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https://github.com/c64scene-ar/llvm-6502.git
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c0ea2335f3
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28802 91177308-0d34-0410-b5e6-96231b3b80d8
29 lines
1.4 KiB
LLVM
29 lines
1.4 KiB
LLVM
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep 'call.*llvm.bswap' | wc -l | grep 2
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uint %test1(uint %i) {
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%tmp1 = shr uint %i, ubyte 24 ; <uint> [#uses=1]
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%tmp3 = shr uint %i, ubyte 8 ; <uint> [#uses=1]
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%tmp4 = and uint %tmp3, 65280 ; <uint> [#uses=1]
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%tmp5 = or uint %tmp1, %tmp4 ; <uint> [#uses=1]
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%tmp7 = shl uint %i, ubyte 8 ; <uint> [#uses=1]
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%tmp8 = and uint %tmp7, 16711680 ; <uint> [#uses=1]
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%tmp9 = or uint %tmp5, %tmp8 ; <uint> [#uses=1]
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%tmp11 = shl uint %i, ubyte 24 ; <uint> [#uses=1]
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%tmp12 = or uint %tmp9, %tmp11 ; <uint> [#uses=1]
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ret uint %tmp12
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}
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uint %test2(uint %arg) {
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%tmp2 = shl uint %arg, ubyte 24 ; <uint> [#uses=1]
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%tmp4 = shl uint %arg, ubyte 8 ; <uint> [#uses=1]
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%tmp5 = and uint %tmp4, 16711680 ; <uint> [#uses=1]
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%tmp6 = or uint %tmp2, %tmp5 ; <uint> [#uses=1]
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%tmp8 = shr uint %arg, ubyte 8 ; <uint> [#uses=1]
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%tmp9 = and uint %tmp8, 65280 ; <uint> [#uses=1]
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%tmp10 = or uint %tmp6, %tmp9 ; <uint> [#uses=1]
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%tmp12 = shr uint %arg, ubyte 24 ; <uint> [#uses=1]
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%tmp14 = or uint %tmp10, %tmp12 ; <uint> [#uses=1]
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ret uint %tmp14
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}
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