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| author | Max Kazantsev <max.kazantsev@azul.com> | 2017-11-29 10:54:16 +0000 |
|---|---|---|
| committer | Max Kazantsev <max.kazantsev@azul.com> | 2017-11-29 10:54:16 +0000 |
| commit | dd9c0f58f9ff81181730d7184a63895eb9128d55 (patch) | |
| tree | 47a5f93b624031513f8635ffa2108f8f7796680c /lib/Analysis | |
| parent | 3aae870071d6d7b7ba570789ba76838362cbc25e (diff) | |
[SCEV][NFC] Break from loop after we found first non-Phi in getAddRecExprPHILiterally
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319306 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis')
| -rw-r--r-- | lib/Analysis/ScalarEvolutionExpander.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/Analysis/ScalarEvolutionExpander.cpp b/lib/Analysis/ScalarEvolutionExpander.cpp index ee0bc37e3dc..b2bdb5538e5 100644 --- a/lib/Analysis/ScalarEvolutionExpander.cpp +++ b/lib/Analysis/ScalarEvolutionExpander.cpp @@ -1143,7 +1143,11 @@ SCEVExpander::getAddRecExprPHILiterally(const SCEVAddRecExpr *Normalized, for (auto &I : *L->getHeader()) { auto *PN = dyn_cast<PHINode>(&I); - if (!PN || !SE.isSCEVable(PN->getType())) + // Found first non-phi, the rest of instructions are also not Phis. + if (!PN) + break; + + if (!SE.isSCEVable(PN->getType())) continue; const SCEVAddRecExpr *PhiSCEV = dyn_cast<SCEVAddRecExpr>(SE.getSCEV(PN)); |