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annotate test/Transforms/InstCombine/apint-cast.ll @ 83:60c9769439b8 LLVM3.7

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LLVM 3.7
author Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp>
date Wed, 18 Feb 2015 14:55:36 +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 ; Tests to make sure elimination of casts is working correctly
95c75e76d11b LLVM 3.4
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2 ; RUN: opt < %s -instcombine -S | FileCheck %s
95c75e76d11b LLVM 3.4
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3
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4 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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5
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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6 define i17 @test1(i17 %a) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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7 %tmp = zext i17 %a to i37 ; <i37> [#uses=2]
95c75e76d11b LLVM 3.4
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8 %tmp21 = lshr i37 %tmp, 8 ; <i37> [#uses=1]
95c75e76d11b LLVM 3.4
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9 ; CHECK: %tmp21 = lshr i17 %a, 8
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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10 %tmp5 = shl i37 %tmp, 8 ; <i37> [#uses=1]
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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11 ; CHECK: %tmp5 = shl i17 %a, 8
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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12 %tmp.upgrd.32 = or i37 %tmp21, %tmp5 ; <i37> [#uses=1]
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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13 ; CHECK: %tmp.upgrd.32 = or i17 %tmp21, %tmp5
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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14 %tmp.upgrd.3 = trunc i37 %tmp.upgrd.32 to i17 ; <i17> [#uses=1]
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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15 ret i17 %tmp.upgrd.3
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16 ; CHECK: ret i17 %tmp.upgrd.32
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17 }
95c75e76d11b LLVM 3.4
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18
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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19 define i167 @test2(i167 %a) {
95c75e76d11b LLVM 3.4
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20 %tmp = zext i167 %a to i577 ; <i577> [#uses=2]
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21 %tmp21 = lshr i577 %tmp, 9 ; <i577> [#uses=1]
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22 ; CHECK: %tmp21 = lshr i167 %a, 9
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23 %tmp5 = shl i577 %tmp, 8 ; <i577> [#uses=1]
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24 ; CHECK: %tmp5 = shl i167 %a, 8
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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25 %tmp.upgrd.32 = or i577 %tmp21, %tmp5 ; <i577> [#uses=1]
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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26 ; CHECK: %tmp.upgrd.32 = or i167 %tmp21, %tmp5
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27 %tmp.upgrd.3 = trunc i577 %tmp.upgrd.32 to i167 ; <i167> [#uses=1]
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28 ret i167 %tmp.upgrd.3
95c75e76d11b LLVM 3.4
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29 ; CHECK: ret i167 %tmp.upgrd.32
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30 }