1 ; RUN: llc -mtriple=s390x-linux-gnu -disable-fp-elim < %s | FileCheck %s 2 ; RUN: llc -mtriple=s390x-linux-gnu -disable-fp-elim -filetype=obj < %s \ 3 ; RUN: | llvm-dwarfdump -debug-dump=info - | FileCheck --check-prefix=DEBUG %s 4 ; 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. 8 ; 9 ; First make sure main_arr is where we expect it: %r11 + 164 10 ; 11 ; CHECK: main: 12 ; CHECK: aghi %r15, -568 13 ; CHECK: la %r2, 164(%r11) 14 ; CHECK: brasl %r14, populate_array@PLT 15 16 ; DEBUG: DW_TAG_variable 17 ; Rather hard-coded, but 0x91 => DW_OP_fbreg and 0xa401 is SLEB128 encoded 164. 18 ; DEBUG-NOT: DW_TAG 19 ; DEBUG: DW_AT_location {{.*}}(<0x3> 91 a4 01 ) 20 ; DEBUG-NOT: DW_TAG 21 ; DEBUG: DW_AT_name {{.*}} "main_arr" 22 23 24 @.str = private unnamed_addr constant [13 x i8] c"Total is %d\0A\00", align 2 25 26 declare void @populate_array(i32*, i32) nounwind 27 28 declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone 29 30 declare i32 @sum_array(i32*, i32) nounwind 31 32 define i32 @main() nounwind !dbg !14 { 33 entry: 34 %retval = alloca i32, align 4 35 %main_arr = alloca [100 x i32], align 4 36 %val = alloca i32, align 4 37 store volatile i32 0, i32* %retval 38 call void @llvm.dbg.declare(metadata [100 x i32]* %main_arr, metadata !17, metadata !DIExpression()), !dbg !22 39 call void @llvm.dbg.declare(metadata i32* %val, metadata !23, metadata !DIExpression()), !dbg !24 40 %arraydecay = getelementptr inbounds [100 x i32], [100 x i32]* %main_arr, i32 0, i32 0, !dbg !25 41 call void @populate_array(i32* %arraydecay, i32 100), !dbg !25 42 %arraydecay1 = getelementptr inbounds [100 x i32], [100 x i32]* %main_arr, i32 0, i32 0, !dbg !26 43 %call = call i32 @sum_array(i32* %arraydecay1, i32 100), !dbg !26 44 store i32 %call, i32* %val, align 4, !dbg !26 45 %0 = load i32, i32* %val, align 4, !dbg !27 46 %call2 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i32 0, i32 0), i32 %0), !dbg !27 47 ret i32 0, !dbg !28 48 } 49 50 declare i32 @printf(i8*, ...) 51 52 !llvm.dbg.cu = !{!0} 53 !llvm.module.flags = !{!30} 54 55 !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.2 ", isOptimized: false, emissionKind: 0, file: !29, enums: !1, retainedTypes: !1, subprograms: !3, globals: !1, imports: !1) 56 !1 = !{} 57 !3 = !{!5, !11, !14} 58 !5 = distinct !DISubprogram(name: "populate_array", line: 4, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 4, file: !29, scope: !6, type: !7, variables: !1) 59 !6 = !DIFile(filename: "simple.c", directory: "/home/timnor01/a64-trunk/build") 60 !7 = !DISubroutineType(types: !8) 61 !8 = !{null, !9, !10} 62 !9 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !10) 63 !10 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 64 !11 = distinct !DISubprogram(name: "sum_array", line: 9, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 9, file: !29, scope: !6, type: !12, variables: !1) 65 !12 = !DISubroutineType(types: !13) 66 !13 = !{!10, !9, !10} 67 !14 = distinct !DISubprogram(name: "main", line: 18, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 18, file: !29, scope: !6, type: !15, variables: !1) 68 !15 = !DISubroutineType(types: !16) 69 !16 = !{!10} 70 !17 = !DILocalVariable(name: "main_arr", line: 19, scope: !18, file: !6, type: !19) 71 !18 = distinct !DILexicalBlock(line: 18, column: 16, file: !29, scope: !14) 72 !19 = !DICompositeType(tag: DW_TAG_array_type, size: 3200, align: 32, baseType: !10, elements: !{!20}) 73 !20 = !DISubrange(count: 99) 74 !22 = !DILocation(line: 19, column: 7, scope: !18) 75 !23 = !DILocalVariable(name: "val", line: 20, scope: !18, file: !6, type: !10) 76 !24 = !DILocation(line: 20, column: 7, scope: !18) 77 !25 = !DILocation(line: 22, column: 3, scope: !18) 78 !26 = !DILocation(line: 23, column: 9, scope: !18) 79 !27 = !DILocation(line: 24, column: 3, scope: !18) 80 !28 = !DILocation(line: 26, column: 3, scope: !18) 81 !29 = !DIFile(filename: "simple.c", directory: "/home/timnor01/a64-trunk/build") 82 !30 = !{i32 1, !"Debug Info Version", i32 3} 83
