diff options
| author | Rafael Espindola <rafael.espindola@gmail.com> | 2013-11-19 21:12:39 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2013-11-19 21:12:39 +0000 |
| commit | 09d689f90c745119a320c0808d775d5c60aaaade (patch) | |
| tree | 7c7ac1b48cb13bc75a3f405eb2c60e3bb9c50771 /llvm/lib/IR/Value.cpp | |
| parent | 92045bc37c84ff6e4a819685879d062a57bc8b45 (diff) | |
| download | llvm-09d689f90c745119a320c0808d775d5c60aaaade.zip llvm-09d689f90c745119a320c0808d775d5c60aaaade.tar.gz llvm-09d689f90c745119a320c0808d775d5c60aaaade.tar.bz2 | |
Make it explicit that nulls are not allowed in names.
The object files we support use null terminated strings, so there is no way to
support these.
This patch adds an assert to catch bad API use and an error check in the .ll
parser.
llvm-svn: 195155
Diffstat (limited to 'llvm/lib/IR/Value.cpp')
| -rw-r--r-- | llvm/lib/IR/Value.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/IR/Value.cpp b/llvm/lib/IR/Value.cpp index 62a3b31..2c90383 100644 --- a/llvm/lib/IR/Value.cpp +++ b/llvm/lib/IR/Value.cpp @@ -182,6 +182,8 @@ void Value::setName(const Twine &NewName) { SmallString<256> NameData; StringRef NameRef = NewName.toStringRef(NameData); + assert(NameRef.find_first_of(0) == StringRef::npos && + "Null bytes are not allowed in names"); // Name isn't changing? if (getName() == NameRef) |