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36d60de9d6
getArgNo is actually hot in LLVM, because its how we check for
attributes on arguments:
bool Argument::hasNonNullAttr() const {
if (!getType()->isPointerTy()) return false;
if (getParent()->getAttributes().
hasAttribute(getArgNo()+1, Attribute::NonNull))
return true;
It actually shows up as the 23rd hottest leaf function in a 13s sample
of LTO of llc.
This grows Argument by four bytes, but I have another pending patch to
shrink it by removing its ilist_node base.
Reviewed By: chandlerc
Subscribers: inglorion, llvm-commits, mehdi_amini
Differential Revision: https://reviews.llvm.org/D31057
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298003 91177308-0d34-0410-b5e6-96231b3b80d8
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Low Level Virtual Machine (LLVM) ================================ This directory and its subdirectories contain source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments. LLVM is open source software. You may freely distribute it under the terms of the license agreement found in LICENSE.txt. Please see the documentation provided in docs/ for further assistance with LLVM, and in particular docs/GettingStarted.rst for getting started with LLVM and docs/README.txt for an overview of LLVM's documentation setup. If you are writing a package for LLVM, see docs/Packaging.rst for our suggestions.