116 lines
4.7 KiB
LLVM
116 lines
4.7 KiB
LLVM
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; RUN: llc -dwarf-version=4 -generate-type-units \
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; RUN: -filetype=obj -O0 -mtriple=wasm32-unknown-unknown < %s \
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; RUN: | llvm-dwarfdump -v - | FileCheck %s --check-prefix=SINGLE-4
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; RUN: llc -split-dwarf-file=foo.dwo -split-dwarf-output=%t.dwo \
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; RUN: -dwarf-version=4 -generate-type-units \
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; RUN: -filetype=obj -O0 -mtriple=wasm32-unknown-unknown < %s \
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; RUN: | llvm-dwarfdump -v - | FileCheck %s --check-prefix=O-4
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; RUN: llvm-dwarfdump -v %t.dwo | FileCheck %s --check-prefix=DWO-4
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; RUN: llc -dwarf-version=5 -generate-type-units \
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; RUN: -filetype=obj -O0 -mtriple= < %s \
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; RUN: | llvm-dwarfdump -v - | FileCheck %s --check-prefix=SINGLE-5
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; RUN: llc -split-dwarf-file=foo.dwo -split-dwarf-output=%t.dwo \
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; RUN: -dwarf-version=5 -generate-type-units \
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; RUN: -filetype=obj -O0 -mtriple= < %s \
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; RUN: | llvm-dwarfdump -v - | FileCheck %s --check-prefix=O-5
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; RUN: llvm-dwarfdump -v %t.dwo | FileCheck %s --check-prefix=DWO-5
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; This test is derived from test/CodeGen/X86/dwarf-headers.ll
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; Looking for DWARF headers to be generated correctly.
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; There are 8 variants with 5 formats: v4 CU, v4 TU, v5 normal/partial CU,
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; v5 skeleton/split CU, v5 normal/split TU. Some v5 variants differ only
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; in the unit_type code, and the skeleton/split CU differs from normal/partial
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; by having one extra field (dwo_id).
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; (v2 thru v4 CUs are all the same, and TUs were invented in v4,
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; so we don't bother checking older versions.)
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; Test case built from:
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;struct S {
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; int s1;
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;};
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;
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;S s;
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; Verify the v4 non-split headers.
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; Note that we check the exact offset of the DIEs because that tells us
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; the length of the header.
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;
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; SINGLE-4: .debug_info contents:
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; SINGLE-4: 0x00000000: Compile Unit: {{.*}} version = 0x0004, abbr_offset
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; SINGLE-4: 0x0000000b: DW_TAG_compile_unit
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;
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; SINGLE-4: .debug_types contents:
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; SINGLE-4: 0x00000000: Type Unit: {{.*}} version = 0x0004, abbr_offset
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; SINGLE-4: 0x00000017: DW_TAG_type_unit
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; Verify the v4 split headers.
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;
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; O-4: .debug_info contents:
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; O-4: 0x00000000: Compile Unit: {{.*}} version = 0x0004, abbr_offset
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; O-4: 0x0000000b: DW_TAG_compile_unit
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;
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; DWO-4: .debug_info.dwo contents:
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; DWO-4: 0x00000000: Compile Unit: {{.*}} version = 0x0004, abbr_offset
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; DWO-4: 0x0000000b: DW_TAG_compile_unit
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;
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; DWO-4: .debug_types.dwo contents:
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; DWO-4: 0x00000000: Type Unit: {{.*}} version = 0x0004, abbr_offset
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; DWO-4: 0x00000017: DW_TAG_type_unit
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; Verify the v5 non-split headers. Type units come first.
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; All .debug_info sections are reported in one go, but the offset resets for
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; each new section.
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;
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; SINGLE-5: .debug_info contents:
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; SINGLE-5: 0x00000000: Type Unit: {{.*}} version = 0x0005, unit_type = DW_UT_type, abbr_offset
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; SINGLE-5: 0x00000018: DW_TAG_type_unit
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; SINGLE-5-NOT: contents:
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; SINGLE-5: 0x00000000: Compile Unit: {{.*}} version = 0x0005, unit_type = DW_UT_compile, abbr_offset
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; SINGLE-5: 0x0000000c: DW_TAG_compile_unit
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; Verify the v5 split headers.
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;
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; O-5: .debug_info contents:
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; O-5: 0x00000000: Compile Unit: {{.*}} version = 0x0005, unit_type = DW_UT_skeleton, abbr_offset
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; O-5-SAME: DWO_id = 0xccd7e58ef8bf4aa6
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; O-5: 0x00000014: DW_TAG_skeleton_unit
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;
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; DWO-5: .debug_info.dwo contents:
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; DWO-5: 0x00000000: Type Unit: {{.*}} version = 0x0005, unit_type = DW_UT_split_type, abbr_offset
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; DWO-5: 0x00000018: DW_TAG_type_unit
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; DWO-5: 0x00000033: Compile Unit: {{.*}} version = 0x0005, unit_type = DW_UT_split_compile, abbr_offset
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; DWO-5-SAME: DWO_id = 0xccd7e58ef8bf4aa6
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; DWO-5: 0x00000047: DW_TAG_compile_unit
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; ModuleID = 't.cpp'
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source_filename = "t.cpp"
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-unknown-wasm"
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%struct.S = type { i32 }
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@s = global %struct.S zeroinitializer, align 4, !dbg !0
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!10, !11}
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!llvm.ident = !{!12}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = distinct !DIGlobalVariable(name: "s", scope: !2, file: !3, line: 5, type: !6, isLocal: false, isDefinition: true)
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!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 5.0.0 (trunk 295942)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
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!3 = !DIFile(filename: "t.cpp", directory: "/home/probinson/projects/scratch")
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!4 = !{}
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!5 = !{!0}
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!6 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "S", file: !3, line: 1, size: 32, elements: !7, identifier: "_ZTS1S")
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!7 = !{!8}
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!8 = !DIDerivedType(tag: DW_TAG_member, name: "s1", scope: !6, file: !3, line: 2, baseType: !9, size: 32)
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!9 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!10 = !{i32 2, !"Dwarf Version", i32 4}
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!11 = !{i32 2, !"Debug Info Version", i32 3}
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!12 = !{!"clang version 5.0.0 (trunk 295942)"}
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