1 ; REQUIRES: object-emission 2 3 ; RUN: %llc_dwarf -O0 -filetype=obj < %s > %t 4 ; RUN: llvm-dwarfdump %t | FileCheck %s 5 6 ; Check that pointers and references get emitted without size information in 7 ; DWARF, even if they are so specified in the IR 8 9 ; CHECK: 0x[[O1:[0-9a-f]+]]: DW_TAG_pointer_type 10 ; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] 11 ; CHECK-NOT: DW_AT_byte_size 12 ; CHECK: 0x[[O2:[0-9a-f]+]]: DW_TAG_ 13 14 ; CHECK: 0x[[O3:[0-9a-f]+]]: DW_TAG_reference_type 15 ; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] 16 ; CHECK-NOT: DW_AT_byte_size 17 18 define i32 @foo() !dbg !4 { 19 entry: 20 ret i32 0, !dbg !13 21 } 22 23 define i32 @bar() !dbg !5 { 24 entry: 25 ret i32 0, !dbg !16 26 } 27 28 !llvm.dbg.cu = !{!0} 29 !llvm.module.flags = !{!11, !12} 30 31 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang", isOptimized: false, runtimeVersion: 0, emissionKind: 0, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2) 32 !1 = !DIFile(filename: "dwarf-test.c", directory: "test") 33 !2 = !{} 34 !3 = !{!4, !5} 35 !4 = distinct !DISubprogram(name: "foo", scope: !0, file: !1, line: 6, type: !6, isLocal: false, isDefinition: true, scopeLine: 6, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, variables: !2) 36 !5 = distinct !DISubprogram(name: "bar", scope: !0, file: !1, line: 6, type: !15, isLocal: false, isDefinition: true, scopeLine: 6, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, variables: !2) 37 !6 = !DISubroutineType(types: !7) 38 !7 = !{!9} 39 !8 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 40 !9 = !DIDerivedType(tag: DW_TAG_pointer_type, scope: !0, baseType: !8, size: 64, align: 64) 41 !10 = !DIDerivedType(tag: DW_TAG_reference_type, scope: !0, baseType: !8, size: 64, align: 64) 42 !11 = !{i32 2, !"Dwarf Version", i32 3} 43 !12 = !{i32 1, !"Debug Info Version", i32 3} 44 !13 = !DILocation(line: 7, scope: !4) 45 !14 = !{!10} 46 !15 = !DISubroutineType(types: !14) 47 !16 = !DILocation(line: 7, scope: !5) 48
