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llvm-mirror/test/DebugInfo/X86/dbg-file-name.ll
Duncan P. N. Exon Smith c1be4794ba 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.

llvm-svn: 219010
2014-10-03 20:01:09 +00:00

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1.2 KiB
LLVM

; RUN: llc -enable-dwarf-directory -mtriple x86_64-apple-darwin10.0.0 < %s | FileCheck %s
; Radar 8884898
; CHECK: file 1 "simple.c"
declare i32 @printf(i8*, ...) nounwind
define i32 @main() nounwind {
ret i32 0
}
!llvm.dbg.cu = !{!2}
!llvm.module.flags = !{!12}
!1 = metadata !{metadata !"0x29", metadata !10} ; [ DW_TAG_file_type ]
!2 = metadata !{metadata !"0x11\001\00LLVM build 00\001\00\000\00\000", metadata !10, metadata !11, metadata !11, metadata !9, null, null} ; [ DW_TAG_compile_unit ]
!5 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", metadata !10, metadata !1} ; [ DW_TAG_base_type ]
!6 = metadata !{metadata !"0x2e\00main\00main\00main\009\000\001\000\006\00256\000\000", metadata !10, metadata !1, metadata !7, null, i32 ()* @main, null, null, null} ; [ DW_TAG_subprogram ]
!7 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", metadata !10, metadata !1, null, metadata !8, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!8 = metadata !{metadata !5}
!9 = metadata !{metadata !6}
!10 = metadata !{metadata !"simple.c", metadata !"/Users/manav/one/two"}
!11 = metadata !{i32 0}
!12 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}