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; RUN: opt -S -wholeprogramdevirt %s | FileCheck %s
target datalayout = "e-p:64:64"
target triple = "x86_64-unknown-linux-gnu"
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; CHECK: [[VT1DATA:@[^ ]*]] = private constant { [0 x i8], [4 x i8*], [5 x i8] } { [0 x i8] zeroinitializer, [4 x i8*] [i8* null, i8* bitcast (i1 (i8*)* @vf0i1 to i8*), i8* bitcast (i1 (i8*)* @vf1i1 to i8*), i8* bitcast (i32 (i8*)* @vf1i32 to i8*)], [5 x i8] c"\01\00\00\00\01" }, !type [[T8:![0-9]+]]
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@vt1 = constant [ 4 x i8 * ] [
i8 * null ,
i8 * bitcast ( i1 ( i8 * ) * @vf0i1 to i8 * ) ,
i8 * bitcast ( i1 ( i8 * ) * @vf1i1 to i8 * ) ,
i8 * bitcast ( i32 ( i8 * ) * @vf1i32 to i8 * )
] , !type !1
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; CHECK: [[VT2DATA:@[^ ]*]] = private constant { [0 x i8], [3 x i8*], [5 x i8] } { [0 x i8] zeroinitializer, [3 x i8*] [i8* bitcast (i1 (i8*)* @vf1i1 to i8*), i8* bitcast (i1 (i8*)* @vf0i1 to i8*), i8* bitcast (i32 (i8*)* @vf2i32 to i8*)], [5 x i8] c"\02\00\00\00\02" }, !type [[T0:![0-9]+]]
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@vt2 = constant [ 3 x i8 * ] [
i8 * bitcast ( i1 ( i8 * ) * @vf1i1 to i8 * ) ,
i8 * bitcast ( i1 ( i8 * ) * @vf0i1 to i8 * ) ,
i8 * bitcast ( i32 ( i8 * ) * @vf2i32 to i8 * )
] , !type !0
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; CHECK: [[VT3DATA:@[^ ]*]] = private constant { [0 x i8], [4 x i8*], [5 x i8] } { [0 x i8] zeroinitializer, [4 x i8*] [i8* null, i8* bitcast (i1 (i8*)* @vf0i1 to i8*), i8* bitcast (i1 (i8*)* @vf1i1 to i8*), i8* bitcast (i32 (i8*)* @vf3i32 to i8*)], [5 x i8] c"\03\00\00\00\01" }, !type [[T8]]
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@vt3 = constant [ 4 x i8 * ] [
i8 * null ,
i8 * bitcast ( i1 ( i8 * ) * @vf0i1 to i8 * ) ,
i8 * bitcast ( i1 ( i8 * ) * @vf1i1 to i8 * ) ,
i8 * bitcast ( i32 ( i8 * ) * @vf3i32 to i8 * )
] , !type !1
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; CHECK: [[VT4DATA:@[^ ]*]] = private constant { [0 x i8], [3 x i8*], [5 x i8] } { [0 x i8] zeroinitializer, [3 x i8*] [i8* bitcast (i1 (i8*)* @vf1i1 to i8*), i8* bitcast (i1 (i8*)* @vf0i1 to i8*), i8* bitcast (i32 (i8*)* @vf4i32 to i8*)], [5 x i8] c"\04\00\00\00\02" }, !type [[T0]]
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@vt4 = constant [ 3 x i8 * ] [
i8 * bitcast ( i1 ( i8 * ) * @vf1i1 to i8 * ) ,
i8 * bitcast ( i1 ( i8 * ) * @vf0i1 to i8 * ) ,
i8 * bitcast ( i32 ( i8 * ) * @vf4i32 to i8 * )
] , !type !0
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; CHECK: @vt1 = alias [4 x i8*], getelementptr inbounds ({ [0 x i8], [4 x i8*], [5 x i8] }, { [0 x i8], [4 x i8*], [5 x i8] }* [[VT1DATA]], i32 0, i32 1)
; CHECK: @vt2 = alias [3 x i8*], getelementptr inbounds ({ [0 x i8], [3 x i8*], [5 x i8] }, { [0 x i8], [3 x i8*], [5 x i8] }* [[VT2DATA]], i32 0, i32 1)
; CHECK: @vt3 = alias [4 x i8*], getelementptr inbounds ({ [0 x i8], [4 x i8*], [5 x i8] }, { [0 x i8], [4 x i8*], [5 x i8] }* [[VT3DATA]], i32 0, i32 1)
; CHECK: @vt4 = alias [3 x i8*], getelementptr inbounds ({ [0 x i8], [3 x i8*], [5 x i8] }, { [0 x i8], [3 x i8*], [5 x i8] }* [[VT4DATA]], i32 0, i32 1)
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define i1 @vf0i1 ( i8 * %this ) readnone {
ret i1 0
}
define i1 @vf1i1 ( i8 * %this ) readnone {
ret i1 1
}
define i32 @vf1i32 ( i8 * %this ) readnone {
ret i32 1
}
define i32 @vf2i32 ( i8 * %this ) readnone {
ret i32 2
}
define i32 @vf3i32 ( i8 * %this ) readnone {
ret i32 3
}
define i32 @vf4i32 ( i8 * %this ) readnone {
ret i32 4
}
; CHECK: define i1 @call1(
define i1 @call1 ( i8 * %obj ) {
%vtableptr = bitcast i8 * %obj to [ 3 x i8 * ] * *
%vtable = load [ 3 x i8 * ] * , [ 3 x i8 * ] * * %vtableptr
; CHECK: {{.*}} = bitcast [3 x i8*]* {{.*}} to i8*
; CHECK: [[VT1:%[^ ]*]] = bitcast [3 x i8*]* {{.*}} to i8*
%vtablei8 = bitcast [ 3 x i8 * ] * %vtable to i8 *
%p = call i1 @llvm.type.test ( i8 * %vtablei8 , metadata !"typeid" )
call void @llvm.assume ( i1 %p )
%fptrptr = getelementptr [ 3 x i8 * ] , [ 3 x i8 * ] * %vtable , i32 0 , i32 0
%fptr = load i8 * , i8 * * %fptrptr
%fptr_casted = bitcast i8 * %fptr to i1 ( i8 * ) *
; CHECK: [[VTGEP1:%[^ ]*]] = getelementptr i8, i8* [[VT1]], i32 28
; CHECK: [[VTLOAD1:%[^ ]*]] = load i8, i8* [[VTGEP1]]
; CHECK: [[VTAND1:%[^ ]*]] = and i8 [[VTLOAD1]], 2
; CHECK: [[VTCMP1:%[^ ]*]] = icmp ne i8 [[VTAND1]], 0
%result = call i1 %fptr_casted ( i8 * %obj )
; CHECK: ret i1 [[VTCMP1]]
ret i1 %result
}
; CHECK: define i1 @call2(
define i1 @call2 ( i8 * %obj ) {
%vtableptr = bitcast i8 * %obj to [ 3 x i8 * ] * *
%vtable = load [ 3 x i8 * ] * , [ 3 x i8 * ] * * %vtableptr
; CHECK: {{.*}} = bitcast [3 x i8*]* {{.*}} to i8*
; CHECK: [[VT2:%[^ ]*]] = bitcast [3 x i8*]* {{.*}} to i8*
%vtablei8 = bitcast [ 3 x i8 * ] * %vtable to i8 *
%p = call i1 @llvm.type.test ( i8 * %vtablei8 , metadata !"typeid" )
call void @llvm.assume ( i1 %p )
%fptrptr = getelementptr [ 3 x i8 * ] , [ 3 x i8 * ] * %vtable , i32 0 , i32 1
%fptr = load i8 * , i8 * * %fptrptr
%fptr_casted = bitcast i8 * %fptr to i1 ( i8 * ) *
; CHECK: [[VTGEP2:%[^ ]*]] = getelementptr i8, i8* [[VT2]], i32 28
; CHECK: [[VTLOAD2:%[^ ]*]] = load i8, i8* [[VTGEP2]]
; CHECK: [[VTAND2:%[^ ]*]] = and i8 [[VTLOAD2]], 1
; CHECK: [[VTCMP2:%[^ ]*]] = icmp ne i8 [[VTAND2]], 0
%result = call i1 %fptr_casted ( i8 * %obj )
; CHECK: ret i1 [[VTCMP2]]
ret i1 %result
}
; CHECK: define i32 @call3(
define i32 @call3 ( i8 * %obj ) {
%vtableptr = bitcast i8 * %obj to [ 3 x i8 * ] * *
%vtable = load [ 3 x i8 * ] * , [ 3 x i8 * ] * * %vtableptr
; CHECK: {{.*}} = bitcast [3 x i8*]* {{.*}} to i8*
; CHECK: [[VT3:%[^ ]*]] = bitcast [3 x i8*]* {{.*}} to i8*
%vtablei8 = bitcast [ 3 x i8 * ] * %vtable to i8 *
%p = call i1 @llvm.type.test ( i8 * %vtablei8 , metadata !"typeid" )
call void @llvm.assume ( i1 %p )
%fptrptr = getelementptr [ 3 x i8 * ] , [ 3 x i8 * ] * %vtable , i32 0 , i32 2
%fptr = load i8 * , i8 * * %fptrptr
%fptr_casted = bitcast i8 * %fptr to i32 ( i8 * ) *
; CHECK: [[VTGEP3:%[^ ]*]] = getelementptr i8, i8* [[VT3]], i32 24
; CHECK: [[VTBC3:%[^ ]*]] = bitcast i8* [[VTGEP3]] to i32*
; CHECK: [[VTLOAD3:%[^ ]*]] = load i32, i32* [[VTBC3]]
%result = call i32 %fptr_casted ( i8 * %obj )
; CHECK: ret i32 [[VTLOAD3]]
ret i32 %result
}
declare i1 @llvm.type.test ( i8 * , metadata )
declare void @llvm.assume ( i1 )
; CHECK: [[T8]] = !{i32 8, !"typeid"}
; CHECK: [[T0]] = !{i32 0, !"typeid"}
!0 = ! { i32 0 , !"typeid" }
!1 = ! { i32 8 , !"typeid" }