1 ; RUN: opt < %s -passes=globaldce -S | FileCheck %s
3 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
5 declare { ptr, i1 } @llvm.type.checked.load(ptr, i32, metadata)
7 @vtableA = internal unnamed_addr constant { [2 x i32] } { [2 x i32] [
9 i32 trunc (i64 sub (i64 ptrtoint (ptr @vfunc2 to i64), i64 ptrtoint (ptr @vtableA to i64)) to i32)
10 ]}, align 8, !type !{i64 0, !"vfunc1.type"}, !type !{i64 4, !"vfunc2.type"}, !vcall_visibility !{i64 2}
12 ; CHECK: @vtableA = internal unnamed_addr constant { [2 x i32] } { [2 x i32] [
14 ; CHECK-SAME: i32 trunc (i64 sub (i64 ptrtoint (ptr @vfunc2 to i64), i64 ptrtoint (ptr @vtableA to i64)) to i32)
15 ; CHECK-SAME: ] }, align 8
17 @vtableB = internal unnamed_addr constant { [2 x i32] } { [2 x i32] [
18 i32 trunc (i64 sub (i64 ptrtoint (ptr @vfunc1 to i64), i64 ptrtoint (ptr @vtableB to i64)) to i32),
19 i32 trunc (i64 sub (i64 ptrtoint (ptr @vfunc2 to i64), i64 ptrtoint (ptr @vtableB to i64)) to i32)
20 ]}, align 8, !type !{i64 0, !"vfunc1.type"}, !type !{i64 4, !"vfunc2.type"}, !vcall_visibility !{i64 2}
22 ; CHECK: @vtableB = internal unnamed_addr constant { [2 x i32] } { [2 x i32] [
23 ; CHECK-SAME: i32 trunc (i64 sub (i64 ptrtoint (ptr @vfunc1 to i64), i64 ptrtoint (ptr @vtableB to i64)) to i32),
24 ; CHECK-SAME: i32 trunc (i64 sub (i64 ptrtoint (ptr @vfunc2 to i64), i64 ptrtoint (ptr @vtableB to i64)) to i32)
25 ; CHECK-SAME: ] }, align 8
27 define internal void @vfunc1() {
31 define internal void @vfunc2() {
36 %1 = ptrtoint ptr @vtableA to i64 ; to keep @vtableA alive
37 %2 = ptrtoint ptr @vtableB to i64 ; to keep @vtableB alive
38 %3 = tail call { ptr, i1 } @llvm.type.checked.load(ptr null, i32 0, metadata !"vfunc1.type")
39 %4 = tail call { ptr, i1 } @llvm.type.checked.load(ptr null, i32 0, metadata !"vfunc2.type")
43 !999 = !{i32 1, !"Virtual Function Elim", i32 1}
44 !llvm.module.flags = !{!999}