llvm-6502/test/DebugInfo/X86/enum-fwd-decl.ll
Duncan P. N. Exon Smith 83902832de Revert "Revert "DI: Fold constant arguments into a single MDString""
This reverts commit r218918, effectively reapplying r218914 after fixing
an Ocaml bindings test and an Asan crash.  The root cause of the latter
was a tightened-up check in `DILexicalBlock::Verify()`, so I'll file a
PR to investigate who requires the loose check (and why).

Original commit message follows.

--

This patch addresses the first stage of PR17891 by folding constant
arguments together into a single MDString.  Integers are stringified and
a `\0` character is used as a separator.

Part of PR17891.

Note: I've attached my testcases upgrade scripts to the PR.  If I've
just broken your out-of-tree testcases, they might help.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219010 91177308-0d34-0410-b5e6-96231b3b80d8
2014-10-03 20:01:09 +00:00

22 lines
1.1 KiB
LLVM

; RUN: llc -O0 -mtriple=x86_64-apple-darwin %s -o %t -filetype=obj
; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s
@e = global i16 0, align 2
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!9}
!0 = metadata !{metadata !"0x11\004\00clang version 3.2 (trunk 165274) (llvm/trunk 165272)\000\00\000\00\000", metadata !8, metadata !1, metadata !1, metadata !1, metadata !3, metadata !1} ; [ DW_TAG_compile_unit ] [/tmp/foo.cpp] [DW_LANG_C_plus_plus]
!1 = metadata !{}
!3 = metadata !{metadata !5}
!5 = metadata !{metadata !"0x34\00e\00e\00\002\000\001", null, metadata !6, metadata !7, i16* @e, null} ; [ DW_TAG_variable ] [e] [line 2] [def]
!6 = metadata !{metadata !"0x29", metadata !8} ; [ DW_TAG_file_type ]
!7 = metadata !{metadata !"0x4\00E\001\0016\0016\000\004\000", metadata !8, null, null, null, null, null, null} ; [ DW_TAG_enumeration_type ] [E] [line 1, size 16, align 16, offset 0] [decl] [from ]
!8 = metadata !{metadata !"foo.cpp", metadata !"/tmp"}
; CHECK: DW_TAG_enumeration_type
; CHECK-NEXT: DW_AT_name
; CHECK-NEXT: DW_AT_byte_size
; CHECK-NEXT: DW_AT_declaration
!9 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}