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| author | Florian Hahn <flo@fhahn.com> | 2024-11-17 19:31:53 +0000 |
|---|---|---|
| committer | Florian Hahn <flo@fhahn.com> | 2024-11-17 19:31:56 +0000 |
| commit | feb9b3701bf6650f91e12e7f4efbe72383f3f60b (patch) | |
| tree | 97c93b1bdca90a92b62e03882684ce9ff8fa73a3 /llvm/lib | |
| parent | ec950b206353cfc36fb0701f1a77cc18aa2d18aa (diff) | |
| download | llvm-feb9b3701bf6650f91e12e7f4efbe72383f3f60b.zip llvm-feb9b3701bf6650f91e12e7f4efbe72383f3f60b.tar.gz llvm-feb9b3701bf6650f91e12e7f4efbe72383f3f60b.tar.bz2 | |
[SCEV] Address post-commit comments for #113915.
Address post-commit comments for
https://github.com/llvm/llvm-project/pull/113915.
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Analysis/ScalarEvolution.cpp | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp index 5182285..46b1086 100644 --- a/llvm/lib/Analysis/ScalarEvolution.cpp +++ b/llvm/lib/Analysis/ScalarEvolution.cpp @@ -15274,17 +15274,17 @@ void ScalarEvolution::LoopGuards::collectFromPHI( if (Inserted) collectFromBlock(SE, G->second, Phi.getParent(), InBlock, VisitedBlocks, Depth + 1); - auto S = G->second.RewriteMap.find( - SE.getSCEV(Phi.getIncomingValue(IncomingIdx))); - if (S == G->second.RewriteMap.end()) + auto &RewriteMap = G->second.RewriteMap; + if (RewriteMap.empty()) + return {nullptr, scCouldNotCompute}; + auto S = RewriteMap.find(SE.getSCEV(Phi.getIncomingValue(IncomingIdx))); + if (S == RewriteMap.end()) return {nullptr, scCouldNotCompute}; auto *SM = dyn_cast_if_present<SCEVMinMaxExpr>(S->second); if (!SM) return {nullptr, scCouldNotCompute}; if (const SCEVConstant *C0 = dyn_cast<SCEVConstant>(SM->getOperand(0))) return {C0, SM->getSCEVType()}; - if (const SCEVConstant *C1 = dyn_cast<SCEVConstant>(SM->getOperand(1))) - return {C1, SM->getSCEVType()}; return {nullptr, scCouldNotCompute}; }; auto MergeMinMaxConst = [](MinMaxPattern P1, |