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annotate test/Transforms/ScalarRepl/load-store-aggregate.ll @ 95:afa8332a0e37 LLVM3.8

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LLVM 3.8
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Tue, 13 Oct 2015 17:48:58 +0900
parents 95c75e76d11b
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1 ; This testcase shows that scalarrepl is able to replace struct alloca's which
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2 ; are directly loaded from or stored to (using the first class aggregates
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3 ; feature).
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4 target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64"
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6 ; RUN: opt < %s -scalarrepl -S > %t
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7 ; RUN: cat %t | not grep alloca
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9 %struct.foo = type { i32, i32 }
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11 define i32 @test(%struct.foo* %P) {
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12 entry:
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13 %L = alloca %struct.foo, align 8 ; <%struct.foo*> [#uses=2]
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14 %V = load %struct.foo, %struct.foo* %P
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15 store %struct.foo %V, %struct.foo* %L
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17 %tmp4 = getelementptr %struct.foo, %struct.foo* %L, i32 0, i32 0 ; <i32*> [#uses=1]
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18 %tmp5 = load i32, i32* %tmp4 ; <i32> [#uses=1]
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19 ret i32 %tmp5
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20 }
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22 define %struct.foo @test2(i32 %A, i32 %B) {
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23 entry:
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24 %L = alloca %struct.foo, align 8 ; <%struct.foo*> [#uses=2]
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25 %L.0 = getelementptr %struct.foo, %struct.foo* %L, i32 0, i32 0
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26 store i32 %A, i32* %L.0
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27 %L.1 = getelementptr %struct.foo, %struct.foo* %L, i32 0, i32 1
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28 store i32 %B, i32* %L.1
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29 %V = load %struct.foo, %struct.foo* %L
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30 ret %struct.foo %V
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31 }