410-b5e6-96231b3b80d8
40 lines
1.0 KiB
LLVM
40 lines
1.0 KiB
LLVM
; RUN: opt %s -instcombine | llvm-dis | grep {and i32 %a, 1} | count 4
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; RUN: opt %s -instcombine | llvm-dis | grep {or i32 %0, %b} | count 4
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define i32 @func1(i32 %a, i32 %b) nounwind readnone {
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entry:
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%0 = or i32 %b, %a ; <i32> [#uses=1]
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%1 = and i32 %0, 1 ; <i32> [#uses=1]
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%2 = and i32 %b, -2 ; <i32> [#uses=1]
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%3 = or i32 %1, %2 ; <i32> [#uses=1]
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ret i32 %3
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}
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define i32 @func2(i32 %a, i32 %b) nounwind readnone {
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entry:
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%0 = or i32 %a, %b ; <i32> [#uses=1]
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%1 = and i32 1, %0 ; <i32> [#uses=1]
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%2 = and i32 -2, %b ; <i32> [#uses=1]
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%3 = or i32 %1, %2 ; <i32> [#uses=1]
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ret i32 %3
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}
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define i32 @func3(i32 %a, i32 %b) nounwind readnone {
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entry:
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%0 = or i32 %b, %a ; <i32> [#uses=1]
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%1 = and i32 %0, 1 ; <i32> [#uses=1]
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%2 = and i32 %b, -2 ; <i32> [#uses=1]
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%3 = or i32 %2, %1 ; <i32> [#uses=1]
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ret i32 %3
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}
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define i32 @func4(i32 %a, i32 %b) nounwind readnone {
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entry:
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%0 = or i32 %a, %b ; <i32> [#uses=1]
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%1 = and i32 1, %0 ; <i32> [#uses=1]
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%2 = and i32 -2, %b ; <i32> [#uses=1]
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%3 = or i32 %2, %1 ; <i32> [#uses=1]
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ret i32 %3
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}
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