diff options
| -rw-r--r-- | llvm/include/llvm/Transforms/IPO/Attributor.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/llvm/include/llvm/Transforms/IPO/Attributor.h b/llvm/include/llvm/Transforms/IPO/Attributor.h index 3a8e88bd20f..0b72394e8e9 100644 --- a/llvm/include/llvm/Transforms/IPO/Attributor.h +++ b/llvm/include/llvm/Transforms/IPO/Attributor.h @@ -179,9 +179,12 @@ struct Attributor { assert(AAType::ID != Attribute::None && "Cannot lookup generic abstract attributes!"); - // Determine the argument number automatically for llvm::Arguments. + // Determine the argument number automatically for llvm::Arguments if none + // is set. Do not override a given one as it could be a use of the argument + // in a call site. if (auto *Arg = dyn_cast<Argument>(&V)) - ArgNo = Arg->getArgNo(); + if (ArgNo == -1) + ArgNo = Arg->getArgNo(); // If a function was given together with an argument number, perform the // lookup for the actual argument instead. Don't do it for variadic |
