| ; Generated from the following source compiled with clang++ -gmlt: |
| ; void f1() {} |
| ; void __attribute__((section("__TEXT,__bar"))) f2() {} |
| ; void __attribute__((always_inline)) f3() { f1(); } |
| ; void f4() { f3(); } |
| |
| ; Check that |
| ; * -gmlt includes no DW_TAG_subprograms for subprograms without inlined |
| ; subroutines. |
| ; * yet still produces DW_AT_ranges and a range list in debug_ranges that |
| ; describes those subprograms |
| |
| ; CHECK: DW_TAG_compile_unit |
| ; CHECK: DW_AT_ranges [DW_FORM_sec_offset] (0x00000000 |
| ; CHECK-NOT: {{DW_TAG|NULL}} |
| |
| ; Omitting the subprograms without inlined subroutines is not possible |
| ; currently on Darwin as dsymutil will drop the whole CU if it has no subprograms |
| ; (which happens with this optimization if there are no inlined subroutines). |
| |
| ; DARWIN: DW_TAG_subprogram |
| ; DARWIN-NOT: DW_TAG |
| ; DARWIN: DW_AT_name {{.*}} "f1" |
| ; DARWIN-NOT: {{DW_TAG|NULL}} |
| ; DARWIN: DW_TAG_subprogram |
| ; DARWIN-NOT: DW_TAG |
| ; DARWIN: DW_AT_name {{.*}} "f2" |
| ; DARWIN-NOT: {{DW_TAG|NULL}} |
| ; DARWIN: DW_TAG_subprogram |
| ; DARWIN-NOT: DW_TAG |
| ; Can't check the abstract_origin value across the DARWIN/CHECK checking and |
| ; ordering, so don't bother - just trust me, it refers to f3 down there. |
| ; DARWIN: DW_AT_abstract_origin |
| ; DARWIN-NOT: {{DW_TAG|NULL}} |
| |
| |
| ; FIXME: Emitting separate abstract definitions is inefficient when we could |
| ; just attach the DW_AT_name to the inlined_subroutine directly. Except that |
| ; would produce many string relocations. Implement string indexing in the |
| ; skeleton CU to address the relocation problem, then remove abstract |
| ; definitions from -gmlt here. |
| |
| ; CHECK: DW_TAG_subprogram |
| ; CHECK-NEXT: DW_AT_name {{.*}}"f3" |
| ; CHECK-NEXT: DW_AT_inline |
| |
| ; Check that we only provide the minimal attributes on a subprogram to save space. |
| ; CHECK: DW_TAG_subprogram |
| ; CHECK-NEXT: DW_AT_low_pc |
| ; CHECK-NEXT: DW_AT_high_pc |
| ; CHECK-NEXT: DW_AT_name |
| ; CHECK-NOT: {{DW_TAG|DW_AT}} |
| ; CHECK: DW_TAG_inlined_subroutine |
| |
| ; As mentioned above - replace DW_AT_abstract_origin with DW_AT_name to save |
| ; space once we have support for string indexing in non-dwo sections |
| |
| ; CHECK-NEXT: DW_AT_abstract_origin {{.*}} "f3" |
| ; CHECK-NEXT: DW_AT_low_pc |
| ; CHECK-NEXT: DW_AT_high_pc |
| ; CHECK-NEXT: DW_AT_call_file |
| ; CHECK-NEXT: DW_AT_call_line |
| ; CHECK-NEXT: DW_AT_call_column |
| |
| ; Make sure we don't have any other subprograms here (subprograms with no |
| ; inlined subroutines are omitted by design to save space) |
| |
| ; CHECK-NOT: {{DW_TAG|DW_AT}} |
| ; CHECK: NULL |
| ; CHECK-NOT: {{DW_TAG|DW_AT}} |
| ; CHECK: NULL |
| |
| ; CHECK: .debug_ranges contents: |
| |
| ; ... some addresses (depends on platform (such as platforms with function |
| ; reordering in the linker), and looks wonky on platforms with zero values |
| ; written in relocation places (dumper needs to be fixed to read the |
| ; relocations rather than interpret that as the end of a range list)) |
| |
| ; CHECK: 00000000 <End of list> |
| |
| |
| ; Check that we don't emit any pubnames or pubtypes under -gmlt |
| ; CHECK-NOT: .debug_pubnames contents: |
| ; CHECK-NOT: .debug_pubtypes contents: |
| |
| ; Function Attrs: nounwind uwtable |
| define void @_Z2f1v() #0 !dbg !4 { |
| entry: |
| ret void, !dbg !13 |
| } |
| |
| ; Function Attrs: nounwind uwtable |
| define void @_Z2f2v() #0 section "__TEXT,__bar" !dbg !7 { |
| entry: |
| ret void, !dbg !14 |
| } |
| |
| ; Function Attrs: alwaysinline nounwind uwtable |
| define void @_Z2f3v() #1 !dbg !8 { |
| entry: |
| call void @_Z2f1v(), !dbg !15 |
| ret void, !dbg !16 |
| } |
| |
| ; Function Attrs: nounwind uwtable |
| define void @_Z2f4v() #0 !dbg !9 { |
| entry: |
| call void @_Z2f1v() #2, !dbg !17 |
| ret void, !dbg !19 |
| } |
| |
| attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| attributes #1 = { alwaysinline nounwind uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| attributes #2 = { nounwind } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!10, !11} |
| !llvm.ident = !{!12} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.6.0 ", isOptimized: false, emissionKind: LineTablesOnly, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2) |
| !1 = !DIFile(filename: "gmlt.cpp", directory: "/tmp/dbginfo") |
| !2 = !{} |
| !4 = distinct !DISubprogram(name: "f1", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !6, retainedNodes: !2) |
| !5 = !DIFile(filename: "gmlt.cpp", directory: "/tmp/dbginfo") |
| !6 = !DISubroutineType(types: !2) |
| !7 = distinct !DISubprogram(name: "f2", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 2, file: !1, scope: !5, type: !6, retainedNodes: !2) |
| !8 = distinct !DISubprogram(name: "f3", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 3, file: !1, scope: !5, type: !6, retainedNodes: !2) |
| !9 = distinct !DISubprogram(name: "f4", line: 4, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 4, file: !1, scope: !5, type: !6, retainedNodes: !2) |
| !10 = !{i32 2, !"Dwarf Version", i32 4} |
| !11 = !{i32 2, !"Debug Info Version", i32 3} |
| !12 = !{!"clang version 3.6.0 "} |
| !13 = !DILocation(line: 1, column: 12, scope: !4) |
| !14 = !DILocation(line: 2, column: 53, scope: !7) |
| !15 = !DILocation(line: 3, column: 44, scope: !8) |
| !16 = !DILocation(line: 3, column: 50, scope: !8) |
| !17 = !DILocation(line: 3, column: 44, scope: !8, inlinedAt: !18) |
| !18 = !DILocation(line: 4, column: 13, scope: !9) |
| !19 = !DILocation(line: 4, column: 19, scope: !9) |