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RUN: llvm-dwarfdump %p/Inputs/dwarfdump-dwp.x86_64.o | FileCheck %s

; Testing the following simple dwp file:
; a.cpp:
;   struct foo { };
;   foo a;
; b.cpp:
;   struct bar { };
;   bar b() {
;   }

; CHECK-LABEL: .debug_info.dwo contents:
; CHECK: Compile Unit

; Verify that the second CU uses the index for its abbrev offset
; CHECK: Compile Unit
; CHECK-SAME: abbr_offset = 0x0043
; CHECK: DW_TAG_compile_unit
; CHECK-NOT: DW_TAG
; CHECK:   DW_AT_name {{.*}} "b.cpp"

; Verify that abbreviations are decoded using the abbrev offset in the index
; CHECK:   DW_TAG_structure_type
; CHECK:   DW_TAG_subprogram

; CHECK-LABEL: .debug_types.dwo contents:
; CHECK: Type Unit
; CHECK:   DW_TAG_type_unit
; CHECK:     DW_AT_stmt_list {{.*}}(0x00000000)
; CHECK:     DW_TAG_structure_type
; CHECK:       DW_AT_decl_file {{.*}} ("a.cpp")
; CHECK: Type Unit
; CHECK:   DW_TAG_type_unit
; CHECK:     DW_AT_stmt_list {{.*}}(0x00000000)
; CHECK:     DW_TAG_structure_type
; CHECK:       DW_AT_decl_file {{.*}} ("b.cpp")

; CHECK: .debug_cu_index contents:
; CHECK-NEXT: version = 2 slots = 16
; CHECK:      Index Signature          INFO                     ABBREV                   LINE                     STR_OFFSETS
; CHECK-NEXT: ----- ------------------ ------------------------ ------------------------ ------------------------ ------------------------
; CHECK-NEXT:     3 0xfef104c25502f092 [0x0000002d, 0x0000005f) [0x00000043, 0x0000008e) [0x0000001a, 0x00000034) [0x00000010, 0x00000024)
; CHECK-NEXT:     9 0x03c30756e2d45008 [0x00000000, 0x0000002d) [0x00000000, 0x00000043) [0x00000000, 0x0000001a) [0x00000000, 0x00000010)

; CHECK: .debug_tu_index contents:
; CHECK-NEXT: version = 2 slots = 16
; CHECK:      Index Signature          TYPES                    ABBREV                   LINE                     STR_OFFSETS
; CHECK-NEXT: ----- ------------------ ------------------------ ------------------------ ------------------------ ------------------------
; CHECK-NEXT:     9 0x1d02f3be30cc5688 [0x00000024, 0x00000048) [0x00000043, 0x0000008e) [0x0000001a, 0x00000034) [0x00000010, 0x00000024)
; CHECK-NEXT:    13 0x3875c0e21cda63fc [0x00000000, 0x00000024) [0x00000000, 0x00000043) [0x00000000, 0x0000001a) [0x00000000, 0x00000010)

; TODO: use the index section offset info to correctly dump strings in debug info
; TODO: use the index section offset info to correctly dump file names in debug info