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Add support for empty named metadata too. This isn't particularly 

useful, but it is nice for consistency.

llvm-svn: 108262
This commit is contained in:
Dan Gohman 2010-07-13 19:42:44 +00:00
parent b43455feaf
commit afd69cf5b7
2 changed files with 14 additions and 12 deletions
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25
llvm/lib/AsmParser/LLParser.cpp
View File

@ -544,20 +544,21 @@ bool LLParser::ParseNamedMetadata() {
return true;
SmallVector<MDNode *, 8> Elts;
do {
// Null is a special case since it is typeless.
if (EatIfPresent(lltok::kw_null)) {
Elts.push_back(0);
continue;
}
if (Lex.getKind() != lltok::rbrace)
do {
// Null is a special case since it is typeless.
if (EatIfPresent(lltok::kw_null)) {
Elts.push_back(0);
continue;
}
if (ParseToken(lltok::exclaim, "Expected '!' here"))
return true;
if (ParseToken(lltok::exclaim, "Expected '!' here"))
return true;
MDNode *N = 0;
if (ParseMDNodeID(N)) return true;
Elts.push_back(N);
} while (EatIfPresent(lltok::comma));
MDNode *N = 0;
if (ParseMDNodeID(N)) return true;
Elts.push_back(N);
} while (EatIfPresent(lltok::comma));
if (ParseToken(lltok::rbrace, "expected end of metadata node"))
return true;

1
llvm/test/Feature/metadata.ll
View File

@ -9,6 +9,7 @@ define void @foo() {
declare void @llvm.zonk(metadata, i64, metadata) nounwind readnone
!named = !{!0}
!another_named = !{}
!0 = metadata !{i8** null}
!1 = metadata !{i8* null, metadata !2}
!2 = metadata !{}