[analyzer] Minor optimization: avoid setting state if unchanged
authorDominic Chen <d.c.ddcc@gmail.com>
Tue, 15 Nov 2016 01:40:58 +0000 (01:40 +0000)
committerDominic Chen <d.c.ddcc@gmail.com>
Tue, 15 Nov 2016 01:40:58 +0000 (01:40 +0000)
commite3733bc53e2b99e224a39d28fd7ddce994c56e5e
tree72b1c099275d1f04ef7952ad35cf18a0b1ad2c58
parent6f6e4dbd5dacf9ec1c43921bad76d5a3b3ab67b0
[analyzer] Minor optimization: avoid setting state if unchanged

Summary: Split out optimization from D26061

Reviewers: zaks.anna, dcoughlin

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D26642

llvm-svn: 286925
clang/lib/StaticAnalyzer/Core/RangeConstraintManager.cpp