1 ; RUN: opt -S -wholeprogramdevirt %s | FileCheck %s 2 3 target datalayout = "e-p:64:64" 4 target triple = "x86_64-unknown-linux-gnu" 5 6 @vt = constant i8* bitcast (void (i8*)* @vf to i8*), !type !0 7 8 define void @vf(i8* %this) { 9 ret void 10 } 11 12 ; CHECK: define void @call 13 define void @call(i8* %obj) { 14 %vtableptr = bitcast i8* %obj to [1 x i8*]** 15 %vtable = load [1 x i8*]*, [1 x i8*]** %vtableptr 16 %vtablei8 = bitcast [1 x i8*]* %vtable to i8* 17 %p = call i1 @llvm.type.test(i8* %vtablei8, metadata !"typeid") 18 call void @llvm.assume(i1 %p) 19 %fptrptr = getelementptr [1 x i8*], [1 x i8*]* %vtable, i32 0, i32 0 20 %fptr = load i8*, i8** %fptrptr 21 %fptr_casted = bitcast i8* %fptr to void (i8*)* 22 ; CHECK: call void % 23 call void %fptr_casted(i8* %obj) 24 ret void 25 } 26 27 declare i1 @llvm.type.test(i8*, metadata) 28 declare void @llvm.assume(i1) 29 30 !0 = !{i32 0, !"typeid"} 31
