1 ; RUN: llc -mtriple=x86_64-apple-darwin %s -o - -filetype=obj | \
2 ; RUN: llvm-dwarfdump --name i --name indirect - | FileCheck %s
4 ; This is a hand-crafted testcase generated from:
8 ; CHECK: DW_TAG_variable
9 ; CHECK: DW_AT_name ("i")
10 ; CHECK: DW_AT_location (DW_OP_addr 0x8, DW_OP_deref)
11 ; CHECK: DW_TAG_variable
12 ; CHECK: DW_AT_name ("indirect")
13 ; CHECK: DW_AT_location (DW_OP_addr 0x8
15 source_filename = "global-deref.c"
16 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
17 target triple = "x86_64-apple-macosx10.13.0"
19 @i = global i32 23, align 4
20 @indirect = global i32* @i, align 8, !dbg !6, !dbg !0, !dbg !14, !dbg !15, !dbg !16
23 !llvm.module.flags = !{!10, !11, !12, !13}
25 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression(DW_OP_deref))
26 !1 = distinct !DIGlobalVariable(name: "i", scope: !2, file: !3, line: 1, type: !9, isLocal: false, isDefinition: true)
27 !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
28 !3 = !DIFile(filename: "global-deref.c", directory: "/")
31 !6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression())
32 !7 = distinct !DIGlobalVariable(name: "indirect", scope: !2, file: !3, line: 2, type: !8, isLocal: false, isDefinition: true)
33 !8 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 64)
34 !9 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
35 !10 = !{i32 2, !"Dwarf Version", i32 4}
36 !11 = !{i32 2, !"Debug Info Version", i32 3}
37 !12 = !{i32 1, !"wchar_size", i32 4}
38 !13 = !{i32 7, !"PIC Level", i32 2}
39 ; This is malformed, but too expensive to detect in the verifier.
40 !14 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression())
41 !15 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression(DW_OP_LLVM_fragment, 0, 1))
42 !16 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression(DW_OP_deref, DW_OP_constu, 1, DW_OP_plus, DW_OP_stack_value))