mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-01 00:11:00 +00:00
2bbcca30b7
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22623 91177308-0d34-0410-b5e6-96231b3b80d8
31 lines
1.4 KiB
LLVM
31 lines
1.4 KiB
LLVM
; All of these ands and shifts should be folded into rlwimi's
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; RUN: llvm-as < rlwimi2.ll | llc -march=ppc32 | grep rlwimi | wc -l | grep 3 &&
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; RUN: llvm-as < rlwimi2.ll | llc -march=ppc32 | grep srwi | wc -l | grep 1 &&
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; RUN: llvm-as < rlwimi2.ll | llc -march=ppc32 | not grep slwi
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implementation ; Functions:
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ushort %test1(uint %srcA, uint %srcB, uint %alpha) {
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entry:
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%tmp.1 = shl uint %srcA, ubyte 15 ; <uint> [#uses=1]
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%tmp.4 = and uint %tmp.1, 32505856 ; <uint> [#uses=1]
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%tmp.6 = and uint %srcA, 31775 ; <uint> [#uses=1]
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%tmp.7 = or uint %tmp.4, %tmp.6 ; <uint> [#uses=1]
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%tmp.9 = shl uint %srcB, ubyte 15 ; <uint> [#uses=1]
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%tmp.12 = and uint %tmp.9, 32505856 ; <uint> [#uses=1]
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%tmp.14 = and uint %srcB, 31775 ; <uint> [#uses=1]
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%tmp.15 = or uint %tmp.12, %tmp.14 ; <uint> [#uses=1]
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%tmp.18 = mul uint %tmp.7, %alpha ; <uint> [#uses=1]
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%tmp.20 = sub uint 32, %alpha ; <uint> [#uses=1]
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%tmp.22 = mul uint %tmp.15, %tmp.20 ; <uint> [#uses=1]
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%tmp.23 = add uint %tmp.22, %tmp.18 ; <uint> [#uses=2]
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%tmp.27 = shr uint %tmp.23, ubyte 5 ; <uint> [#uses=1]
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%tmp.28 = cast uint %tmp.27 to ushort ; <ushort> [#uses=1]
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%tmp.29 = and ushort %tmp.28, 31775 ; <ushort> [#uses=1]
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%tmp.33 = shr uint %tmp.23, ubyte 20 ; <uint> [#uses=1]
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%tmp.34 = cast uint %tmp.33 to ushort ; <ushort> [#uses=1]
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%tmp.35 = and ushort %tmp.34, 992 ; <ushort> [#uses=1]
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%tmp.36 = or ushort %tmp.29, %tmp.35 ; <ushort> [#uses=1]
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ret ushort %tmp.36
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}
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