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annotate test/Analysis/BasicAA/2009-10-13-AtomicModRef.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
children
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95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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1 ; RUN: opt -basicaa -gvn -instcombine -S < %s | FileCheck %s
95c75e76d11b LLVM 3.4
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2 target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
95c75e76d11b LLVM 3.4
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95c75e76d11b LLVM 3.4
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4 define i8 @foo(i8* %ptr) {
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afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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5 %P = getelementptr i8, i8* %ptr, i32 0
afa8332a0e37 LLVM 3.8
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents: 0
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6 %Q = getelementptr i8, i8* %ptr, i32 1
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95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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7 ; CHECK: getelementptr
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8 %X = load i8, i8* %P
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95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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9 %Y = atomicrmw add i8* %Q, i8 1 monotonic
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parents: 0
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10 %Z = load i8, i8* %P
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11 ; CHECK-NOT: = load
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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12 %A = sub i8 %X, %Z
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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13 ret i8 %A
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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14 ; CHECK: ret i8 0
95c75e76d11b LLVM 3.4
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15 }