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1; ModuleID = 'foo.cpp'2source_filename = "foo.cpp"3target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"4target triple = "x86_64-unknown-linux-gnu"5 6%struct.A = type { ptr }7 8; Function Attrs: uwtable9define hidden i32 @_Z3fooP1A(ptr %pA) local_unnamed_addr {10entry:11 %vtable = load ptr, ptr %pA, align 8, !tbaa !212 %0 = tail call i1 @llvm.type.test(ptr %vtable, metadata !"_ZTS1A")13 tail call void @llvm.assume(i1 %0)14 %1 = load ptr, ptr %vtable, align 815 %call = tail call i32 %1(ptr %pA)16 %add = add nsw i32 %call, 1017 ret i32 %add18}19 20; Function Attrs: nounwind readnone willreturn21declare i1 @llvm.type.test(ptr, metadata)22 23; Function Attrs: nounwind willreturn24declare void @llvm.assume(i1)25 26!llvm.module.flags = !{!0}27!llvm.ident = !{!1}28 29!0 = !{i32 1, !"wchar_size", i32 4}30!1 = !{!"clang version 10.0.0 (trunk 373596)"}31!2 = !{!3, !3, i64 0}32!3 = !{!"vtable pointer", !4, i64 0}33!4 = !{!"Simple C++ TBAA"}34