1 ; RUN: llc -mtriple=s390x-linux-gnu -frame-pointer=all < %s | FileCheck %s
2 ; RUN: llc -mtriple=s390x-linux-gnu -frame-pointer=all -filetype=obj < %s \
3 ; RUN: | llvm-dwarfdump -v -debug-info - | FileCheck --check-prefix=DEBUG %s
5 ; This is a regression test making sure the location of variables is correct in
6 ; debugging information, even if they're addressed via the frame pointer.
7 ; Originally a copy of the AArch64 test, commandeered for SystemZ.
9 ; First make sure main_arr is where we expect it: %r11 + 164
12 ; CHECK: aghi %r15, -568
13 ; CHECK: la %r2, 168(%r11)
14 ; CHECK: brasl %r14, populate_array@PLT
16 ; DEBUG: DW_TAG_variable
18 ; DEBUG: DW_AT_location {{.*}}(DW_OP_fbreg +168)
20 ; DEBUG: DW_AT_name {{.*}} "main_arr"
23 @.str = private unnamed_addr constant [13 x i8] c"Total is %d\0A\00", align 2
25 declare void @populate_array(ptr, i32) nounwind
27 declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
29 declare i32 @sum_array(ptr, i32) nounwind
31 define i32 @main() nounwind !dbg !14 {
33 %retval = alloca i32, align 4
34 %main_arr = alloca [100 x i32], align 4
35 %val = alloca i32, align 4
36 store volatile i32 0, ptr %retval
37 call void @llvm.dbg.declare(metadata ptr %main_arr, metadata !17, metadata !DIExpression()), !dbg !22
38 call void @llvm.dbg.declare(metadata ptr %val, metadata !23, metadata !DIExpression()), !dbg !24
39 call void @populate_array(ptr %main_arr, i32 100), !dbg !25
40 %call = call i32 @sum_array(ptr %main_arr, i32 100), !dbg !26
41 store i32 %call, ptr %val, align 4, !dbg !26
42 %0 = load i32, ptr %val, align 4, !dbg !27
43 %call2 = call i32 (ptr, ...) @printf(ptr @.str, i32 %0), !dbg !27
47 declare i32 @printf(ptr, ...)
50 !llvm.module.flags = !{!30}
52 !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.2 ", isOptimized: false, emissionKind: FullDebug, file: !29, enums: !1, retainedTypes: !1, globals: !1, imports: !1)
54 !5 = distinct !DISubprogram(name: "populate_array", line: 4, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 4, file: !29, scope: !6, type: !7, retainedNodes: !1)
55 !6 = !DIFile(filename: "simple.c", directory: "/home/timnor01/a64-trunk/build")
56 !7 = !DISubroutineType(types: !8)
58 !9 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !10)
59 !10 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
60 !11 = distinct !DISubprogram(name: "sum_array", line: 9, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 9, file: !29, scope: !6, type: !12, retainedNodes: !1)
61 !12 = !DISubroutineType(types: !13)
63 !14 = distinct !DISubprogram(name: "main", line: 18, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 18, file: !29, scope: !6, type: !15, retainedNodes: !1)
64 !15 = !DISubroutineType(types: !16)
66 !17 = !DILocalVariable(name: "main_arr", line: 19, scope: !18, file: !6, type: !19)
67 !18 = distinct !DILexicalBlock(line: 18, column: 16, file: !29, scope: !14)
68 !19 = !DICompositeType(tag: DW_TAG_array_type, size: 3200, align: 32, baseType: !10, elements: !{!20})
69 !20 = !DISubrange(count: 99)
70 !22 = !DILocation(line: 19, column: 7, scope: !18)
71 !23 = !DILocalVariable(name: "val", line: 20, scope: !18, file: !6, type: !10)
72 !24 = !DILocation(line: 20, column: 7, scope: !18)
73 !25 = !DILocation(line: 22, column: 3, scope: !18)
74 !26 = !DILocation(line: 23, column: 9, scope: !18)
75 !27 = !DILocation(line: 24, column: 3, scope: !18)
76 !28 = !DILocation(line: 26, column: 3, scope: !18)
77 !29 = !DIFile(filename: "simple.c", directory: "/home/timnor01/a64-trunk/build")
78 !30 = !{i32 1, !"Debug Info Version", i32 3}