1; RUN: opt -S -passes=wholeprogramdevirt -whole-program-visibility %s | FileCheck %s 2 3target datalayout = "e-p:64:64" 4target triple = "x86_64-unknown-linux-gnu" 5 6@vt1 = constant [1 x ptr] [ptr @vf1], !type !0 7@vt2 = constant [1 x ptr] [ptr @vf2], !type !0 8 9declare i32 @vf1(ptr %this, i32 %arg) readnone 10 11define i32 @vf2(ptr %this, i32 %arg) readnone { 12 ret i32 %arg 13} 14 15; CHECK: define i32 @fn 16define i32 @fn(ptr %obj) { 17 %vtable = load ptr, ptr %obj 18 %p = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid") 19 call void @llvm.assume(i1 %p) 20 %fptr = load ptr, ptr %vtable 21 ; CHECK: call i32 % 22 %result = call i32 %fptr(ptr %obj, i32 1) 23 ret i32 %result 24} 25declare i1 @llvm.type.test(ptr, metadata) 26declare void @llvm.assume(i1) 27 28!0 = !{i32 0, !"typeid"} 29