| ; RUN: %llc_dwarf -O0 -filetype=obj < %s > %t |
| ; RUN: llvm-dwarfdump -v %t | FileCheck %s |
| |
| ; Check that pointers and references get emitted without size information in |
| ; DWARF, even if they are so specified in the IR |
| |
| ; CHECK: 0x[[O1:[0-9a-f]+]]: DW_TAG_pointer_type |
| ; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] |
| ; CHECK-NOT: DW_AT_byte_size |
| ; CHECK: 0x[[O2:[0-9a-f]+]]: DW_TAG_ |
| |
| ; CHECK: 0x[[O3:[0-9a-f]+]]: DW_TAG_reference_type |
| ; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] |
| ; CHECK-NOT: DW_AT_byte_size |
| |
| define i32 @foo() !dbg !4 { |
| entry: |
| ret i32 0, !dbg !13 |
| } |
| |
| define i32 @bar() !dbg !5 { |
| entry: |
| ret i32 0, !dbg !16 |
| } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!11, !12} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !2, imports: !2) |
| !1 = !DIFile(filename: "dwarf-test.c", directory: "test") |
| !2 = !{} |
| !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, unit: !0, retainedNodes: !2) |
| !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, unit: !0, retainedNodes: !2) |
| !6 = !DISubroutineType(types: !7) |
| !7 = !{!9} |
| !8 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) |
| !9 = !DIDerivedType(tag: DW_TAG_pointer_type, scope: !0, baseType: !8, size: 64, align: 64) |
| !10 = !DIDerivedType(tag: DW_TAG_reference_type, scope: !0, baseType: !8, size: 64, align: 64) |
| !11 = !{i32 2, !"Dwarf Version", i32 3} |
| !12 = !{i32 1, !"Debug Info Version", i32 3} |
| !13 = !DILocation(line: 7, scope: !4) |
| !14 = !{!10} |
| !15 = !DISubroutineType(types: !14) |
| !16 = !DILocation(line: 7, scope: !5) |