1; RUN: opt -global-merge -global-merge-max-offset=100 -S -o - %s | FileCheck %s
2
3source_filename = "test/Transforms/GlobalMerge/debug-info.ll"
4target datalayout = "e-p:64:64"
5target triple = "x86_64-unknown-linux-gnu"
6; CHECK: @_MergedGlobals = private global { i32, i32 } { i32 1, i32 2 }, !dbg [[A:![0-9]+]], !dbg [[B:![0-9]+]]
7
8@a = internal global i32 1, !dbg !0
9@b = internal global i32 2, !dbg !2
10
11define void @use1() {
12  %x = load i32, i32* @a
13  %y = load i32, i32* @b
14  ret void
15}
16; CHECK: [[A]] = !DIGlobalVariableExpression(var: [[AVAR:![0-9]+]])
17; CHECK: [[AVAR]] = !DIGlobalVariable(name: "a", scope: null, isLocal: false, isDefinition: true)
18; CHECK: [[B]] = !DIGlobalVariableExpression(var: [[BVAR:![0-9]+]], expr: [[EXPR:![0-9]+]])
19; CHECK: [[BVAR]] = !DIGlobalVariable(name: "b", scope: null, isLocal: false, isDefinition: true)
20; CHECK: [[EXPR]] = !DIExpression(DW_OP_plus, 4)
21
22!llvm.module.flags = !{!4, !5}
23
24!0 = !DIGlobalVariableExpression(var: !1)
25!1 = !DIGlobalVariable(name: "a", scope: null, isLocal: false, isDefinition: true)
26!2 = !DIGlobalVariableExpression(var: !3)
27!3 = !DIGlobalVariable(name: "b", scope: null, isLocal: false, isDefinition: true)
28!4 = !{i32 2, !"Debug Info Version", i32 3}
29!5 = !{i32 2, !"Dwarf Version", i32 4}
30
31