From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Sat, 8 Jan 2022 14:30:10 +0000 (+0000)
Subject: [DivergenceAnalysis] Simplify inRegion test based on whether the RegionLoop pointer... 
X-Git-Tag: upstream/15.0.7~21206
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=be7dbd674cb0cec2558e054c39be0eb098a99394;p=platform%2Fupstream%2Fllvm.git

[DivergenceAnalysis] Simplify inRegion test based on whether the RegionLoop pointer is null or not

More closely matches the documentation

Requested by @nikic
---

diff --git a/llvm/lib/Analysis/DivergenceAnalysis.cpp b/llvm/lib/Analysis/DivergenceAnalysis.cpp
index 3a92819..62ac6f69 100644
--- a/llvm/lib/Analysis/DivergenceAnalysis.cpp
+++ b/llvm/lib/Analysis/DivergenceAnalysis.cpp
@@ -130,8 +130,7 @@ bool DivergenceAnalysisImpl::inRegion(const Instruction &I) const {
 }
 
 bool DivergenceAnalysisImpl::inRegion(const BasicBlock &BB) const {
-  return (!RegionLoop && BB.getParent() == &F) ||
-         (RegionLoop && RegionLoop->contains(&BB));
+  return RegionLoop ? RegionLoop->contains(&BB) : (BB.getParent() == &F);
 }
 
 void DivergenceAnalysisImpl::pushUsers(const Value &V) {