diff options
Diffstat (limited to 'llvm/lib/IR/Value.cpp')
| -rw-r--r-- | llvm/lib/IR/Value.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/lib/IR/Value.cpp b/llvm/lib/IR/Value.cpp index 163c785f5d7..01b7aff0f15 100644 --- a/llvm/lib/IR/Value.cpp +++ b/llvm/lib/IR/Value.cpp @@ -39,6 +39,10 @@ using namespace llvm; +static cl::opt<unsigned> NonGlobalValueMaxNameSize( + "non-global-value-max-name-size", cl::Hidden, cl::init(1024), + cl::desc("Maximum size for the name of non-global values.")); + //===----------------------------------------------------------------------===// // Value Class //===----------------------------------------------------------------------===// @@ -244,6 +248,11 @@ void Value::setNameImpl(const Twine &NewName) { if (getName() == NameRef) return; + // Cap the size of non-GlobalValue names. + if (NameRef.size() > NonGlobalValueMaxNameSize && !isa<GlobalValue>(this)) + NameRef = + NameRef.substr(0, std::max(1u, (unsigned)NonGlobalValueMaxNameSize)); + assert(!getType()->isVoidTy() && "Cannot assign a name to void values!"); // Get the symbol table to update for this object. |
