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: uwtable 9define hidden i32 @_Z3fooP1A(ptr %pA) local_unnamed_addr { 10entry: 11 %vtable = load ptr, ptr %pA, align 8, !tbaa !2 12 %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 8 15 %call = tail call i32 %1(ptr %pA) 16 %add = add nsw i32 %call, 10 17 ret i32 %add 18} 19 20; Function Attrs: nounwind readnone willreturn 21declare i1 @llvm.type.test(ptr, metadata) 22 23; Function Attrs: nounwind willreturn 24declare 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