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| author | Andreas Jonson <andjo403@hotmail.com> | 2025-04-13 13:16:15 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-04-13 13:16:15 +0200 |
| commit | ed43207306f7351f2b4f8284710b028df973d74e (patch) | |
| tree | 6f959a8b52e1e890402be4af2f375d9484743675 /llvm/lib/Transforms/Utils/SimplifyCFG.cpp | |
| parent | 0f607f3df54e22896b484510f0c1ccfb718de67a (diff) | |
| download | llvm-ed43207306f7351f2b4f8284710b028df973d74e.zip llvm-ed43207306f7351f2b4f8284710b028df973d74e.tar.gz llvm-ed43207306f7351f2b4f8284710b028df973d74e.tar.bz2 | |
[SimplifyCFG] Handle trunc condition in foldBranchToCommonDest. (#135490)
proof: https://alive2.llvm.org/ce/z/v32Aof
Diffstat (limited to 'llvm/lib/Transforms/Utils/SimplifyCFG.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/SimplifyCFG.cpp | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp index eac7e7c..7f53aa7 100644 --- a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp +++ b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp @@ -4087,9 +4087,7 @@ bool llvm::foldBranchToCommonDest(BranchInst *BI, DomTreeUpdater *DTU, Instruction *Cond = dyn_cast<Instruction>(BI->getCondition()); - if (!Cond || - (!isa<CmpInst>(Cond) && !isa<BinaryOperator>(Cond) && - !isa<SelectInst>(Cond)) || + if (!Cond || !isa<CmpInst, BinaryOperator, SelectInst, TruncInst>(Cond) || Cond->getParent() != BB || !Cond->hasOneUse()) return false; |