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; RUN: opt -S -wholeprogramdevirt %s | FileCheck %s
target datalayout = "e-p:64:64"
target triple = "x86_64-unknown-linux-gnu"
@vt1 = constant [1 x i8*] [i8* bitcast (void (i8*)* @vf to i8*)]
@vt2 = constant [1 x i8*] [i8* bitcast (void (i8*)* @vf to i8*)]
define void @vf(i8* %this) {
ret void
}
; CHECK: define void @call
define void @call(i8* %obj) {
%vtableptr = bitcast i8* %obj to [1 x i8*]**
%vtable = load [1 x i8*]*, [1 x i8*]** %vtableptr
%vtablei8 = bitcast [1 x i8*]* %vtable to i8*
%p = call i1 @llvm.bitset.test(i8* %vtablei8, metadata !"bitset")
call void @llvm.assume(i1 %p)
%fptrptr = getelementptr [1 x i8*], [1 x i8*]* %vtable, i32 0, i32 0
%fptr = load i8*, i8** %fptrptr
%fptr_casted = bitcast i8* %fptr to void (i8*)*
; CHECK: call void @vf(
call void %fptr_casted(i8* %obj)
ret void
}
declare i1 @llvm.bitset.test(i8*, metadata)
declare void @llvm.assume(i1)
!0 = !{!"bitset", [1 x i8*]* @vt1, i32 0}
!1 = !{!"bitset", [1 x i8*]* @vt2, i32 0}
!llvm.bitsets = !{!0, !1}
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