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author | Stephen Hines <srhines@google.com> | 2014-12-01 14:51:49 -0800 |
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committer | Stephen Hines <srhines@google.com> | 2014-12-02 16:08:10 -0800 |
commit | 37ed9c199ca639565f6ce88105f9e39e898d82d0 (patch) | |
tree | 8fb36d3910e3ee4c4e1b7422f4f017108efc52f5 /test/DebugInfo/X86/fission-inline.ll | |
parent | d2327b22152ced7bc46dc629fc908959e8a52d03 (diff) | |
download | external_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.zip external_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.tar.gz external_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.tar.bz2 |
Update aosp/master LLVM for rebase to r222494.
Change-Id: Ic787f5e0124df789bd26f3f24680f45e678eef2d
Diffstat (limited to 'test/DebugInfo/X86/fission-inline.ll')
-rw-r--r-- | test/DebugInfo/X86/fission-inline.ll | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/test/DebugInfo/X86/fission-inline.ll b/test/DebugInfo/X86/fission-inline.ll new file mode 100644 index 0000000..29c770d --- /dev/null +++ b/test/DebugInfo/X86/fission-inline.ll @@ -0,0 +1,119 @@ +; RUN: llc -split-dwarf=Enable -O0 < %s -mtriple=x86_64-unknown-linux-gnu -filetype=obj | llvm-dwarfdump -debug-dump=info - | FileCheck %s + +; Test the emission of gmlt-like inlining information into the skeleton unit. +; This allows inline-aware symbolication/backtracing given only the linked +; executable, without needing access to the .dwos. + +; A simple example of inlining generated with clang -gsplit-dwarf + +; A member function is used to force emission of the declaration of the +; function into the .dwo file, which may be shared with other CUs in the dwo ; +; under fission, but should not be shared with the skeleton's CU. This also +; tests the general case of context emission, which is suppressed in gmlt-like +; data. + +; Include a template just to test template parameters are not emitted in +; gmlt-like data. + +; And some varargs to make sure DW_TAG_unspecified_parameters is not emitted. + +; And a using declaration in a nested lexical_block... because that shouldn't +; be emitted either. + +; Minor complication: after generating the LLVM IR, it was manually edited so +; that the 'f1()' call from f3 was reordered to appear between the two inlined +; f1 calls from f2. This causes f2's inlined_subroutine to use DW_AT_ranges, +; thus exercising range list generation/referencing which was buggy. + +; struct foo { +; template<typename T> +; static void f2(); +; static void f3(...); +; }; +; +; void f1(); +; +; template<typename T> +; inline __attribute__((always_inline)) void foo::f2() { +; f1(); +; f1(); +; } +; +; void foo::f3(...) { +; if (true) { +; f1(); +; f2<int>(); +; using ::foo; +; } +; } + +; Check that we emit the usual gmlt-like data for this file, including brief +; descriptions of subprograms with inlined scopes. + +; FIXME: Once tools support indexed addresses in the skeleton CU, we should use +; those (DW_FORM_addr would become DW_FORM_GNU_addr_index below) since those +; addresses will already be in the address pool anyway. + +; CHECK: DW_TAG_subprogram +; CHECK-NEXT: DW_AT_name {{.*}} "f2<int>" +; CHECK-NOT: DW_ +; CHECK: DW_TAG_subprogram +; CHECK-NEXT: DW_AT_low_pc [DW_FORM_addr] +; CHECK-NEXT: DW_AT_high_pc +; CHECK-NEXT: DW_AT_name {{.*}} "f3" +; CHECK-NOT: {{DW_|NULL}} +; CHECK: DW_TAG_inlined_subroutine +; CHECK-NEXT: DW_AT_abstract_origin {{.*}} "f2<int>" +; CHECK-NEXT: DW_AT_ranges +; CHECK-NEXT: DW_AT_call_file +; CHECK-NEXT: DW_AT_call_line {{.*}} (18) +; CHECK-NOT: DW_ + +; Function Attrs: uwtable +define void @_ZN3foo2f3Ez(...) #0 align 2 { +entry: + call void @_Z2f1v(), !dbg !26 + call void @_Z2f1v(), !dbg !25 + call void @_Z2f1v(), !dbg !28 + ret void, !dbg !29 +} + +declare void @_Z2f1v() #1 + +attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "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 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } + +!llvm.dbg.cu = !{!0} +!llvm.module.flags = !{!22, !23} +!llvm.ident = !{!24} + +!0 = metadata !{metadata !"0x11\004\00clang version 3.6.0 \000\00\000\00fission-inline.dwo\001", metadata !1, metadata !2, metadata !3, metadata !9, metadata !2, metadata !18} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/fission-inline.cpp] [DW_LANG_C_plus_plus] +!1 = metadata !{metadata !"fission-inline.cpp", metadata !"/tmp/dbginfo"} +!2 = metadata !{} +!3 = metadata !{metadata !4} +!4 = metadata !{metadata !"0x13\00foo\001\008\008\000\000\000", metadata !1, null, null, metadata !5, null, null, metadata !"_ZTS3foo"} ; [ DW_TAG_structure_type ] [foo] [line 1, size 8, align 8, offset 0] [def] [from ] +!5 = metadata !{metadata !6} +!6 = metadata !{metadata !"0x2e\00f3\00f3\00_ZN3foo2f3Ez\004\000\000\000\000\00256\000\004", metadata !1, metadata !"_ZTS3foo", metadata !7, null, null, null, null, null} ; [ DW_TAG_subprogram ] [line 4] [f3] +!7 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", null, null, null, metadata !8, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] +!8 = metadata !{null, null} +!9 = metadata !{metadata !10, metadata !11} +!10 = metadata !{metadata !"0x2e\00f3\00f3\00_ZN3foo2f3Ez\0015\000\001\000\000\00256\000\0015", metadata !1, metadata !"_ZTS3foo", metadata !7, null, void (...)* @_ZN3foo2f3Ez, null, metadata !6, metadata !2} ; [ DW_TAG_subprogram ] [line 15] [def] [f3] +!11 = metadata !{metadata !"0x2e\00f2<int>\00f2<int>\00_ZN3foo2f2IiEEvv\0010\000\001\000\000\00256\000\0010", metadata !1, metadata !"_ZTS3foo", metadata !12, null, null, metadata !14, metadata !17, metadata !2} ; [ DW_TAG_subprogram ] [line 10] [def] [f2<int>] +!12 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", null, null, null, metadata !13, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] +!13 = metadata !{null} +!14 = metadata !{metadata !15} +!15 = metadata !{metadata !"0x2f\00T\000\000", null, metadata !16, null} ; [ DW_TAG_template_type_parameter ] +!16 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed] +!17 = metadata !{metadata !"0x2e\00f2<int>\00f2<int>\00_ZN3foo2f2IiEEvv\0010\000\000\000\000\00256\000\0010", metadata !1, metadata !"_ZTS3foo", metadata !12, null, null, metadata !14, null, null} ; [ DW_TAG_subprogram ] [line 10] [f2<int>] +!18 = metadata !{metadata !19} +!19 = metadata !{metadata !"0x8\0019\00", metadata !20, metadata !"_ZTS3foo"} ; [ DW_TAG_imported_declaration ] +!20 = metadata !{metadata !"0xb\0016\0013\001", metadata !1, metadata !21} ; [ DW_TAG_lexical_block ] [/tmp/dbginfo/fission-inline.cpp] +!21 = metadata !{metadata !"0xb\0016\007\000", metadata !1, metadata !10} ; [ DW_TAG_lexical_block ] [/tmp/dbginfo/fission-inline.cpp] +!22 = metadata !{i32 2, metadata !"Dwarf Version", i32 4} +!23 = metadata !{i32 2, metadata !"Debug Info Version", i32 2} +!24 = metadata !{metadata !"clang version 3.6.0 "} +!25 = metadata !{i32 17, i32 5, metadata !20, null} +!26 = metadata !{i32 11, i32 3, metadata !11, metadata !27} +!27 = metadata !{i32 18, i32 5, metadata !20, null} +!28 = metadata !{i32 12, i32 3, metadata !11, metadata !27} +!29 = metadata !{i32 21, i32 1, metadata !10, null} |