45 lines
1.6 KiB
LLVM
45 lines
1.6 KiB
LLVM
; RUN: opt < %s -globaldce -S | FileCheck %s
|
|
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
|
|
declare { i8*, i1 } @llvm.type.checked.load(i8*, i32, metadata)
|
|
|
|
@vtableA = internal unnamed_addr constant { [2 x i8*] } { [2 x i8*] [
|
|
i8* null,
|
|
i8* bitcast (void ()* @vfunc2 to i8*)
|
|
]}, align 8, !type !{i64 0, !"vfunc1.type"}, !type !{i64 8, !"vfunc2.type"}, !vcall_visibility !{i64 2}
|
|
|
|
; CHECK: @vtableA = internal unnamed_addr constant { [2 x i8*] } { [2 x i8*] [
|
|
; CHECK-SAME: i8* null,
|
|
; CHECK-SAME: i8* bitcast (void ()* @vfunc2 to i8*)
|
|
; CHECK-SAME: ] }, align 8
|
|
|
|
@vtableB = internal unnamed_addr constant { [2 x i8*] } { [2 x i8*] [
|
|
i8* bitcast (void ()* @vfunc1 to i8*),
|
|
i8* bitcast (void ()* @vfunc2 to i8*)
|
|
]}, align 8, !type !{i64 0, !"vfunc1.type"}, !type !{i64 8, !"vfunc2.type"}, !vcall_visibility !{i64 2}
|
|
|
|
; CHECK: @vtableB = internal unnamed_addr constant { [2 x i8*] } { [2 x i8*] [
|
|
; CHECK-SAME: i8* bitcast (void ()* @vfunc1 to i8*),
|
|
; CHECK-SAME: i8* bitcast (void ()* @vfunc2 to i8*)
|
|
; CHECK-SAME: ] }, align 8
|
|
|
|
define internal void @vfunc1() {
|
|
ret void
|
|
}
|
|
|
|
define internal void @vfunc2() {
|
|
ret void
|
|
}
|
|
|
|
define void @main() {
|
|
%1 = ptrtoint { [2 x i8*] }* @vtableA to i64 ; to keep @vtableA alive
|
|
%2 = ptrtoint { [2 x i8*] }* @vtableB to i64 ; to keep @vtableB alive
|
|
%3 = tail call { i8*, i1 } @llvm.type.checked.load(i8* null, i32 0, metadata !"vfunc1.type")
|
|
%4 = tail call { i8*, i1 } @llvm.type.checked.load(i8* null, i32 0, metadata !"vfunc2.type")
|
|
ret void
|
|
}
|
|
|
|
!999 = !{i32 1, !"Virtual Function Elim", i32 1}
|
|
!llvm.module.flags = !{!999}
|