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| author | DianQK <dianqk@dianqk.net> | 2024-06-27 06:49:40 +0800 |
|---|---|---|
| committer | DianQK <dianqk@dianqk.net> | 2024-06-27 06:49:40 +0800 |
| commit | c7adfb5e715334c9de176f434088bd9f89aa9eb3 (patch) | |
| tree | b80022a9adefdaa776fb50bb4a26bba43ba1b3e9 /llvm/lib/Transforms/Utils/SimplifyCFG.cpp | |
| parent | 3a462d89221a307c037a653bc9e0c9190f79c1b9 (diff) | |
| download | llvm-c7adfb5e715334c9de176f434088bd9f89aa9eb3.zip llvm-c7adfb5e715334c9de176f434088bd9f89aa9eb3.tar.gz llvm-c7adfb5e715334c9de176f434088bd9f89aa9eb3.tar.bz2 | |
Revert "[SimplifyCFG] Forward indirect switch condition value if it can help fold the PHI (#95932)"
This reverts commit 0c56fd0a29ffb0425ca2ee2a4ff8f380880fdbfa.
This is breaking https://lab.llvm.org/buildbot/#/builders/72/builds/483.
Diffstat (limited to 'llvm/lib/Transforms/Utils/SimplifyCFG.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/SimplifyCFG.cpp | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp index c52c4dc..4e2dc7f 100644 --- a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp +++ b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp @@ -5818,8 +5818,7 @@ static bool ForwardSwitchConditionToPHI(SwitchInst *SI) { for (auto &ForwardingNode : ForwardingNodes) { PHINode *Phi = ForwardingNode.first; SmallVectorImpl<int> &Indexes = ForwardingNode.second; - // Check if it helps to fold PHI. - if (Indexes.size() < 2 && !llvm::is_contained(Phi->incoming_values(), SI->getCondition())) + if (Indexes.size() < 2) continue; for (int Index : Indexes) |