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26 lines
1.1 KiB
LLVM
26 lines
1.1 KiB
LLVM
; RUN: llvm-as < %s | llc -march=ppc32 -stats |& \
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; RUN: grep {Number of machine instrs printed} | grep 12
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define i16 @Trans16Bit(i32 %srcA, i32 %srcB, i32 %alpha) {
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%tmp1 = shl i32 %srcA, 15 ; <i32> [#uses=1]
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%tmp2 = and i32 %tmp1, 32505856 ; <i32> [#uses=1]
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%tmp4 = and i32 %srcA, 31775 ; <i32> [#uses=1]
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%tmp5 = or i32 %tmp2, %tmp4 ; <i32> [#uses=1]
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%tmp7 = shl i32 %srcB, 15 ; <i32> [#uses=1]
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%tmp8 = and i32 %tmp7, 32505856 ; <i32> [#uses=1]
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%tmp10 = and i32 %srcB, 31775 ; <i32> [#uses=1]
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%tmp11 = or i32 %tmp8, %tmp10 ; <i32> [#uses=1]
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%tmp14 = mul i32 %tmp5, %alpha ; <i32> [#uses=1]
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%tmp16 = sub i32 32, %alpha ; <i32> [#uses=1]
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%tmp18 = mul i32 %tmp11, %tmp16 ; <i32> [#uses=1]
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%tmp19 = add i32 %tmp18, %tmp14 ; <i32> [#uses=2]
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%tmp21 = lshr i32 %tmp19, 5 ; <i32> [#uses=1]
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%tmp21.upgrd.1 = trunc i32 %tmp21 to i16 ; <i16> [#uses=1]
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%tmp = and i16 %tmp21.upgrd.1, 31775 ; <i16> [#uses=1]
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%tmp23 = lshr i32 %tmp19, 20 ; <i32> [#uses=1]
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%tmp23.upgrd.2 = trunc i32 %tmp23 to i16 ; <i16> [#uses=1]
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%tmp24 = and i16 %tmp23.upgrd.2, 992 ; <i16> [#uses=1]
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%tmp25 = or i16 %tmp, %tmp24 ; <i16> [#uses=1]
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ret i16 %tmp25
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}
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