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https://github.com/c64scene-ar/llvm-6502.git
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26 lines
1.5 KiB
LLVM
26 lines
1.5 KiB
LLVM
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; RUN: llvm-as < %s | llc -march=ppc32 -stats 2>&1 | grep 'Number of machine instrs printed' | grep 12
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ushort %Trans16Bit(uint %srcA, uint %srcB, uint %alpha) {
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%tmp1 = shl uint %srcA, ubyte 15 ; <uint> [#uses=1]
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%tmp2 = and uint %tmp1, 32505856 ; <uint> [#uses=1]
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%tmp4 = and uint %srcA, 31775 ; <uint> [#uses=1]
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%tmp5 = or uint %tmp2, %tmp4 ; <uint> [#uses=1]
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%tmp7 = shl uint %srcB, ubyte 15 ; <uint> [#uses=1]
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%tmp8 = and uint %tmp7, 32505856 ; <uint> [#uses=1]
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%tmp10 = and uint %srcB, 31775 ; <uint> [#uses=1]
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%tmp11 = or uint %tmp8, %tmp10 ; <uint> [#uses=1]
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%tmp14 = mul uint %tmp5, %alpha ; <uint> [#uses=1]
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%tmp16 = sub uint 32, %alpha ; <uint> [#uses=1]
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%tmp18 = mul uint %tmp11, %tmp16 ; <uint> [#uses=1]
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%tmp19 = add uint %tmp18, %tmp14 ; <uint> [#uses=2]
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%tmp21 = shr uint %tmp19, ubyte 5 ; <uint> [#uses=1]
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%tmp21 = cast uint %tmp21 to ushort ; <ushort> [#uses=1]
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%tmp = and ushort %tmp21, 31775 ; <ushort> [#uses=1]
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%tmp23 = shr uint %tmp19, ubyte 20 ; <uint> [#uses=1]
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%tmp23 = cast uint %tmp23 to ushort ; <ushort> [#uses=1]
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%tmp24 = and ushort %tmp23, 992 ; <ushort> [#uses=1]
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%tmp25 = or ushort %tmp, %tmp24 ; <ushort> [#uses=1]
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ret ushort %tmp25
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}
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