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PR15149/r174304 improvement - print hex for unknown dwarf language codes & add a test case 

CR feedback from Rafael Espindola and Paul Robinson.

llvm-svn: 179664
This commit is contained in:
David Blaikie 2013-04-17 03:41:36 +00:00
parent c9e6e9ed2a
commit a205ea3151
2 changed files with 14 additions and 4 deletions
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9
llvm/lib/IR/DebugInfo.cpp
View File

@ -1054,8 +1054,13 @@ void DIScope::printInternal(raw_ostream &OS) const {
void DICompileUnit::printInternal(raw_ostream &OS) const {
DIScope::printInternal(OS);
if (const char *Lang = dwarf::LanguageString(getLanguage()))
OS << " [" << Lang << ']';
OS << " [";
unsigned Lang = getLanguage();
if (const char *LangStr = dwarf::LanguageString(Lang))
OS << LangStr;
else
(OS << "lang 0x").write_hex(Lang);
OS << ']';
}
void DIEnumerator::printInternal(raw_ostream &OS) const {

9
llvm/test/DebugInfo/2010-03-19-DbgDeclare.ll
View File

@ -1,12 +1,17 @@
; RUN: llvm-as < %s | opt -verify -disable-output
; RUN: llvm-as < %s | opt -verify -S -asm-verbose | FileCheck %s
; CHECK: lang 0x8001
define void @Foo(i32 %a, i32 %b) {
entry:
call void @llvm.dbg.declare(metadata !{i32* null}, metadata !1)
ret void
}
!llvm.dbg.cu = !{!2}
!2 = metadata !{i32 786449, metadata !4, i32 32769, metadata !"clang version 3.3 ", i1 false, metadata !"", i32 0, metadata !3, metadata !3, metadata !3, metadata !3, metadata !""} ; [ 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) nounwind readnone