summaryrefslogtreecommitdiffstats
path: root/llvm/lib/AsmParser
diff options
context:
space:
mode:
authorDavid Majnemer <david.majnemer@gmail.com>2014-12-10 02:10:35 +0000
committerDavid Majnemer <david.majnemer@gmail.com>2014-12-10 02:10:35 +0000
commit6f3be2e155193c12f7da1d78a780f8644fd8b3f5 (patch)
tree085998b7f6264178b1e4d5e1a44d954080aa3ca4 /llvm/lib/AsmParser
parentff0f23dd417a79ae029206ff16a6d0c785b546cc (diff)
downloadbcm5719-llvm-6f3be2e155193c12f7da1d78a780f8644fd8b3f5.tar.gz
bcm5719-llvm-6f3be2e155193c12f7da1d78a780f8644fd8b3f5.zip
AsmParser: Don't allow null bytes in BB labels
Since Value objects can't have null bytes in their name, we shouldn't allow them in the labels of basic blocks. llvm-svn: 223907
Diffstat (limited to 'llvm/lib/AsmParser')
-rw-r--r--llvm/lib/AsmParser/LLLexer.cpp7
1 files changed, 6 insertions, 1 deletions
diff --git a/llvm/lib/AsmParser/LLLexer.cpp b/llvm/lib/AsmParser/LLLexer.cpp
index cd7f09b8933..ca3c9e8b6f8 100644
--- a/llvm/lib/AsmParser/LLLexer.cpp
+++ b/llvm/lib/AsmParser/LLLexer.cpp
@@ -393,7 +393,12 @@ lltok::Kind LLLexer::LexQuote() {
if (CurPtr[0] == ':') {
++CurPtr;
- kind = lltok::LabelStr;
+ if (StringRef(StrVal).find_first_of(0) != StringRef::npos) {
+ Error("Null bytes are not allowed in names");
+ kind = lltok::Error;
+ } else {
+ kind = lltok::LabelStr;
+ }
}
return kind;
OpenPOWER on IntegriCloud