[llvm] be7dbd6 - [DivergenceAnalysis] Simplify inRegion test based on whether the RegionLoop pointer is null or not

[Simon Pilgrim via llvm-commits]

Author: Simon Pilgrim
Date: 2022-01-08T14:30:10Z
New Revision: be7dbd674cb0cec2558e054c39be0eb098a99394

URL: https://github.com/llvm/llvm-project/commit/be7dbd674cb0cec2558e054c39be0eb098a99394
DIFF: https://github.com/llvm/llvm-project/commit/be7dbd674cb0cec2558e054c39be0eb098a99394.diff

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

More closely matches the documentation

Requested by @nikic

Added: 
    

Modified: 
    llvm/lib/Analysis/DivergenceAnalysis.cpp

Removed: 
    


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diff  --git a/llvm/lib/Analysis/DivergenceAnalysis.cpp b/llvm/lib/Analysis/DivergenceAnalysis.cpp
index 3a92819b1fc6..62ac6f693fe3 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) {