blob: 0c3c4e9b2ff53ac53e4fd7dbfebd44576a607af7 [file] [log] [blame]
; RUN: opt -S -wholeprogramdevirt -whole-program-visibility %s | FileCheck %s
target datalayout = "e-p:64:64"
target triple = "x86_64-unknown-linux-gnu"
@vt1 = constant [1 x i8*] [i8* bitcast (i32 ()* @vf1 to i8*)], !type !0
@vt2 = constant [1 x i8*] [i8* bitcast (i32 ()* @vf2 to i8*)], !type !0
define i32 @vf1() readnone {
ret i32 1
}
define i32 @vf2() readnone {
ret i32 2
}
; CHECK: define i32 @call
define i32 @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.type.test(i8* %vtablei8, metadata !"typeid")
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 i32 ()*
; CHECK: call i32 %
%result = call i32 %fptr_casted()
ret i32 %result
}
declare i1 @llvm.type.test(i8*, metadata)
declare void @llvm.assume(i1)
!0 = !{i32 0, !"typeid"}