llvm/test/DebugInfo/2010-03-19-DbgDeclare.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

20 lines
887 B
LLVM

; RUN: opt < %s -verify -S | FileCheck %s
; CHECK: [DW_LANG_Mips_Assembler]
define void @Foo(i32 %a, i32 %b) {
entry:
call void @llvm.dbg.declare(metadata !{i32* null}, metadata !1, metadata !{metadata !"0x102"})
ret void
}
!llvm.dbg.cu = !{!2}
!llvm.module.flags = !{!5}
!2 = metadata !{metadata !"0x11\0032769\00clang version 3.3 \000\00\000\00\001", metadata !4, metadata !3, metadata !3, metadata !3, metadata !3, metadata !3} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/blaikie/dev/scratch/scratch.cpp] [lang 0x8001]
!3 = metadata !{}
!0 = metadata !{i32 662302, i32 26, metadata !1, null}
!1 = metadata !{i32 4, metadata !"foo"}
!4 = metadata !{metadata !"scratch.cpp", metadata !"/usr/local/google/home/blaikie/dev/scratch"}
declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
!5 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}