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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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1 ; RUN: opt < %s -tsan -S | FileCheck %s
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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2 ; Check that vptr reads are treated in a special way.
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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3 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-n8:16:32:64-S128"
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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4
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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5 define i8 @Foo(i8* %a) nounwind uwtable sanitize_thread {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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6 entry:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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7 ; CHECK: call void @__tsan_vptr_read
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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8 %0 = load i8* %a, align 8, !tbaa !0
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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9 ret i8 %0
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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10 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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11 !0 = metadata !{metadata !2, metadata !2, i64 0}
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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12 !1 = metadata !{metadata !"Simple C/C++ TBAA", null}
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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13 !2 = metadata !{metadata !"vtable pointer", metadata !1}
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