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| author | David Majnemer <david.majnemer@gmail.com> | 2014-11-19 19:36:18 +0000 |
|---|---|---|
| committer | David Majnemer <david.majnemer@gmail.com> | 2014-11-19 19:36:18 +0000 |
| commit | 3563938ee46c0d3f33436ec65a870c082e855f98 (patch) | |
| tree | 656e5f05649f69286010ce0425ab03b207714013 /llvm/lib/Analysis/AliasSetTracker.cpp | |
| parent | 1b657bfcc807a1c41fcf7309cdaca007b964b733 (diff) | |
| download | llvm-3563938ee46c0d3f33436ec65a870c082e855f98.zip llvm-3563938ee46c0d3f33436ec65a870c082e855f98.tar.gz llvm-3563938ee46c0d3f33436ec65a870c082e855f98.tar.bz2 | |
AliasSet: Simplify mergeSetIn
No functional change intended.
llvm-svn: 222376
Diffstat (limited to 'llvm/lib/Analysis/AliasSetTracker.cpp')
| -rw-r--r-- | llvm/lib/Analysis/AliasSetTracker.cpp | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/llvm/lib/Analysis/AliasSetTracker.cpp b/llvm/lib/Analysis/AliasSetTracker.cpp index 5b85f65..45442b0 100644 --- a/llvm/lib/Analysis/AliasSetTracker.cpp +++ b/llvm/lib/Analysis/AliasSetTracker.cpp @@ -55,16 +55,15 @@ void AliasSet::mergeSetIn(AliasSet &AS, AliasSetTracker &AST) { AliasTy = MayAlias; } - bool ASHadUnknownInsts = false; + bool ASHadUnknownInsts = !AS.UnknownInsts.empty(); if (UnknownInsts.empty()) { // Merge call sites... - if (!AS.UnknownInsts.empty()) { + if (ASHadUnknownInsts) { std::swap(UnknownInsts, AS.UnknownInsts); addRef(); } - } else if (!AS.UnknownInsts.empty()) { + } else if (ASHadUnknownInsts) { UnknownInsts.insert(UnknownInsts.end(), AS.UnknownInsts.begin(), AS.UnknownInsts.end()); AS.UnknownInsts.clear(); - ASHadUnknownInsts = true; } AS.Forward = this; // Forward across AS now... |