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annotate test/Transforms/IndVarSimplify/lftr_simple.ll @ 123:923c9a525fb0

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rename IListTest.cpp
author mir3636
date Thu, 30 Nov 2017 18:21:27 +0900
parents 1172e4bd9c6f
children
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1 ; LFTR should eliminate the need for the computation of i*i completely. It
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2 ; is only used to compute the exit value.
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3 ; RUN: opt < %s -indvars -dce -S | FileCheck %s
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5 ; Provide legal integer types.
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6 target datalayout = "n8:16:32:64"
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9 @A = external global i32 ; <i32*> [#uses=1]
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11 define i32 @quadratic_setlt() {
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12 ; CHECK-LABEL: @quadratic_setlt(
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13 ; CHECK-NOT: mul
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14 entry:
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15 br label %loop
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17 loop: ; preds = %loop, %entry
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18 %i = phi i32 [ 7, %entry ], [ %i.next, %loop ] ; <i32> [#uses=5]
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19 %i.next = add i32 %i, 1 ; <i32> [#uses=1]
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20 store i32 %i, i32* @A
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21 %i2 = mul i32 %i, %i ; <i32> [#uses=1]
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22 %c = icmp slt i32 %i2, 1000 ; <i1> [#uses=1]
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23 br i1 %c, label %loop, label %loopexit
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25 loopexit: ; preds = %loop
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26 ret i32 %i
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27 }
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