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14 lines
551 B
LLVM
14 lines
551 B
LLVM
; RUN: opt < %s -tsan -S | FileCheck %s
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; Check that vtable pointer updates are treated in a special way.
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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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define void @Foo(i8** nocapture %a, i8* %b) nounwind uwtable {
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entry:
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; CHECK: call void @__tsan_vptr_update
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store i8* %b, i8** %a, align 8, !tbaa !0
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ret void
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}
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!0 = metadata !{metadata !"vtable pointer", metadata !1}
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!1 = metadata !{metadata !"Simple C/C++ TBAA", null}
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