1 ; RUN: opt -S -wholeprogramdevirt -pass-remarks=wholeprogramdevirt %s 2>&1 | FileCheck %s 2 3 ; CHECK-NOT: devirtualized call 4 5 target datalayout = "e-p:64:64" 6 target triple = "x86_64-unknown-linux-gnu" 7 8 @vt = global [1 x i8*] [i8* bitcast (void (i8*)* @vf to i8*)], !type !0 9 10 define void @vf(i8* %this) { 11 ret void 12 } 13 14 ; CHECK: define void @call 15 define void @call(i8* %obj) { 16 %vtableptr = bitcast i8* %obj to [1 x i8*]** 17 %vtable = load [1 x i8*]*, [1 x i8*]** %vtableptr 18 %vtablei8 = bitcast [1 x i8*]* %vtable to i8* 19 %p = call i1 @llvm.type.test(i8* %vtablei8, metadata !"typeid") 20 call void @llvm.assume(i1 %p) 21 %fptrptr = getelementptr [1 x i8*], [1 x i8*]* %vtable, i32 0, i32 0 22 %fptr = load i8*, i8** %fptrptr 23 %fptr_casted = bitcast i8* %fptr to void (i8*)* 24 ; CHECK: call void % 25 call void %fptr_casted(i8* %obj) 26 ret void 27 } 28 29 declare i1 @llvm.type.test(i8*, metadata) 30 declare void @llvm.assume(i1) 31 32 !0 = !{i32 0, !"typeid"} 33
