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; RUN: opt -S -passes=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 (i8*)* @vf1 to i8*)], !type !0
@vt2 = constant [1 x i8*] [i8* bitcast (i32 (i8*)* @vf2 to i8*)], !type !0
define i32 @vf1(i8* %this) readnone {
ret i32 123
}
define i32 @vf2(i8* %this) readnone {
ret i32 123
}
; 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 (i8*)*
%result = call i32 %fptr_casted(i8* %obj)
; CHECK-NOT: call i32 %
; CHECK: ret i32 123
ret i32 %result
}
declare i1 @llvm.type.test(i8*, metadata)
declare void @llvm.assume(i1)
!0 = !{i32 0, !"typeid"}
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