| ; RUN: opt < %s -passes=globaldce -S | FileCheck %s |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| |
| declare { ptr, i1 } @llvm.type.checked.load(ptr, i32, metadata) |
| |
| @vtable = internal unnamed_addr constant { [3 x i32] } { [3 x i32] [ |
| i32 trunc (i64 sub (i64 ptrtoint (ptr @vfunc1 to i64), i64 ptrtoint (ptr @vtable to i64)) to i32), |
| i32 trunc (i64 sub (i64 ptrtoint (ptr @vfunc2 to i64), i64 ptrtoint (ptr @vtable to i64)) to i32), |
| |
| ; a "bad" relative pointer because it's base is not the @vtable symbol |
| i32 trunc (i64 sub (i64 ptrtoint (ptr @weird_ref_1 to i64), i64 ptrtoint (ptr @weird_ref_2 to i64)) to i32) |
| ]}, align 8, !type !0, !type !1, !vcall_visibility !{i64 2} |
| !0 = !{i64 0, !"vfunc1.type"} |
| !1 = !{i64 4, !"vfunc2.type"} |
| |
| ; CHECK: @vtable = internal unnamed_addr constant { [3 x i32] } zeroinitializer, align 8, !type !0, !type !1, !vcall_visibility !2 |
| |
| define internal void @vfunc1() { ret void } |
| define internal void @vfunc2() { ret void } |
| define internal void @weird_ref_1() { ret void } |
| define internal void @weird_ref_2() { ret void } |
| |
| define void @main() { |
| %1 = ptrtoint ptr @vtable to i64 ; to keep @vtable alive |
| call void @weird_ref_2() |
| ret void |
| } |
| |
| !999 = !{i32 1, !"Virtual Function Elim", i32 1} |
| !llvm.module.flags = !{!999} |