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annotate test/Transforms/InstCombine/dce-iterate.ll @ 147:c2174574ed3a

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LLVM 10
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Wed, 14 Aug 2019 16:55:33 +0900
parents 95c75e76d11b
children
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95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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1 ; RUN: opt < %s -instcombine -S | grep "ret double .sy"
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2
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3 define internal double @ScaleObjectAdd(double %sx, double %sy, double %sz) nounwind {
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4 entry:
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5 %sx34 = bitcast double %sx to i64 ; <i64> [#uses=1]
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6 %sx3435 = zext i64 %sx34 to i960 ; <i960> [#uses=1]
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7 %sy22 = bitcast double %sy to i64 ; <i64> [#uses=1]
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8 %sy2223 = zext i64 %sy22 to i960 ; <i960> [#uses=1]
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9 %sy222324 = shl i960 %sy2223, 320 ; <i960> [#uses=1]
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10 %sy222324.ins = or i960 %sx3435, %sy222324 ; <i960> [#uses=1]
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11 %sz10 = bitcast double %sz to i64 ; <i64> [#uses=1]
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12 %sz1011 = zext i64 %sz10 to i960 ; <i960> [#uses=1]
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13 %sz101112 = shl i960 %sz1011, 640 ; <i960> [#uses=1]
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14 %sz101112.ins = or i960 %sy222324.ins, %sz101112
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16 %a = trunc i960 %sz101112.ins to i64 ; <i64> [#uses=1]
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17 %b = bitcast i64 %a to double ; <double> [#uses=1]
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18 %c = lshr i960 %sz101112.ins, 320 ; <i960> [#uses=1]
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19 %d = trunc i960 %c to i64 ; <i64> [#uses=1]
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20 %e = bitcast i64 %d to double ; <double> [#uses=1]
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21 %f = fadd double %b, %e
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22
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23 ret double %e
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24 }