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 9define i32 @vf1(ptr %this) readnone { 10 %this_int = ptrtoint ptr %this to i32 11 ret i32 %this_int 12} 13 14define i32 @vf2(ptr %this) readnone { 15 %this_int = ptrtoint ptr %this to i32 16 ret i32 %this_int 17} 18 19; CHECK: define i32 @call 20define i32 @call(ptr %obj) { 21 %vtable = load ptr, ptr %obj 22 %p = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid") 23 call void @llvm.assume(i1 %p) 24 %fptr = load ptr, ptr %vtable 25 ; CHECK: call i32 % 26 %result = call i32 %fptr(ptr %obj) 27 ret i32 %result 28} 29 30declare i1 @llvm.type.test(ptr, metadata) 31declare void @llvm.assume(i1) 32 33!0 = !{i32 0, !"typeid"} 34