; ModuleID = 'foo.cpp' source_filename = "foo.cpp" target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" %struct.A = type { ptr } ; Function Attrs: uwtable define hidden i32 @_Z3fooP1A(ptr %pA) local_unnamed_addr { entry: %vtable = load ptr, ptr %pA, align 8, !tbaa !2 %0 = tail call i1 @llvm.type.test(ptr %vtable, metadata !"_ZTS1A") tail call void @llvm.assume(i1 %0) %1 = load ptr, ptr %vtable, align 8 %call = tail call i32 %1(ptr %pA) %add = add nsw i32 %call, 10 ret i32 %add } ; Function Attrs: nounwind readnone willreturn declare i1 @llvm.type.test(ptr, metadata) ; Function Attrs: nounwind willreturn declare void @llvm.assume(i1) !llvm.module.flags = !{!0} !llvm.ident = !{!1} !0 = !{i32 1, !"wchar_size", i32 4} !1 = !{!"clang version 10.0.0 (trunk 373596)"} !2 = !{!3, !3, i64 0} !3 = !{!"vtable pointer", !4, i64 0} !4 = !{!"Simple C++ TBAA"}