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88c4ea2b5f
This is a better fix than r308708 for the problem introduced in r304020. It restores the skeleton CU testcases modified by that commit to their original form and most importantly ensures that frontend-generated skeleton CUs (such as used to point to Clang modules) come after the regular CUs. This broke for DICompileUnit nodes that don't have any immediate children because they are now constructed lazily instead of the order in which they are listed in !llvm.dbg.cu. After this commit we still don't guarantee that order, but we do guarantee that empty skeletons come last. Shipping versions of LLDB are very sensitive to the ordering of CUs. I'll track a fix for LLDB to be more permissive separately. This fixes a test failure in the LLDB testsuite. rdar://problem/33357252 llvm-svn: 309154
17 lines
676 B
LLVM
17 lines
676 B
LLVM
; RUN: %llc_dwarf %s -filetype=obj -o %t
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; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s
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; CHECK: DW_TAG_compile_unit
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; CHECK: DW_AT_GNU_dwo_id {{.*}}abcd
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; CHECK: DW_AT_GNU_dwo_name {{.*}}"my.dwo"
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; REQUIRES: default_triple
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "LLVM", isOptimized: false, runtimeVersion: 2, splitDebugFilename: "my.dwo", emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !2, imports: !2, dwoId: 43981)
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!1 = !DIFile(filename: "<stdin>", directory: "/")
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!2 = !{}
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!3 = !{i32 2, !"Dwarf Version", i32 4}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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