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1; RUN: opt < %s -passes=globaldce -S | FileCheck %s2 3target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"4 5declare { ptr, i1 } @llvm.type.checked.load(ptr, i32, metadata)6 7@vtableA = internal unnamed_addr constant { [2 x i32] } { [2 x i32] [8 i32 0,9 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}11 12; CHECK: @vtableA = internal unnamed_addr constant { [2 x i32] } { [2 x i32] [13; CHECK-SAME: i32 0,14; CHECK-SAME: i32 trunc (i64 sub (i64 ptrtoint (ptr @vfunc2 to i64), i64 ptrtoint (ptr @vtableA to i64)) to i32)15; CHECK-SAME: ] }, align 816 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}21 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 826 27define internal void @vfunc1() {28 ret void29}30 31define internal void @vfunc2() {32 ret void33}34 35define void @main() {36 %1 = ptrtoint ptr @vtableA to i64 ; to keep @vtableA alive37 %2 = ptrtoint ptr @vtableB to i64 ; to keep @vtableB alive38 %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")40 ret void41}42 43!999 = !{i32 1, !"Virtual Function Elim", i32 1}44!llvm.module.flags = !{!999}45